Unit Test Review

GCF & LCM

100

The GCF of 12 & 16 ?

_{The GCF is 4.}

200

What is the smallest multiple of both 6 and 14 that is also a multiple of 3?

₄₂ 

300

“The soccer team practices every 9 days, and the basketball team practices every 15 days. If both teams have practice on the same day, how many days will it be until they practice together again?"

It will be 45 days until they practice together again. 

400

If the LCM of two numbers is 60 and one number is 12, what could the other number be? List all possibilities.

The other number could be 5,10,15, or 20.

500

"Emily and Sarah are making gift bags for a party. Emily has 36 candies and Sarah has 48 candies. They want to put the same number of candies in each bag without any leftovers. What is the greatest number of bags they can each fill? 

They can each fill 12 bags. 

FDP

100

Convert 2/5 into a decimal. 

0.4

200

Convert the following percentages to decimals:

1. 64%
2. 7.25%
3. 125%
4. 0.09% 

1. 64% = 0.64

2. 7.25% = 0.0725

3. 125% = 1.25

4. 0.09% = 0.0009

300

Which equations are true ? Select all that apply. 

0.01=10%

0.125=12.5%

55%=0.55

0.6=6%

3.3=330%   

                                                                                                                                                      46%=0.046

0.125=12.5%, 55%=0.55, 3.3=330%

400

Using the FDP table turn 5/8 into a percentage.

|    F     |      D     |    P      |

5/8 —>  0.625 —>  62.5%

N/D —> X100 —> Percentage

500

convert 8/20 into a percentage, using equivalent fractions. 

8/20 —> 40/100 —> 40%

Rational Numbers

100

What is the opposite of - 2/9

2/9

200

Put this rational number in order from least to greatest - 5/8, 0.4, 1.2, - 9/4, 0.32

-9/4, -5/8, 0.32, 0.4, 1.2

300

Four hikers are at different elevations in a mountain range. The elevations are recorded as follows:

• Hiker A is at an elevation of −15 1/3
• Hiker B is at an elevation of −75.5
• Hiker C is at an elevation of −12 3/5
• Hiker D is at an elevation of - 8.3

Select all hiker that are greater than hiker A

Hiker C & Hiker D are greater then Hiker A 

400

Put this rational number in order from greatest to least - 2.6, -3 1/4, - 2 2/5, -3.4, -1.1

_{-1.1, —2 2/5, -2.6, - 3 1/4, -3.4}

500

Plot these points on a vertical number line 

4.2, -2 1/5, - 2.4, 3.3, -5 3/4

Show your paper 

Distributive Property

100

Rewrite the sum of 18 + 45 using distributive property. 

Possible answers 

3(6+15) or 9(2+5)

200

36 + 54 can as be expressed as which of the following ? 

A. 5(3+6)

B. 3(12+ 19) 

C. 9(4+6)

D. 8(4+7)

C. 

300

Find the greatest common factor of 22+34 and rewrite it using the distributive property.

GCF is 2. 

2(11+17)

400

Which of the following equations are correct? Select two that apply 

A. 6+12 = 2(2+6)

B. 18+27 = 9(2+3)

C. 15+30 = 5(3+5)

D. 28+14 = 7(4+2)

E. 16+4 = 4(5+1)

B & D

500

Rewrite the sum of 32 + 48 using the distributive property, where the terms inside the parentheses have no common factors orher than 1.

16(2+3) 

In order for the terms in the parentheses to only have a factor of 1 in common, use must use the GCF to rewrite. 

Dividing fractions

100

Solve and put in simplest form

3/5 ÷ 2/3

9/10

200

Solve and put in simplest form.

4/7 ÷ 2/5

1 3/7

300

Solve and put in simplest form

1 5/8 ÷ 2/6

4 7/8

400

A chef has 5/6 of a pound of cheese. If each sandwich requires 1/3 of a pound of cheese, how many sandwiches can the chef make?

_{He can make 2 1/2 sandwiches.} 

500

A recipe for a cake requires 3/4 cup of sugar. If you want to make 1/2 of the recipe, how much sugar do you need?

You’ll need 1 1/2 cups of sugar.