6th Staar Review

6th Math Staar Review

Integers

whole numbers and their opposites.

When ordering integers make sure that you line them up on the number line.

MULTIPLYING AND DIVIDING
negative x negative = positive
positive x negative = negative

ADDING AND SUBTRACTING
look at a number line or make your positives and negative signs and form zero pairs.

Multiple Choice

Which of the following expressions has the greatest value?

• -7+(-3)
• 11-(-5)
• -9+5
• 12-6

Multiple Choice

The high temperature Monday was 4 degrees. The low temperature was -7 degrees. What is the difference between the high and low temperatures?

• 3 degrees
• 12 degrees
• 11 degrees
• 10 degrees

Rational Numbers

Any number that can be written as a/b.  

CLASSIFYING RATIONAL NUMBERS
Pay attention to Venn Diagram

ORDERING RATIONAL NUMBERS
When ordering rational numbers, make all fractions into decimals and place them on a number line. 

Multiple Choice

Where would you place -6?

• In the whole number circle because it's a whole number, integer, and rational number.
• In the integer circle because it's an integer and rational number only.
• In the rational circle because it's only a rational number.
• I'm not sure because I don't know what rational means.

Multiple Choice

Does the graphic organizer correctly group the numbers?

• Yes
• No

Multiple Choice

Numbers like -3, -2, -1, 0, 1, 2, 3 are called

• whole numbers
• integers
• rational numbers
• natural numbers

Ratios and Percents

A ratio is written as a fraction .. Part/Whole or Part/Part

PREDICTING RATIOS

When you are setting up a ratio to predict an outcome you must cross multiply and divide to find your answer.

PERCENTS

Values out of 100

To find the percent of something set it equal to 100 to find your percent or TIBO your fraction.

Multiple Choice

• A

• B

• C

• D

Multiple Choice

• A

• B

• C

• D

Multiplying and Dividing Decimals

Multiplying

Ignore the decimals and place them back in the problem after you have worked it.

Dividing Decimals

Scoop the decimal if needed, and then shoot decimal straight up.

Adding and Subtracting Deciamals

LINE UP DECIMALS

Multiple Choice

0.6 x 0.91

• 0.546
• 0.9
• 9
• 5.460

Multiple Choice

2.07 ÷ 0.9

• .23
• 23
• 2.3

Rates

Unit rates are based on per 1 item.

In order to find the rate of something you must divide to get the answer for 1.

Multiple Choice

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound
• $5 per pound
• $35 per pound
• 0.125 pounds per dollar

Multiple Choice

8:9 is equivalent to 24: ____

• 36

• 27

• 16

PEMDAS

Make sure that you remember your order.

PLEASE EXCUSE MY DEAR AUNT SALLY

When a number is right next to a parentheses, means to multiply.

Multiple Choice

Evaluate

• A
• B
• C
• D

Converting Measurements

Make a T-Chart and Look at your mathematics chart.

Make sure that you look at your answer choices carefully.

Multiple Choice

Charlie has a box of 8 identical bags of peanuts. Each of the bags weigh 0.5 pounds. How many ounces does the 8 bags of peanuts weigh?

• .40 ounces

• 40 ounces

• 64 ounces

• 128 ounces

Prime Factoring

Use the factor tree to find all prime numbers and then write those numbers with exponents.

Multiple Choice

Find the prime factorization of 18

• 2 • 9

• 2² • 3

• 2 • 3²

• 3 • 6

Multiple Choice

Use a factor tree to find the prime factorization of 105

• 7x5x3

• 11x5x3

• 7x5x2x1

• 7x5x3x2

Solving Inequalities/Equations

We solve by doing the......

OPPOSITE OPERATION

> greater than. < less than. = equal to

We switch the sign when we are multiplying or dividing by a negative

***. PLUG IN THE VALUES TO DOUBLE CHECK

Multiple Choice

What inequality does the number line graph represent. 

• x < 2
• x > 2
• x ≥ 2
• x ≤ 2

Multiple Choice

When you graph an inequality, you used a closed dot when you use which symbols?

• ≤, ≥ 
• <, >

Multiple Choice

Match the graph with its inequality.

• 11 < a
• 11 > a
•  11 ≤ a
•  11 ≥ a

Multiple Choice

f/28 = 24

• 672

• 52

• 4

• -4

Multiple Choice

q - 17 = 18

• 1

• -1

• 35

• 25

Triangle Properties

Angles must equal 180 degrees

The two shortest sides of a triangle added together must be greater than the 3rd side.

Multiple Choice

Which side lengths would NOT form a triangle?

• {3,4,5}
• {2,5,9}
• {5,10,12}
• {7,9,11}

Multiple Choice

Find the measure of the indicated angle. 

• 95
• 85
• 35
• 45

Multiple Choice

In a triangle, how many total degrees are there?

• 100%
• 180 degrees
• it varies
• 360 degrees

Area and Volume

Parallelogram - bh

Triangle - 1/2 bh

Trapezoid - 1/2 (b1 + b2) h

Volume of a rectangular prism - Bh or lwh

B means the area of the base.

LOOK AT YOUR CHART AND PLUG IN

Multiple Choice

Find the area of the figure

• 30 cm²
• 44 cm²
• 88 cm²
• 22 cm²

Multiple Choice

Area

• 12 in sq
• 12 in
• 24 in sq
• 6 in sq

Multiple Choice

Find the area of a parallelogram with a base of 30 m and a height of 25 m

• 750 m²
• 375 m²
• 705 m²
• 110 m²

YOU WILL DO GREAT BECAUSE I KNOW YOU WILL WORK HARD!!!!