41
Assessment of Reading, Writing and Mathematics: Primary Division Released 2011 Assessment: Mathematics Item-Specific Rubric and Sample Student Responses with Annotations EQAO, 2 Carlton Street, Suite 1200, Toronto, ON M5B 2M9 • 1-888-327-7377 • Web site: www.eqao.com • © 2011 Queen’s Printer for Ontario

Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

  • Upload
    others

  • View
    2

  • Download
    0

Embed Size (px)

Citation preview

Page 1: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Assessment of Reading, Writing and Mathematics:

Primary Division

Released 2011 Assessment: Mathematics

Item-Specific Rubric and Sample

Student Responses with Annotations

EQAO, 2 Carlton Street, Suite 1200, Toronto, ON M5B 2M9 • 1-888-327-7377 • Web site: www.eqao.com • © 2011 Queen’s Printer for Ontario

Page 2: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 7

Code Descriptor

B Blank: nothing written or drawn in response to the question

I

Illegible: cannot be read; completely crossed out/erased; not written in English

Irrelevant content: does not attempt assigned question (e.g., comment on the task, drawings, “?”, “!”, “I don’t know”)

Off topic: no relationship of written work to the question

10

Application of knowledge and skills to count forward by 25’s to determine how far the frog travels shows limited effectiveness due to

misunderstanding of concepts

incorrect selection or misuse of procedures

20

Application of knowledge and skills to count forward by 25’s to determine how far the frog travels shows some effectiveness due to

partial understanding of the concepts

errors and/or omissions in the application of the procedures

30

Application of knowledge and skills to count forward by 25’s to determine how far the frog travels shows considerable effectiveness due to

an understanding of most of the concepts

minor errors and/or omissions in the application of the procedures

40

Application of knowledge and skills to count forward by 25’s to determine how far the frog travels shows a high degree of effectiveness due to

a thorough understanding of the concepts

an accurate application of the procedures (any minor errors and/or omissions do not detract from the demonstration of a thorough understanding)

Page 3: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 7

Code 10

Annotation: Student demonstrates a misuse of procedures; adds 25 and 6 to arrive at an incorrect answer of 31 cm.

Page 4: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 7

Code 20

Annotation: Student demonstrates errors in the application of the procedures; shows counting forward by 25’s four times instead of six times to arrive at an incorrect answer of 100 cm but answer matches work shown.

Page 5: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 7

Code 30

Annotation: Student demonstrates minor errors in the application of the procedures; shows addition of 25 six times but makes an error in their addition to arrive at an incorrect answer of 175 cm (answer includes an extra 25).

Page 6: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 7

Code 40

Annotation: Student demonstrates an accurate application of the procedures; starts at 25 and shows counting by 25 five more times to arrive at the correct answer of 150 cm.

Page 7: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 8

Code Descriptor

B Blank: nothing written or drawn in response to the question

I

Illegible: cannot be read; completely crossed out/erased; not written in English

Irrelevant content: does not attempt assigned question (e.g., comment on the task, drawings, “?”, “!”, “I don’t know”)

Off topic: no relationship of written work to the question

10

Problem-solving process to explain the relationships between different types of quadrilaterals shows limited effectiveness due to

minimal evidence of a solution process

limited identification of important elements of the problem

too much emphasis on unimportant elements of the problem

no conclusions presented

conclusion presented without supporting evidence

20

Problem-solving process to explain the relationships between different types of quadrilaterals shows some effectiveness due to

an incomplete solution process

identification of some of the important elements of the problem

some understanding of the relationships between important elements of the problem

simple conclusions with little supporting evidence

30

Problem-solving process to explain the relationships between different types of quadrilaterals shows considerable effectiveness due to

a solution process that is nearly complete

identification of most of the important elements of the problem

a considerable understanding of the relationships between important elements of the problem

appropriate conclusions with supporting evidence

40

Problem-solving process to explain the relationships between different types of quadrilaterals shows a high degree of effectiveness due to

a complete solution process

identification of all important elements of the problem

a thorough understanding of the relationships between all of the important elements of the problem

appropriate conclusions with thorough and insightful supporting evidence

Page 8: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 8

Code 10

Annotation: Student demonstrates limited identification of important elements of the problem; sorts shapes by whether or not they have slanted sides, rather than by properties of parallelograms.

