Adding
Subtracting
Multiplying
Common Denominators
Related or Unrelated
100

What is the sum of one half and one half?

1 whole

100

If I take away 3/4 of a pizza from one whole pizza, what am I left with?

1/4 of the pizza

100

What is one-half of 18?

9

100

What is the least common multiple of 2 and 4?

4

100
If you are adding fractions and the denominators are 2 and 8, are they related or unrelated denominators?

Related

200

3 + 3/4 + 2 + 1/4 

6

200

7/9 - 5/9

2/9

200

What is 1/4 of this array model?

6

200

What is the least common multiple of 6 and 8?

24

200
If you are subtracting fractions and the denominators are 12 and 18, are they unrelated or related denominators?

Unrelated

300

5 1/3 + 4 1/6

9 3/6

300

19/20 - 4/5

3/20

300

What is 3/5 of 30?

18

300

What is the least common multiple of 5 and 15?

15

300

Name at least two related denominators to 15?

5, 30, 45, 60, etc.

400

9 2/3 + 10 3/4

20 5/12

400

4 4/5 - 1 1/3

3 7/15

400

4/5 xx 25 + 8 = ?

20

400

What is the least common multiples of 5, 10, and 20?

20

400

Name at least two related denominators to 8?

2, 4, 16, 24, etc.

500

4 1/3 + 2 1/5 + 3 4/6

9 36/30 or 10 6/30

500

8 2/7 - 3 5/6 

4 19/32 

500

8/9 xx 72 - 60

4

500

What is the least common multiple of 3, 5, and 6?

30
500
There are four numbers that are less than 12, but also related to 12. What are they?

2, 3, 4, 6