Help for Fractions Quiz 2

Quiz will be on Thursday, April 10

Do you remember what a mixed number is?

YES! It is a whole number, like 3and a fraction, like ½together: 3 ½

You know that you can add or subtract mixed numbers!

There are many strategies for adding. Here’s one: 4 5/8 + 2 6/8 = ?Add the whole numbers: 4+ 2 = 6 Add the fractions: 5/8 + 6/8 = 11/8Write 11/8 as a whole number and fraction: 11/8 = 8/8 + 3/8 11/8= 1 + 3/8 = 1 3/8Combine: 6 + 1 3/8 = 7 3/8

Here’s a visual.

4 5/8 + 2 6/8 = ?X X X XX X X X

X X X XX X X X

X X X XX X X X

X X X XX X X X

X X X XX

X X X XX X X X

X X X XX X

X X X XX X X X

Put the wholes together.Put the fractional parts together.

4 5/8 + 2 6/8 = ?X X X XX X X X

X X X XX X X X

X X X XX X X X

X X X XX X X X

X X X XX

X X X XX X X X

X X X XX X

X X X XX X X X

Put the wholes together.Put the fractional parts together.

Make a new whole.

4 5/8 + 2 6/8 = ?X X X XX X X X

X X X XX X X X

X X X XX X X X

X X X XX X X X

X X X

X X X XX X X X

X X X XX X X X

X X X XX X X X

Write the whole number and the fraction!

4 5/8 + 2 6/8 = ?X X X XX X X X

X X X XX X X X

X X X XX X X X

X X X XX X X X

X X X

X X X XX X X X

X X X XX X X X

X X X XX X X X

7 3/8

Solve problems involving line plots.

Mary is writing a story. She writes every day. She has written for the past seven days. Here is a line plot showing how many pages Mary has written during the past week.

0 ¼ ½ ¾ 1 1 ¼ 1 ¾ 2

Solve word problems involving he addition or subtraction of mixed fractions.

A. On Monday, 2/9 of the fourth grade brought in cans for the needy. By Tuesday, another 6/9 of the fourth graders brought in cans. What fraction of the fourth grade class brought in cans for the needy?

B. Jenna read 1 ¾ chapters of her book on Monday. She read another 2 ¾ chapters on Tuesday. How many chapters did Jenna read on Monday and Tuesday?

C. There are black socks, white socks and brown socks in Jack’s sock drawer. 1/5 of the socks are black. 3/5 of the socks are white. What fraction of the socks are black or white? (Think: black AND white)