estimation
Problem solving 1
Problem solving 2
Add or subtract 1
100
Sandy and Brett are painting a house. Sandy painted 1/10 of the house and Brett painted 4/9 of the house.
Estimate how much more Brett painted than Sandy.
What is 1/2?
100
The distance from Alison's house to the mailbox is 2/5 mile. The distance from the mailbox to
the bus stop is 1/3 mile. What is the total distance from Alison's house to the bus stop?
What is 11/15?
100
The bar diagram shows the fractional parts of a lawn that Troy and Kylie mowed. How much of the lawn did they mow?
What is 17/24?
100
1/8 + 15/16 =
What is 1 1/16?
200
Estimate the sum of 1/6 and 4/5
What is 1?
200
An adult short-eared owl weighs 1/2 pound. A baby short-eared owl weighs 2/9 pound.
What is the total weight of the two owls?
What is 13/18?
200
Mark needs 3 1/8 pounds of seed to fill the bird feeders in his backyard, but he only has 1 1/2 pounds of seeds.
A. How much seed does he need to buy?
B. Mark only found a 1/2-pound bag of seeds at the store. How many more pounds does he need?
A. What is 1 5/8?
B. What is 1 1/8?
200
Evaluate 8 - 2 3/4
what is 5 1/4
300
Estimate: 5 5/6 − (1 1/4 + 3 7/8)
What is 1?
300
Sandy and Brett are painting a house. Sandy painted 1/10 of the house and Brett painted 4/9 of the house. How much more did Brett paint than Sandy?
What is 31/90?
300
Models for two mixed numbers are shown below.
Part A
Write an equation that shows the sum?
B. What is the difference between the two mixed numbers?
A. What is 1 10/12 + 2 5/12 = 4 1/4 or 1 5/6 + 2 5/12=4 1/4
B. What is 7/12?
300
9 1/2 + 6 3/4=
What is 16 1/4?
400
Estimate the sum of 2 7/8
and 15 1/5.
What is 18?
400
Jason jumped 6 2/3 feet in a jumping contest. Yolanda jumped 4 3/4 feet.
How much farther did Jason jump than Yolanda?
What is 1 11/12?
400
Jodi read 3/8 of a book on Monday, 5/12 of the book on Tuesday, and the rest of the book on Wednesday.
What fraction of the book did Jodi read on Wednesday?
What is 5/24?
400
6 - 3/7
What is 5 4/7?
500
Graham is hiking a trail that is 5 1/2 miles long. He has hiked 3 5/8 miles so far. How much farther does he need to finish the trail?
What is 1 7/8?
500
On Tuesday, another 1/4 inches of rain fell. How much rain fell in all?
What is 1 4/8 or 1 1/2?
500
5 1/8 - 2 7/16
what is 4 3/16