Page 9: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 8

Code 20

Annotation: Student demonstrates an identification of some of the important elements of the problem; sorts 3 shapes correctly (A, D, C) and explanation includes some reference to opposite sides parallel (sides ran like a train track), but explanation does not match how shapes were sorted (Shape B has a pair of non parallel sides).

Page 10: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 8

Code 30

Annotation: Student demonstrates a considerable understanding of the relationships between important elements of the problem; sorts shapes correctly and explanation includes the property of parallel sides but does not include the property of 4 sides which excludes Shape C as a parallelogram.

Page 11: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 8

Code 40

Annotation: Student demonstrates a thorough understanding of the relationships between all of the important elements of the problem; sorts shapes correctly and explanation includes the properties of 4 sides and parallel opposite sides (never meets).

Page 12: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 9

Code Descriptor

B Blank: nothing written or drawn in response to the question

I

Illegible: cannot be read; completely crossed out/erased; not written in English

Irrelevant content: does not attempt assigned question (e.g., comment on the task, drawings, “?”, “!”, “I don’t know”)

Off topic: no relationship of written work to the question

10

Application of knowledge and skills to describe the shortest path on a grid that Colton can take shows limited effectiveness due to

misunderstanding of concepts

incorrect selection or misuse of procedures

20

Application of knowledge and skills to describe the shortest path on a grid that Colton can take shows some effectiveness due to

partial understanding of the concepts

errors and/or omissions in the application of the procedures

30

Application of knowledge and skills to describe the shortest path on a grid that Colton can take shows considerable effectiveness due to

an understanding of most of the concepts

minor errors and/or omissions in the application of the procedures

40

Application of knowledge and skills to describe the shortest path on a grid that Colton can take shows a high degree of effectiveness due to

a thorough understanding of the concepts

an accurate application of the procedures (any minor errors and/or omissions do not detract from the demonstration of a thorough understanding)

Page 13: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 9

Code 10

Annotation: Student demonstrates a misunderstanding of concepts; draws path using diagonal lines instead of drawing path on grid lines.

Page 14: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 9

Code 20

Annotation: Student demonstrates errors in the application of the procedures; draws shortest path correctly but has errors in direction (mixes up left and right) and number of units required (left 5 instead of 4).

Page 15: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 9

Code 30

Annotation: Student demonstrates minor errors in the application of the procedures; draws shortest path correctly but description has errors in either number of units required or direction (right 5 instead of 4 and left 4 instead of 3).

Page 16: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 9

Code 40

Annotation: Student demonstrates an accurate application of the procedures; draws shortest path correctly and description matches path drawn.

Page 17: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 10

Code Descriptor

B Blank: nothing written or drawn in response to the question

I

Illegible: cannot be read; completely crossed out/erased; not written in English

Irrelevant content: does not attempt assigned question (e.g., comment on the task, drawings, “?”, “!”, “I don’t know”)

Off topic: no relationship of written work to the question

10

Problem-solving process to add and subtract three-digit numbers shows limited effectiveness due to

minimal evidence of a solution process

limited identification of important elements of the problem

too much emphasis on unimportant elements of the problem

no conclusions presented

conclusion presented without supporting evidence

20

Problem-solving process to add and subtract three-digit numbers shows some effectiveness due to

an incomplete solution process

identification of some of the important elements of the problem

some understanding of the relationships between important elements of the problem

simple conclusions with little supporting evidence

30

Problem-solving process to add and subtract three-digit numbers shows considerable effectiveness due to

a solution process that is nearly complete

identification of most of the important elements of the problem

a considerable understanding of the relationships between important elements of the problem

appropriate conclusions with supporting evidence

40

Problem-solving process to add and subtract three-digit numbers shows a high degree of effectiveness due to

a complete solution process

identification of all important elements of the problem

a thorough understanding of the relationships between all of the important elements of the problem

appropriate conclusions with thorough and insightful supporting evidence

Page 18: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 10

Code 10

Annotation: Student demonstrates limited identification of important elements of the problem; adds the 3 numbers from the question to arrive at an incorrect answer of 912.

Page 19: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 10

Code 20

Annotation: Student demonstrates identification of some of the important elements of the problem; correctly totals the number of seeds for Monday and Wednesday but does not determine the difference between this total and the total number of seeds Ratna collects.

Page 20: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 10

Code 30

Annotation: Student demonstrates a considerable understanding of the relationships between important elements of the problem; correctly totals the number of seeds for Monday and Wednesday and attempts to arrive at the total number of seeds Ratna collects by subtracting this total from 534 but makes an error to arrive at an incorrect answer.

