EDM Unit 5

Dividing Fractions

100

1/3 Divided by 2/5

5/6

200

 Mrs. J has 5 pounds of clay for art class. if she wants to divide them into 1/3 pond pieces, how many pieces will she have?

15 or 15/1

300

Ms Couchon has 15 square yards in her garden. She wants to break the garden up into 1/4  square yard sections. How many sections will she have?

60 sections

400

Mr. B has 27 apples. He wants to split them up into 1/5 slices. how many slices will he have?

135 slices

500

Mr. C has 543 pizzas. He wants to split them into 1/8 slices. How many slices will he have?

4344 slices of pizza

Comparing Fractions

100

1/2 ? 1/3

1/2 > 1/3

200

1/2 ? 5/10

1/2 = 5/10

300

6/10 ? 2/5

6/10 > 2/5

400

8/4 ? 2

8/4 = 2

500

5/6 ? 6/7

5/6 < 6/7

+/- Like Denominators

100

1/2 + 1/2 =?

1/2 + 1/2 = 1

200

3/4 - 1/4 =?

3/4 - 1/4 = 2/4 = 1/2

300

8/10 + 1/10 =?

8/10 + 1/10 = 9/10

400

6 1/12 - 3 1/12 =?

6 1/12 - 3 1/12 = 3

500

6 8/13 + 2 6/13 = ?

6 8/13 + 2 6/13 = 9 1/13

+/- Unlike Denominators

100

3/4 + 1/2 = ?

3/4 + 1/2 = 1 1/4

200

5/6 - 1/3 =?

5/6 - 1/3 = 3/6 = 1/2

300

3/4 + 2/3 =?

3/4 + 2/3 = 17/12 = 1 5/12

400

7 4/5 - 2 1/4 = ?

7 4/5 - 2 1/4 = 5 11/20

500

3 14/20 + 1/2 =?

3 14/20 + 1/2 = 3 24/20 = 4 4/20= 4 1/5

Multiplying Fractions

100

1/2 * 3/4 = ?

1/2 * 3/4 = 3/8

200

3/7 * 4/5 =?

1/2 * 3/4 = 12/35

300

10/11 * 4/5 =?

10/11 * 4/5 = 40/55

400

17/20 * 3/4 =?

17/20 * 3/4 = 51/80

500

5/10 * 2/3 =?

5/10 * 2/3 = 10/30 = 1/3