Upload
sheryl-joseph
View
214
Download
1
Embed Size (px)
Citation preview
Greetings!!!
Hello everybody! I am Ms. Signorello and in today’s lesson we will work on some math skills, vocabulary, sentence completions, and take a brief look at the essay.
Lesson 1 Mathematics
Number and Operations Review
Properties of Integers Arithmetic Word ProblemsNumber Lines
Squares and Square Roots
Properties of Integers
Integers - the set of numbers that consists of positive and negative whole numbers.
Positive integers: 1, 2, 3, ….Negative integers: …-3, -2, -1Zero (0) is neither negative nor positive
Odd and Even Integers, Consecutive Integers, and
Adding Integers
Odd integers: {…, -5, -3, -1, 1, 3, 5, …}
Even integers: {…, -6, -4, -2, 2, 4, 6,…}
Consecutive integers: -3, -2, -1, 0, 1, 2
Adding integers: even + even = even,
odd + odd = even,
odd + even = odd
Multiplying Integers
Multiplying integers: even x even = even, odd x odd = oddEven x odd = evenMultiplying or dividing by 1 doesn’t change the value of a number.
Arithmetic Word Problems
Ms. Foster is making bags of party treats. If she puts 5 treats in each bag, she will make 30 bags of treats and have none left over. If instead she puts 15 treats in each bag, how many bags of treats can she make?solution
Example 2Jorge bought 10 pencils from the store. He gave the cashier a ten-dollar bill and got back $0.75 in change. Jorge saw that he had gotten too much change, and he gave $0.25 back to the cashier. What was the price of each pencil?Solution
Number Lines A B C D E F G
On the number line above, the ratio of AC to AG is equal to the ratio of CD to which of the following?
(A) AD
(B)BD
(C)CG
(D)DF
(E) EG Solution
0 1 2 3 4 5 67
Solution
First, determine the lengths for each segment.AC = 2AG = 6CD = 1
2
6
1
x
A B C D E F G
0 1 2 3 4 5 67
Solving the proportion
Cross multiply:so 2x = 6,
divide both sides by 2, x = 3
2
6
1
x
2x 1 6
2x
2
6
2
AC
AG
CD
x
Answer
(A)AD measure is 3
(B)BD measure is 2
(C)CG measure is 4
(D)DF measure is 1
(E)EG measure is 2
Working with perfect squares
It is very important to know all the perfect squares for all integers from -12 through 12. Knowing these will help you solve problems involving factoring, simplifying expressions, solving equations, using the Pythagorean Theorem, and applications involving area.
More…
Knowing these will help you solve problems involving factoring, simplifying expressions, solving equations, using the Pythagorean Theorem, and applications involving area
Squares and Square Rootsx 1 2 3 4 5 6 7 8 9 10 11 12
x2 1 4 9 16 25 36 49 64 81 100
121
144
x -1 -2 -3 -4 -5 -6 -7 -8 -9 -10 -11 -12
x2 1 4 9 16 25 36 49 64 81 100
121
144
Fractions and Rational Numbers
It is necessary to know the basic operations with fractions. You must be able to add, subtract, multiply and divide fractions.
More……..
Also, knowing how to reduce fractions to lowest terms, find a common denominator, be able to alternate between mixed numbers and improper fractions and work with a complex fraction is very important.
Adding and Subtracting Fractions
You MUST find a common denominator first, then carry out the addition or subtraction using only the numerator. The denominator remains the same.
Adding Fractions
3
7
2
9
To add fractions you need to find a common denominator. In this problem the common denominator is 63.
Getting a common denominatorFor the denominator to equal 63, the first fraction needs to be multiplied, top and bottom by 9. In the second fraction you will multiply top and bottom by 7.
3 9
7 9
2 7
9 7
Step by step
9 times 3 is 27 and 2 times 7 is 14.
27
63
14
63
27 14
63 add 27 and 14.
27 +14 = 41
41
63 is the answer. Reduce fraction if possible.
Subtracting Fractions
3
4
2
3
9
12
8
12
9 8
12
1
12
Subtracting fractions works exactly the same as adding them.
Squaring Fractions
One way:
2
5
2
2
5
2
5
4
25Remember - when you are “squaring numbers” it means you are multiplying the number by itself! To multiply fractions, remember, top times top and bottom times bottom.
Math Wrap Up
Today we explored some basic concepts in mathematics. There will be many more topics in future lessons.
Next…..Vocabulary
To do well on the critical reading portion of the SAT, it is vital for students to have a broad vocabulary. 10 new vocabulary words will be in each lesson during this course.
Word - Definition Using it in a Sentence
For each vocabulary word, we will explore the word’s meaning and how it is used in a sentence.
Vocabulary List 1
ambiguous- vague, more than one interpretation
assertion- a statement or declarationdisdain – contempt; scornexcerpt- a selected portion of a passagefrank- to the point, candid,
straightforwardfrenetic- very active or wildly excited
Vocabulary continued….
incumbent- obligatory; necessary as a result of duty
medieval- old-fashioned, belonging to the Middle Ages
nocturnal- occurring at night; describes animals that are active at night
phenomenon- an observable event that is unusual; out of the ordinary and excites people’s interest
ambiguous- vague, more than one interpretation
The concluding paragraph in the student’s essay was quite ambiguous; it left the reader confused.
assertion- a statement or declaration
The politician made his final assertion regarding the city’s budget proposal.
disdain – contempt; scorn
Mark had a look of disdain on his face as he was being reprimanded.
