Adding & Subtracting Fractions Review - (Mr. Relador)

+/- with Like Denominators

100

1/6 + 4/6

5/6

200

TRIPLE JEOPARDY

3/4 - 1/4

1/2

300

9/10 - 7/10

1/5

400

2 + 4/12

2 1/3

500

1 - 1/8

7/8

+/- with Unlike Denominators

100

1/4 + 5/8

7/8

200

2/5 + 1/2

9/10

300

7/12 - 1/2

1/12

400

5/6 - 2/12

3/4

500

3/12 - 1/8

1/8

Adding Mixed Numbers with Unlike Denominators

100

4 1/6 + 9 2/3

13 5/6

200

8 1/4 + 8 5/6

17 1/12

300

8 4/6 + 4 3/5

13 4/15

400

8 7/9 + 2 2/3

11 12/27

500

10 5/6 + 8 14/15

19 23/30

Subtracting Mixed Numbers with Unlike Denominators

100

7 3/4 - 1 1/12

6 2/3

200

11 1/2- 7 3/8

4 1/8

300

17  -  8 2/3

8 1/3

400

7 4/5 - 2 9/10

4 9/10

500

9 1/2 - 5 8/12

3 5/6

Word Problems & More Subtraction

100

Estimate the sum of

1/4 + 7/8

1

200

8/15 - 1/5

5/15

300

DOUBLE JEOPARDY 

Name at least 3 equivalent fractions for 2 wholes. 

Answer may vary 

2/2, 4/2, 8/2, 20/10, 100/50, 10/5...

400

9 1/8 - 4 5/6

4

500

When Adan was eight, his little brother Carlos was half of his age. Adan is 30 now. How old is Carlos?

Carlos is 26 years old

Vocabulary for Working with Fractions

100

TRIPLE JEOPARDY 

In a regular school week what fraction of a week do you spend at school?

5 out of 7 days. 

5/7

200

12/7 is an example of an _______________. This is not in the simplest form!

improper fraction

300

Fractions must have the same _________ before adding or subtracting. (Hint: This is the 1st step when adding or subtracting fractions)

denominator

400

Fill in the blank: Use __________ fractions common denominator before adding or subtracting. 

equivalent

500

DOUBLE JEOPARDY

If there are a total of 90 fifth grade students at Fremont Elementary. What fraction of fifth grade students would Mr. Relador's class currently represent. 

1/3