Chapter 4: Number Theory and Fractions

Question 1

Which expression is NOT equivalent to the expression 38 -14

Accepted Answer

2 (19- 14)

Question 2

Compare 3/8____ 1/3

Accepted Answer

>

Question 3

What are the factors of 20?

Accepted Answer

1, 2, 4, 5, 10, 20

Question 4

Which gives 6x + 18 as a product of the GCF and a sum?

Accepted Answer

6(x+3)

Question 5

Find the GCF of 4 and 8

Accepted Answer

4

Question 6

What is the prime factorization of 60?

Accepted Answer

22 x 3 x 5

Question 7

Compare 5/12____ 7/12

Accepted Answer

<

Question 8

Compare 7/8____ 2/3

Accepted Answer

>

Question 9

Express 0.45 as a fraction in simplest form

Accepted Answer

9/20

Question 10

What gives 30 + 24 as a product of the GCF and a sum?

Accepted Answer

6(5+4)

Question 11

Write 2 1/10 as a decimal

Accepted Answer

2.1

Question 12

Write 0.7 as a fraction in simplest form

Accepted Answer

7/10

Question 13

Write 4¾ written as an improper fraction

Accepted Answer

19/4

Question 14

What is the GCF of 24 and 16?

Accepted Answer

8

Question 15

Which number is greatest?

Accepted Answer

8/9

Question 16

What is the GCF of 18 and 30?

Accepted Answer

6

Question 17

Write 12/7 as a mixed number

Accepted Answer

1 5/7

Question 18

Write 3.25 as a mixed number in simplest form

Accepted Answer

3 1/4

Question 19

Express 3¼ as a decimal

Accepted Answer

3.25

Question 20

Write ¾ as a decimal

Accepted Answer

0.75

Questions 20