Week 4 - Fractions

Adding/Subtracting

100

3/12 + 2/4 = ?

3/12 + 6/12 = 9/12 = 3/4

200

7/8 - 1/4 = ?

7/8 - 2/8 = 5/8

300

4/5 + 9/10 = ?

17/10 or 1 and 7/10

400

5/10 + 1/4 + 1/5 = ?

10/20 + 5/20 + 4/20 = 19/20

500

7 and 3/8 + 3 and 1/4 = ?

7 and 3/8 + 3 and 2/8 = 10 and 5/8

Comparing

100

<, >, or =

1/3 ___ 12/36

=

200

<, >, or =

2 and 1/3 ____ 8/4

>

300

<, >, or =

1/1 ___ 9/10

>

400

<, >, or =

2 ____ 12/5

<

500

<, >, or =

3 and 5/8 ____ 15/4

3 and 5/8 < 3 and 3/4 (= 3 and 6/8)

Word Problems

100

Lila ate 2/8 of a pizza, and her brother ate 3/8 of the same pizza. How much pizza did they eat altogether?

They ate 5/8 of a pizza.

200

Jamal ran 5/6 of a mile in gym class. If he planned to run a full mile, how much farther does he need to go?

He needs to go 1/6 of a mile.
(1 - 5/6 = 6/6 - 5/6 = 1/6)

300

Which is greater: 3/4 of a chocolate bar or 5/8 of a chocolate bar?

3/4 of a chocolate bar (=6/8)

400

Maya read 2/3 of her book on Monday and 1/4 of it on Tuesday. How much of the book has she read in total?

She has read 11/12 of the book.

(2/3 + 1/4 = 8/12 + 3/12 = 11/12)

500

A recipe calls for 7/8 of a cup of flour. You only have 1/2 of a cup. How much more flour do you need?

You need 3/8 of a cup of flour.

(7/8 - 1/2 = 7/8 - 4/8 = 3/8)