Chapter 4-5 Math Test

Factors and Multiples

100

Which of these is a prime number, meaning it has no factors except for 1 and itself?

a. 6

c. 18

d.19

19

200

Which of the following is a composite number (meaning it is not prime?). 

a. 5

b. 8

c. 7

8

300

What are all the factors of 32?

1, 32, 2, 16, 8, 4

400

What is the Greatest Common Factor of 8 and 12?

4

500

What is the Least Common Multiple of 6 and 8?

24

Simplifying Fractions

100

12/18 = 

2/3

200

65/9 = 

7 2/9 

300

12 1/3 = 

37/3

400

45/4 = 

11 1/4

500

Which fractions are equal to 15/20? Pick all that apply (hint: simplify all fractions first). 

a. 9/12

b. 6/9

c. 12/16

d. 18/24

a, c, and d

Comparing & Ordering fractions

100

True or false: 5/8 is less than 1/2

False

200

True or false: 4/5 = 16/25

False

300

True or false: 5 3/8 = 5 6/16 

True

400

Which of the following is smallest: 6/5, 5/4, 13/10, 29/25

29/25

500

Order from greatest to least: 2 7/10, 2 4/5, 2 5/8

2 4/5, 2 7/10, 2 5/8

Adding Fractions and Mixed Numbers

100

3/8 + 3/8 = (simplify your answer!)

3/4

200

7/8 - 5/8 = (simplify your answer!)

1/4

300

7/12 + 3/4 = (simplify your answer!)

1 1/3

400

11/12 - 1/8 = (simplify your answer!)

19/24

500

3/4 + 3/10 + 1/5 = (simplify your answer!)

1 1/4

Subtracting with Regrouping

100

8 - 2 4/7

5 3/7

200

Estimate the sum: 6 2/9 + 2 1/4 = 

About 8

300

Tod lives 2 2/3 miles from school. Beth lives 4 miles from school. How much further from the school does Beth live than Tod?

1 1/3 miles

400

7 1/8 - 4 2/3

2 11/24

500

There are 15 1/3 yards of material on a bolt. If 4 3/4 yards are used, how much material is left on the bolt?

10 7/12