Add/Subtract with like denominators
Adding Fractions with UNLIKE denominators
Subtracting Fractions with UNLIKE denominators
Equivalent Fractions
History
100

2/5 + 2/5

4/5

100

1/2 + 1/3

5/6

100

1/2 - 1/3

1/6

100

7/2

3 and 1/2

100

What historical event has been called "the day which will live in infamy?"

Pearl Harbor

200

7/8 - 2/8

5/8

200

1/3 + 1/5

8/15

200

7/10 - 1/3

11/30

200

13/3

4 and 1/3

200

What country attacked the U.S. on December 7th 1941?

Japan

300

3 sixths + 2 sixths

5 sixths

300

1/4 + 1/3

7/12

300

7/8 - 3/4

1/8

300

19/3

6 and 1/3

300

Where is Pearl Harbor located?

Hawaii

400

5 twelfths -2 twelfths

3 twelfths or 1/4

400

1/3 + 1/7

10/21

400

7/9 - 1/2 

5/18

400

44/7

6 and 2/7

400

How many people were killed during the attack at Pearl Harbor?

2,403

500

12/4 - 6/3

1

500

3/4 + 2/3

1 and 5/12

500

2/3 - 1/7

11/21

500

27/5

5 and 2/5

500

What famous person from Addison was stationed in Hawaii at the time of the attack?

Coach A.G. Hicks

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