Page 21: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 10

Code 40

Annotation: Student demonstrates a complete solution process; correctly totals the number of seeds for Monday and Wednesday and subtracts this total from 534 to arrive at the correct answer.

Page 22: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 26

Code Descriptor

B Blank: nothing written or drawn in response to the question

I

Illegible: cannot be read; completely crossed out/erased; not written in English

Irrelevant content: does not attempt assigned question (e.g., comment on the task, drawings, “?”, “!”, “I don’t know”)

Off topic: no relationship of written work to the question

10

Problem-solving process to compare 2 gardens by area shows limited effectiveness due to

minimal evidence of a solution process

limited identification of important elements of the problem

too much emphasis on unimportant elements of the problem

no conclusions presented

conclusion presented without supporting evidence

20

Problem-solving process to compare 2 gardens by area shows some effectiveness due to

an incomplete solution process

identification of some of the important elements of the problem

some understanding of the relationships between important elements of the problem

simple conclusions with little supporting evidence

30

Problem-solving process to compare 2 gardens by area shows considerable effectiveness due to

a solution process that is nearly complete

identification of most of the important elements of the problem

a considerable understanding of the relationships between important elements of the problem

appropriate conclusions with supporting evidence

40

Problem-solving process to compare 2 gardens by area shows a high degree of effectiveness due to

a complete solution process

identification of all important elements of the problem

a thorough understanding of the relationships between all of the important elements of the problem

appropriate conclusions with thorough and insightful supporting evidence

Page 23: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 26

Code 10

Annotation: Student demonstrates a conclusion presented without supporting evidence; gives a conclusion of 5 cm squared but provides no evidence of how they arrived at incorrect conclusion.

Page 24: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 26

Code 20

Annotation: Student demonstrates some understanding of the relationships between important elements of the problem; determines incorrect totals for both gardens but does provide difference between totals that were given.

Page 25: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 26

Code 30

Annotation: Student demonstrates a considerable understanding of the relationships between important elements of the problem; provides correct area for Garden 2 but makes an error in determining area for Garden 1, however, the difference in area between the two gardens is correct based on their areas.

Page 26: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 26

Code 40

Annotation: Student demonstrates a thorough understanding of the relationships between all of the important elements of the problem; provides correct areas for both Garden 1 and Garden 2 and states the difference in area between the two gardens.

Page 27: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 27

Code Descriptor

B Blank: nothing written or drawn in response to the question

I

Illegible: cannot be read; completely crossed out/erased; not written in English

Irrelevant content: does not attempt assigned question (e.g., comment on the task, drawings, “?”, “!”, “I don’t know”)

Off topic: no relationship of written work to the question

10

Application of knowledge and skills to demonstrate an understanding of fairness in a game shows limited effectiveness due to

misunderstanding of concepts

incorrect selection or misuse of procedures

20

Application of knowledge and skills to demonstrate an understanding of fairness in a game shows some effectiveness due to

partial understanding of the concepts

errors and/or omissions in the application of the procedures

30

Application of knowledge and skills to demonstrate an understanding of fairness in a game shows considerable effectiveness due to

an understanding of most of the concepts

minor errors and/or omissions in the application of the procedures

40

Application of knowledge and skills to demonstrate an understanding of fairness in a game shows a high degree of effectiveness due to

a thorough understanding of the concepts

an accurate application of the procedures (any minor errors and/or omissions do not detract from the demonstration of a thorough understanding)

Page 28: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 27

Code 10

Annotation: Student demonstrates a misunderstanding of concepts; incorrectly concludes Spinner 1 and justification is based on the size of the spinners.

Page 29: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 27

Code 20

Annotation: Student demonstrates a partial understanding of the concepts; correctly concludes Spinner 2 and identifies that the letters are in a pattern but does not explain how the pattern relates to the spinner giving Rick and Bella equal chances of winning.

Page 30: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 27

Code 30

Annotation: Student demonstrates an understanding of most of the concepts; correctly concludes Spinner 2 with justification that relates equal chance to the same number of each letter but does not give totals for R’s and B’s.

Page 31: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 27

Code 40

Annotation: Student demonstrates an accurate application of the procedures; correctly concludes Spinner 2 with justification that relates an equal number of each letter (5) to equal chances of winning.

