CC2 Chapter 3 Review

CC2 Chapter 3 Review

Multiple Choice

Solve. Make sure answer is in simpliest form

•  $\frac{5}{15}$  

•  $\frac{6}{25}$  

•  $\frac{3}{50}$  

•  $\frac{3}{25}$  

Multiple Choice

Find the product of 

 $\frac{7}{9}\cdot\frac{1}{2}$  in simplified form

•  $\frac{9}{14}$  

•  $\frac{7}{18}$  

•  $\frac{8}{11}$  

•  $\frac{7}{11}$  

Multiplying Mixed Numbers

Remember the triangle. Multiply the denominator with the whole number, than add the numerator. The demoninator does not change.

Multiple Choice

 $1\ \frac{1}{2}\times3\ \frac{2}{3}$  

•  $\frac{33}{6}$  

•  $4\ \frac{2}{6}$  

•  $3\ \frac{2}{6}$  

•  $\frac{2}{6}$  

Multiple Choice

 $\frac{5}{7}\times4$  

•  $\frac{5}{28}$  

•  $\frac{20}{28}$  

•  $\frac{20}{7}$  

•  $4\ \frac{5}{7}$  

Multiple Choice

Convert to an improper fraction.

• 8/5
• 11/5
• 11/2
• 2/5

Remember when multiplying fractions and decimals it can be useful to convert them.

• Let's practice your portion webs...

Remember how this works?

Fill in the Blank

Complete the portion web for 3/6.

Fill in the Blank

Complete portion web for 10/8

Multiplying Decimals

Remove the decimals and multiply, then add the place values to the final answer.

Check your answers- there are lots of places for errors!!!

You can also use the giant rectangle.

Add the answers in each box together to get your answer. DO NOT USE this method if it does not work for you!

Multiple Choice

0.3 x 0.5

• 0.15

• 1.5

• 15

• 150

Multiple Choice

5.2 X 4.6

• 2.392

• 23.92

• 24.25

• 2392

Multiple Choice

5.2 X 4.6

• 2.392

• 23.92

• 24.25

• 2392

Use + & - to solve expressions

Remember ++, --, +-. Show your work

Multiple Choice

Which expressions represents the 2-color counters shown in the image?

• -4 + 5

• 4 + (-5)

• -4 + (-5)

• -5 + 4

Multiple Choice

Which addition equation matches the problem modeled below? (Yellow is positive and Red is negative)

• -2 + -4 = -6

• 2 + -4 = -2

• 4 + 2 = 6

Positive and Negative Integers

Simplify the expressions. Remember Cici walking the tight rope. Up and down the number line.

Multiple Choice

14 - -2

• 16

• 12

• -12

• 28

Multiple Choice

-5 − (-7)

• -12

• 12

• 2

• -2

Multiple Choice

-5 − (-7)

• -12

• 12

• 2

• -2

Multiplying Integers

Remember your rules!

Multiple Choice

-24 ÷ (-8)

• 32
• -3
• -16
• 3

Multiple Choice

(-9)(-8)

• -72

• 72

• 81

• -81

Multiple Choice

(-9)(-8)

• -72

• 72

• 81

• -81

PEMDAS

Simplify the expressions. Go step by step, do NOT rush, you will make mistakes. Double check your work! Show your work!

Multiple Choice

Simplify: 50 - (35 - 10 ⋅ 2)

• 50

• 0

• 35

• -5

Multiple Choice

Simplify: 50 - (35 - 10 ⋅ 2)

• 50

• 0

• 35

• -5

Fill in the Blank

Simplify the expression

4(5+-2)+5(4)

Fill in the Blank

Simplify the expression

5(-4+-5)+4(-3)