Fractions and Decimal Operations!!!!!!!

Adding/Subtracting Fractions

100

5/13 + 3/13

8/13

200

7/2 - 6/2

1/2

300

3/4 + 1/6

9/12 + 2/12 = 11/12

400

7/8 - 2/5

35/40 - 16/40 = 19/40

500

1/3 + 1/2 + 1/8

8/24 + 12/24 + 3/24 = 23/24

Multiplying/Dividing Fractions

100

3/8 x 7/9

21/72

200

9/8 ÷ 4/5

9/8 x 5/4 = 45/32

300

3/4 x 3 1/2

3/4 x 7/2 = 21/8 = 2 5/8

400

1 2/3 ÷ 1/5

5/3 x 5/1 = 25/3 = 8 1/3

500

1 2/3 ÷ 2 3/5

25/39

Adding/Subtracting Decimals

100

14.1 + 33.9

48

200

135.37 - 28.17

107.2

300

75.053 + 27.96

103.013

400

14.28 - 6.93

7.35

500

2.005 - 1.987

0.018

Multiplying/Dividing Decimals

100

1.45 x 3.1

4.495

200

3.6 ÷ 0.4

9

300

.34 x 12.5

4.25

400

0.48 ÷ 0.006

80

500

4.55 x 0.13

0.5915

Word Problems

100

You and four friends each ordered the same meal.  Each drink cost $2.20, the hamburgers each cost $4.50, the french fries each cost $3.00.  How much was the total bill for you and your friends?  

$48.50

200

Mary studies 2.2 hours for math, .75 hours for science, 1.2 hours for social studies and .09 hours for ELA.  How many total hours did she study?

4.24 total hours spent studying

300

Molly bought 15 1/2 pounds of ground beef for a cookout.  She plans to use 1/4 pound of beef for each hamburger.  How many hamburgers can she make?

62 hamburgers

400

Steve cutting a roll of cookie dough into pieces that are 1/2 inch thick.  If the roll of cookie dough is 5 1/2 inches long, how many cookies will he be able to make?

11 cookies

500

You have 120 game tokens to give to 15 party guests.  To be fair, you want each guest to get the same number of tokens.  How many should you give each guest? 

8 tokens each