Free Printable GCF and Simplifying Fractions

1.

What is the GCF of 4 and 8?

a)

1

b)

2

c)

4

d)

8

2.

What is the GCF of 3 and 6?

a)

1

b)

2

c)

3

d)

6

3.

What is the GCF of 4 and 6?

a)

1

b)

2

c)

4

d)

6

4.

What is the GCF of 6 and 10?

a)

1

b)

2

c)

3

d)

5

5.

What is the GCF of 6 and 18?

a)

1

b)

3

c)

6

d)

9

6.

What is the GCF of 5 and 6?

a)

1

b)

2

c)

5

d)

6

7.

What is the GCF of 6 and 12?

a)

2

b)

4

c)

6

d)

8

8.

What is the GCF of 12 and 15?

a)

2

b)

3

c)

5

d)

6

9.

What is the GCF of 10 and 15?

a)

1

b)

2

c)

5

d)

10

10.

What is the GCF of 7 and 11?

a)

1

b)

2

c)

7

d)

11

11.

What is the GCF of 7 and 14?

a)

1

b)

7

c)

14

d)

21

12.

What is the GCF of 2 and 24?

a)

1

b)

2

c)

12

d)

6

13.

Is 7 even or odd?

a)

even

b)

odd

14.

Is 18 even or odd?

a)

even

b)

odd

15.

True or False

Even numbers can divide by 2

a)

True

b)

False

16.

True or False

All odd numbers divide by 3

a)

True

b)

False

17.

True or False

Any number that has 2 and 3 as factors ALSO has 6 as a factor

a)

True

b)

False

18.

What are the factors of 2?

a)

1 and 2

b)

2,4,6,8,10

19.

What are the factors of 8?

a)

1,2,4,8

b)

1 and 8

c)

1 and 4

d)

1,2,3,4,5,6,7,8

20.

What are the factors of 24?

a)

1,2,3,4,6,8,12,24

b)

1,24

c)

1,2,12,24

d)

1,11,13,14,15,24

21.

Simplify

$\frac{2}{4}$

a)

$\frac{1}{2}$

b)

$\frac{4}{8}$

c)

$\frac{2}{4}$

d)

$\frac{1}{4}$

22.

Simplify

$\frac{4}{6}$

a)

$\frac{1}{2}$

b)

$\frac{2}{3}$

c)

$\frac{2}{4}$

d)

$\frac{1}{6}$

23.

A factor is a number that divides nicely into another number.

a)

True

b)

False

24.

True or False

If you divide by a number and the result has a decimal, that is still a factor of the number

a)

True

b)

False

25.

25/3=8.333, therefore, 3 is a factor of 25

a)

True

b)

False

26.

2688/2=1344, therefore, 2 is a factor of 2688

a)

True

b)

False

27.

Simplify 6/12

a)

1/2

b)

1/6

c)

3/6

d)

1/12

28.

What is 1/4+1/4 simplified?

a)

2/4

b)

1/2

c)

2/8

d)

Fish

29.

What is 1/3+1/3 simplified?

a)

2/3

b)

2/6

c)

1/6

d)

6/3

30.

What is 3/8+5/8 simplified?

a)

8/16

b)

8/8

c)

1

d)

12/14

GCF and Simplifying Fractions

Total questions: 30

Worksheet time: 3600secs

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