Factors
Common Denominators
Adding
Subtracting
Fun Fact
100

What are the first 9 factors of 2?

2, 4, 6, 8, 10, 12, 14, 16, 18

100

What is the lowest common denominator of

3/10 and 5/6

30

100

Add the following two numbers

1/7 + 2/5

19/35

100

Subtract the following two numbers

1/2 - 1/5

3/5

100

True or False

Elephants can jump?

False

200

What are the first 9 factors of 3?

3, 6, 9, 12, 15, 18, 21, 24, 27

200

What is the lowest common denominator of 

2/3 and 1/7

21

200

Add the following two numbers

1/2 + 7/12

13/12

200

Subtract the following two numbers

3/4 - 2/5

7/20

200

True or False

Flamingos are born with light pink feathers?

False, they are born with grey feathers.

300

What are the first 9 factors of 4?

4, 8, 12, 16, 20, 24, 28, 32, 36

300

What is the lowest common denominator of

5/8 and 4/7

56

300

Add the following two numbers

3/8 + 1/6

13/24

300

Subtract the following two numbers

5/9 - 5/12

5/12

300

True or False

Polar Bears have black skin.

True

400

What are the first 9 factors of 6?

6, 12, 18, 24, 30, 36, 42, 48, 54

400

What is the lowest common denominator of

1/4 and 3/8

8

400

Add the following two numbers

2/5 + 3/4

23/20

400

Subtract the following two numbers

2/5 - 1/6

7/30

400

True or False

Butterfies taste with their feet.

True

500

What are the first 9 factors of 9?

9, 18, 27, 36, 45, 54, 63, 72, 81

500

What is the lowest common denominator of

3/5 and 3/8

40

500

Add the following two numbers

1/4 + 3/8

5/8

500

Subtract the following two numbers

2/3 - 2/11

16/33 

500

True or False

Kangaroos can walk backwards.

False

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