Page 32: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 28

Code Descriptor

B Blank: nothing written or drawn in response to the question

I

Illegible: cannot be read; completely crossed out/erased; not written in English

Irrelevant content: does not attempt assigned question (e.g., comment on the task, drawings, “?”, “!”, “I don’t know”)

Off topic: no relationship of written work to the question

10

Application of knowledge and skills to use a pattern to solve for the number of weeks it takes for Yari to get 83 marbles shows limited effectiveness due to

misunderstanding of concepts

incorrect selection or misuse of procedures

20

Application of knowledge and skills to use a pattern to solve for the number of weeks it takes for Yari to get 83 marbles shows some effectiveness due to

partial understanding of the concepts

errors and/or omissions in the application of the procedures

30

Application of knowledge and skills to use a pattern to solve for the number of weeks it takes for Yari to get 83 marbles shows considerable effectiveness due to

an understanding of most of the concepts

minor errors and/or omissions in the application of the procedures

40

Application of knowledge and skills to use a pattern to solve for the number of weeks it takes for Yari to get 83 marbles shows a high degree of effectiveness due to

a thorough understanding of the concepts

an accurate application of the procedures (any minor errors and/or omissions do not detract from the demonstration of a thorough understanding)

Page 33: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 28

Code 10

Annotation: Student demonstrates a misunderstanding of concepts; adds 83 and 27, instead of beginning with 27 and repeatedly adding 8 until a total of 83 is reached.

Page 34: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 28

Code 20

Annotation: Student demonstrates errors in the application of the procedures; correctly starts at 27 but adds 8 eight times and the equation shown does not add up to 83.

Page 35: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 28

Code 30

Annotation: Student demonstrates a minor error in the application of the procedures; correctly shows all the numbers needed to reach 83 marbles but interprets this incorrectly and states extra week in the answer.

Page 36: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 28

Code 40

Annotation: Student demonstrates an accurate application of the procedures; shows all of the numbers needed to reach 83 marbles and interprets this work to state the correct number of weeks.

Page 37: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 29

Code Descriptor

B Blank: nothing written or drawn in response to the question

I

Illegible: cannot be read; completely crossed out/erased; not written in English

Irrelevant content: does not attempt assigned question (e.g., comment on the task, drawings, “?”, “!”, “I don’t know”)

Off topic: no relationship of written work to the question

10

Problem-solving process to read and describe data presented in graphs shows limited effectiveness due to

minimal evidence of a solution process

limited identification of important elements of the problem

too much emphasis on unimportant elements of the problem

no conclusions presented

conclusion presented without supporting evidence

20

Problem-solving process to read and describe data presented in graphs shows some effectiveness due to

an incomplete solution process

identification of some of the important elements of the problem

some understanding of the relationships between important elements of the problem

simple conclusions with little supporting evidence

30

Problem-solving process to read and describe data presented in graphs shows considerable effectiveness due to

a solution process that is nearly complete

identification of most of the important elements of the problem

a considerable understanding of the relationships between important elements of the problem

appropriate conclusions with supporting evidence

40

Problem-solving process to read and describe data presented in graphs shows a high degree of effectiveness due to

a complete solution process

identification of all important elements of the problem

a thorough understanding of the relationships between all of the important elements of the problem

appropriate conclusions with thorough and insightful supporting evidence

Page 38: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 29

Code 10

Annotation: Student demonstrates too much emphasis on unimportant elements of the problem; extends the scale correctly but incorrect answer is based on extending a pattern (number of lines between Bar B and Bar C) with no evidence of reading the numbers for Groups B or C.

Page 39: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 29

Code 20

Annotation: Student demonstrates some understanding of the relationships between important elements of the problem; extends the scale correctly, reads numbers for Groups B and C from the graph, calculates total, determines incorrect answer for Group A with no evidence of how 22 was determined and draws corresponding bar.

Page 40: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 29

Code 30

Annotation: Student demonstrates a considerable understanding of the relationships between important elements of the problem; extends the scale correctly, reads numbers for Groups B and C from the graph, calculates total, determines incorrect answer of 28 for Group A and draws corresponding bar based on their subtraction error.

Page 41: Released 2011 Assessment: Mathematics · Scoring Guide for Primary Mathematics Open-Response Question 8 Code 20 Annotation: Student demonstrates an identification of some of the important

Scoring Guide for Primary Mathematics Open-Response Question 29

Code 40

Annotation: Student demonstrates a complete solution process; extends the scale correctly, reads numbers for Groups B and C from the graph, calculates total, determines correct answer for Group A and draws corresponding bar accurately on the graph.