QuickTime™ and a decompressor
are needed to see this picture.
excerpt- a selected portion of a passage
The teacher instructed her students to read an excerpt from Anne Frank’s Diary.
frank- to the point, candid, straightforward
To be perfectly frank, your performance on the job has been below average.
frenetic- very active or wildly excited
Carla and Jose celebrated raised the 1st place trophy at a frenetic pace.
QuickTime™ and a decompressor
are needed to see this picture.
incumbent- obligatory; necessary as a result of duty
It is therefore incumbent upon us to do all we can to educate the world on the importance of recycling.
medieval- old-fashioned, belonging to the Middle Ages
The costumes for the show, “The Knight’s Rise”, were medieval.
QuickTime™ and a decompressor
are needed to see this picture.
nocturnal- occurring at night; describes animals that are active at night
Raccoons are considered to be nocturnal.
QuickTime™ and a decompressor
are needed to see this picture.
phenomenon- an observable event that is unusual; out of the ordinary and
excites people’s interest
The creation of lightning during a storm is a phenomenon that is still not completely understood.
QuickTime™ and a decompressor
are needed to see this picture.QuickTime™ and a
decompressorare needed to see this picture.
Using vocabulary to get the right answer on Sentence
Completions As your vocabulary is strengthened, you will utilize that knowledge to find the correct answer in the Sentence Completion portion of the Critical Reading Sections.
Sentence Completions
Sentence completions are at the beginning of every critical reading section.
You can expect between 5 and 8 questions of this type.
Sentence Completions continued…
The level of difficulty is in order from easiest to most difficult.
You can expect the first 1/3 of the questions to be easy, the middle 1/3 to be medium, and the last 1/3 to be the hardest questions.
Sentence Completions continued…
There are 2 types of sentence completions. They are:
vocabulary in context and
logic based
Vocabulary in Context
A vocabulary in context question is testing you on your knowledge of a words definition.
Logic-based VocabularyTo answer these questions you
will need to use clues in the sentence to determine the correct answer. You will look for key words which indicate the direction a sentence is going in. Will the end of the sentence change direction or will it remain the same?
Sentence Completions continued…
We will explore those key words as we work through example questions.
The Technique
Sentence completions may have one or two blanks that need to be filled in with the correct word or words. The basic strategy is the same for both types.
- Sentence Completions - One Blank
The most important part to finding success on sentence completions is NOT to be mislead by the answer choices. So we don’t look at them!!! Cover them with a sheet of paper or your hand.
Sentence Completions - One Blank
Carefully read the sentence provided, then using your own vocabulary, pick a word that makes sense in the blank. Compare your word to those in the answer choices. When you find a match, you’ve found the correct answer.
ExampleWhen the earthquake began, the
ground shook violently causing people to scream in terror. .
a.slowlyb.graduallyc.violentlyd.quietlye.mildly
ExampleThe store clerk has a personality; her smile and herkindness was evident immediately.
a.boringb.unfriendlyc.austered.magnificente.ample
Example
Many-layered mapmaking is helping scholars recreate vanished landscapes and envision history.
a.alienatedb.brittlec.triviald.tenuouse.vanished
2 Blanks are just as easy!
Always start by covering the answer choices. You don’t want them to influence you!
Read the sentence and pick 1 of the blanks to start with.
Pick your OWN word for that blank and begin eliminating answer choices.
Two blanks continued
Eliminate (cross out) any answer choice that doesn’t have the word that matches yours.
Now pick your own word for the second blank
Two blanks continued
From the remaining answer choices (the ones you haven’t crossed out), match your word to the ones that are left.
Example
After all her effort, the artist was ________ to learn that her drawing had been ________ for publication.
a) elated...disallowedb) dismayed...approvedc) troubled...recommendedd) enthralled...refusede) distraught...rejected
ExampleBy using public records and
databases, investigators found evidence to arrest the criminal.
a) journalists...huntersb) abolitionists...protestorsc) activists...offenderd) researchers...incumbente) investigators... criminal
Example
The coach praised and ------- her athletes.
a) reprimanded...cheeredb) praised...applaudedc) worked...denouncedd) encouraged...chastisede) lectured...rejected
Wrap-up
Sentence completions are easy IF you have a strong vocabulary. Work on your vocabulary every day!!!
We will do more examples in the lessons ahead.
The Essay - A Brief Introduction
The very first section on the SAT is always the essay. Students are required to write an original, first draft piece of work under a time constraint.
As long as you know how to approach the essay, you will find it easy to write.
Structure
Your essay MUST include the following:
•An introductory paragraph
•2-3 paragraphs that make up the body
•A concluding paragraph
Time Allotment
Students are allowed 25 minutes to write their essay.
The first 3 minutes are spent thinking of the examples you will use to support your position.
The next 16-20 minutes are spent writing the essay. The final minutes are spent on the conclusion.
More to Come
In future lessons we will discuss reading the prompt, choosing a side, and how you determine what you will write.
Practice
Using the following link, practice, practice, practice!
Sentence Completions PracticeInteger Practice
Don’t forget to study your 10 vocabulary words!
The End of Lesson 1
This is the end of lesson 1. Remember to do the practice problems that I’ve assigned!
Until next time, have a fabulous day!
References
http://www.centurynovelty.com detail_356_146-414.ht
ml?reasonAdded=Item_List
http://www.nytimes.com/pages/technology/index.html
http://www.majortests.com/sat/sentence-completion-te
st01
http://amby.com/educate/math/integ_x1.html
http://creativecommons.org/licenses/by-nc-sa/3.0/
Images are from Microsoft Office