Unit 7

Adding Fractions

100

What is 1/3+1/5?

8/15

200

What is 3/4+3/8?

1 1/8

300

What is 6/9+1/3?

9/9 or 1

400

What is 15/18+5/12?

45/36 or 1 9/36

500

What is 1  3/4 + 3  3/12?

4 12/12 or 5

Subtracting Fractions

100

What is 3/9-2/18?

2/9

200

What is 4/6-2/8?

10/24

300

What is 10/15-1/3?

1/3

400

What is 2/3-3/8?

7/24

500

What is 7/9-3/8?

29/72

Addition Word Problems

100

Kelly ate 4/8 of a pizza. Jamie ate 1/4 of that same pizza. How much of the pizza has been eaten?

6/8

200

Adam used up 2/7 of his memory on his phone in January. By August, he used up 6/14 of his memory. What is the total amount of memory Adam used up on his phone?

10/14

300

Of the ice cream cones sold yesterday at Stanley's Ice Cream Shop, 1/6 were chocolate and another 2/3 were vanilla. What fraction of the ice cream cones sold were either chocolate or vanilla?

5/6

400

Jeff works at a retail company. He counted 3/5 of the money on Monday. On Friday he counted 5/25 of the money. How much of the money did he count in total?

20/25

500

In Kyle's history class, 5/8 of the students are making videos for their final project and 1/4 are making dioramas. What fraction of the students are making either a video or a diorama?

7/8

Subtraction Word Problems

100

Gita and her sister went together to get haircuts. Gita got 4/5 of an inch cut off and her sister got 7/10 of an inch cut off. Compared to her sister, how much more hair did Gita get taken off?

1/10

200

Dave's milkshake recipe calls for 5/6 of a scoop of ice cream and Ruth's recipe calls for 1/3 of a scoop. How many more scoops of ice cream are used in Dave's recipe than in Ruth's recipe?

3/6 or 1/2

300

Isaac is allowed to play video games for 5/8 hours in a day. He has already played for 2/16 hours. How many hours does he have left?

8/16 hours

400

Pedro is supposed to practice piano 4/6 of an hour every day. He practiced for 6/12 of an hour. How much time does he have left to practice?

2/12

500

Tyler and Katie had a bottle of lemonade they used to sell. On Wednesday, they sold 2/5 of the lemonade. On Thursday, they sold 4/10 of the lemonade. How much lemonade is left in the bottle.

2/10

Powers of Ten/Metric

100

Write the number in exponential notation: 1,000,000

10⁶

200

Write the number in exponential notation: 10 x 10 x 10

10³

300

How many centimeters are in 3.5 meters? 

350 cm

400

How does a whole number of meters change when it is converted to millimeters?

The number gets 1,000 times larger but the amount is equivalent in value. 

500

How many meters are in 1,375 millimeters?

1.375 meters