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7th grade

7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

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Page 1: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

7th grade

Page 2: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

500

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400400 400 400 400

Writing Rules

Scale Factors

Vocabulary Terms

SF and Area

Similar Figures

200

Stretching & Shrinking

Page 3: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

If you apply a scale factor of 5

to a rectangle, the sides will be ____

times longer.

Scale Factors for $100

Click here to check your answer

Page 4: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

The sides will be 5 times

longer.

Back toJeopardy

Board

Scale Factors for $100

Page 5: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

Scale Factors for $200

If you apply a scale factor of 9 to a rectangle, the perimeter will

increase ____ times.Click here to check

your answer

Page 6: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

The perimeter increases 9

times.

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Board

Scale Factors for $200

Page 7: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

Two triangles are similar. One triangle has a side of

5 cm and the corresponding side on the other triangle is 10 cm. What is the scale factor from small to

large?

Scale Factors for $300

Click here to check your answer

Page 8: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

The scale factor is two.

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Scale Factors for $300

Page 9: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

Scale Factors for $400

The perimeter of one square is 36 in. The

perimeter of another square is 12 in. What is

the scale factor from the large to the small?

Click here to check your answer

Page 10: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

The scale factor is

or

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Board

31

30.

Scale Factors for $400

Page 11: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

There are two squares. One has a sides of length 8 mm. The other has sides

of length of 6 mm. What is the scale factor from small to large? (Give your

answer as a fraction in lowest terms.)

Scale Factors for $500

Click here to check your answer

Page 12: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

or

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Board

34

31

1

Scale Factors for $500

Page 13: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

Similar Figures for $100

Click here to check your answer

Are the two rules similar?

(x,y) and (2x,y+2)

Page 14: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

The rules are NOT similar.

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Board

Similar Figures for $100

Page 15: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

Are the two rules similar?

(2x,2y+4) and (12x, 12y+12)

Similar Figures for $200

Click here to check your answer

Page 16: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

The two rules ARE similar.

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Board

Similar Figures for $200

Page 17: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

Are the two triangles similar?

Similar Figures for $300

Click here to check your answer

10.5

6

7

4

Page 18: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

The figures are similar and the SF is 1.5.

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Board

Similar Figures for $300

Page 19: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

Are the rectangles

similar?

Similar Figures for $400

Click here to check your answer

3.516.2

10.5

5.4

Page 20: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

Back toJeopardy

Board

Similar Figures for $400

The figures are similar and

the SF is 3.

Page 21: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

Which are similar to a 4 by 6 rectangle?

Similar Figures for $500

Click here to check your answer

AB

C10

8

9

6

3

2

Page 22: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

A, yes - SF is 0.5

B, yes - SF is 1.5

C, no Back to

Jeopardy Board

Similar Figures for $500

Page 23: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

SF and Area for $100

Click here to check your answer

If the scale factor is 4, the

area of the image will be ___

times larger.

Page 24: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

Back toJeopardy

Board

The area of the image will be 16

times larger.

SF and Area for $100

Page 25: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

SF and Area for $200

Click here to check your answer

If the area of Triangle A is 5 in2 and the

scale factor from A to B is 3, what is the area of Triangle B?

Page 26: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

The area of triangle B is 45

in2.

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Board

SF and Area for $200

Page 27: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

SF and Area for $300

If the area of Rectangle A is 8 cm2 and the scale factor

from A to B is 2, what is the area of Rectangle B?Click here to check

your answer

Page 28: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

The area of Rectangle B is 32 cm2.

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Board

SF and Area for $300

Page 29: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

SF and Area for $400

If the scale factor is 1.5, the

area of the image will be ___

times larger. Click here to check

your answer

Page 30: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

The area will be 2.25 times

larger.

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Board

SF and Area for $400

Page 31: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

If the area of Rectangle A is 16 m2 and the scale factor

from B to A

is , what is the area of Rectangle B?

SF and Area for $500

Click here to check your answer

21

Page 32: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

The area of Rectangle B is 4

m2.

Back toJeopardy

Board

SF and Area for $500

Page 33: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

Define perimeter.

Vocabulary Terms for $100

Click here to check your answer

Page 34: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

The distance around a figure.

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Board

Vocabulary Terms for $100

Page 35: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

Vocabulary Terms for $200

Define area.

Click here to check your answer

Page 36: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

The amount of space inside a

figure.

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Board

Vocabulary Terms for $200

Page 37: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

Define scale factor.

Vocabulary Terms for $300

Click here to check your answer

Page 38: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

The scale factor tells how many times larger or

smaller the image is compared to the original figure.Back to

Jeopardy Board

Vocabulary Terms for $300

Page 39: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

Define corresponding.

Vocabulary Terms for $400

Click here to check your answer

Page 40: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

Corresponding angles or sides

are have the same position in similar figures.

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Vocabulary Terms for $400

Page 41: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

What three things make two figures

mathematically similar?

Vocabulary Terms for $500

Click here to check your answer

Page 42: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

1. Same general shape.

2. Same corresponding angles.

3. Side lengths are increased by the same factor.

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Board

Vocabulary Terms for $500

Page 43: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

Writing Rules for $100

Write a rule that will make the

sides of a figure three times

longer. Use (x,y) as the original

rule.Click here to check

your answer

Page 44: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

(3x, 3y)

Back toJeopardy

Board

Writing Rules for $100

Page 45: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

Writing Rules for $200

Click here to check your answer

Write a rule that will make the

figure twice as tall and six times as

wide. Use (x,y) as the original rule.

Page 46: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

(6x, 2y)

Back toJeopardy

Board

Writing Rules for $200

Page 47: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

Writing Rules for $300

Click here to check your answer

Write a rule that will move a figure to the right two

units. Use (x,y) as the original rule.

Page 48: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

(x + 2, y)

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Board

Writing Rules for $300

Page 49: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching
Page 50: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

Writing Rules for $400

Click here to check your answer

Write a rule that will make the sides of a

figure six times longer and moves the figure

up 2 units. Use (x,y) as the original rule.

Page 51: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

(6x, 6y + 2)

Back toJeopardy

Board

Writing Rules for $400

Page 52: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

Writing Rules for $500

Click here to check your answer

Write a rule that will increase the height two times, the width seven times, move to the left 4 units, and up 9 units.

Use (x,y) as the original rule.

Page 53: 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Writing Rules Scale Factors Vocabulary Terms SF and AreaSimilar Figures 200 Stretching

(7x - 4, 2y + 9)

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Writing Rules for $500