Estimating Products
Estimate: 4/5 x 1/10
1 x 0 = 0
Solve. Write your answer in simplest form.
3 x 1/3
1
Solve. Write your answer in simplest form.
1/6 x 3/7
1/14
Solve. Write your answer in simplest form.
3 x 2 1/3
7
6 divided by 1/5
30
Estimate: 3 3/4 x 2 2/3
4 x 3 = 12
Solve. Write your answer in simplest form.
2/3 x 6
4
Solve. Write your answer in simplest form.
5/8 x 2/7
5/28
Solve. Write your answer in simplest form.
3/4 x 2 6/7
2 1/7
Solve. Write your answer in simplest form.
1/4 divided by 6
1/24
Estimate: 1/3 x 7
2
Solve. Write your answer in simplest form.
2/7 x 15
4 2 /7
Solve. Write your answer in simplest form.
8/11 x 3/4
6/11
Solve. Write your answer in simplest form.
3 2/9 x 1 5/7
5 11/21
Find the unknown: 4/5 divided by 5 = p
p = 4/25
Without multiplying, predict whether the product of 6 and 1/3 is greater than, less than, or equal to 6. Explain your answer.
Less than 6 because 1/4 is less than 1.
Solve. Write your answer in simplest form.
4 x 3/4
3
Solve. Write your answer in simplest form.
2/5 x 2/7
4/35
Mike spent 3 3/5 hours studying last night. He spent 1/4 of the time studying Science. How much time did he spend studying Science?
9/10 of an hour or 54 minutes
Ryan has a board that is 10 feet long. He needs to cut the board into equal pieces that are 1/3 feet long. How many pieces can he cut?
30 pieces
A rectangular floor measures 3 1/3 feet by 12 3/4 feet. Estimate the area of the floor.
Based on your estimate, if Emily buys 50 square feet of carpet, will she have enough carpet to cover the floor? Explain.
Area= 39 square feet
Yes, she will have enough since 39 is less than 50.
At an aquarium, Mary counted 120 fish. Of the fish she counted, 1/6 were baby fish. If she counted an equal number of adult males and females, how many adult male fish did Mary count?
1/6 x 120 = 20 baby fish
120 - 20 = 100 adult fish
100 divided by 2 = 50 male
Rachel and Lexi receive the same allowance. Rachel donated 3/10 of her allowance. Lexi donated 4/9 as much as Rachel. What fraction of her allowance did Lexi donate?
2/15 of her allowance
Devin bought 2 1/3 pounds of oranges. If he bought grapes that weighed 1 1/2 times as much as the oranges, how much did the grapes weigh?
3 1/2 pounds
There is 1/3 of a pie left. If 6 friends share the remaining pie equally, what fraction of the entire pie will each friend receive?
1/18 of the pie