ADDING AND SUBTRACTING FRACTIONS

GREATER THAN 1 AND MULTIPLYING FRACTIONSSWBAT add and subtract with mixed

numbers and improper fractions.SWBAT multiply fractions.

Empire State Building 2530 Ft.Sears Tower 2240 FtTrump Tower 2480 FtEiffel Tower 2510 FtBig Ben 800 FtChrysler Building 1980 Ft

1. Over a period of 3 hours, 180 snowflakes fell from the sky. At this rate, how many snowflakes fell in one hour?

a. 540 b. 60 c. 9 d. 102. The perimeter of a square is found by adding all four sides together. Find the perimeter of a square if each side is 1 a. 4 b. 5 c. 16/3 d. 10/3 3. The following table shows the height of various buildings. What is the third tallest structure in the table?A Sears Tower B Chrysler Building C Trump Tower D Big Ben

Adding and Subtracting with numbers greater than 1◦Make into all improper fractions

Practice

1. 1 ½ + 4 ¾ 2. 9/7 – 2/3 3. 2 ¼ + 6/5

Multiplying Fractions

To multiply fractions, you do NOT have to find a common denominator.

Simply multiply the numbers straight across.

***of is a key word signifying multiplication***

Ex: =

1.3/5 x 2/7

2.1/9 x 4/5

3.On Friday night, John ate pizza for dinner and had 1/2 of the pizza left over. On Saturday, he ate 1/3 of what was left. How much pizza did John eat on Saturday? How much did he have left?

4.In Aaliyah's grade, 2/3 of the students have a sister. Of the students who have a sister, 1/2 also have a brother. What fraction of the students in Aaliyah's grade have both a sister and a brother?

5.Zaire's lemon cookie recipe calls for 1/4 of a cup of sugar. How much sugar would Zaire use to make 1/4 of a batch of cookies?

6.The elephants at the Norfolk Zoo are fed 1/2 a barrel of corn each day. The buffalo are fed 7/10 as much corn as the elephants. How many barrels of corn are the buffalo fed each day?

7.Nevaeh had 1/3 of an apple pie. She gave 3/4 of what she had to her friend Braniyah. What fraction of the whole pie did Braniyah get?

Extra Practice with Fractions

◦Text book Bits & Pieces II Pg 25 #s 2-6