Estimating
LCDs and Equivalent Fractions
Add and Subtract Fractions
Add and Subtract Mixed Numbers
Word Problems
100
Round to 0, 1/2, or 1
`5/8`
What is 1/2?
100
The lowest common denominator (LCD) for the following fractions:
`1/7 and 2/3`
What is 21?
100
`3/5+7/10`
What is 1 3/10?
100
`4 1/2+8 1/8`
What is 12 5/8?
100
An adult short-eared owl weighed 1/2 pound. A baby short-eared owl weighed 2/9 pound.
What was the total weight of the two owls?
What is 13/18 pound?
200
Round to 0, 1/2, or 1:
`1/5`
What is 0?
200
The LCD for the following fractions:
`5/9 and 1/6`
What is 18?
200
`1/2+1/3`
What is 5/6?
200
`3 2/5 + 2 1/9`
What is 5 23/45?
200
The bar diagram shows the fractional parts of a lawn that Troy and Kylie mowed. Find the total amount of the lawn that was mowed.
What is 17/24 of the lawn?
300
Round to the nearest whole number:
`2 5/6`
What is 3?
300
Find equivalent fractions with the LCD for the following fractions:
`3/8 and 9/10`
What are 15/40 and 36/40?
300
`5/9-1/2`
What is 1/18?
300
`6 3/8 - 2 1/6`
What is 4 5/24?
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 of the house did Brett and Sandy paint in all?
What is 49/90?
400
Round to the nearest whole number:
`52 2/9`
What is 52?
400
Find equivalent fractions with the LCD for the following fractions:
`2/3 and 1/4`
What are 8/12 and 3/12?
400
`7/10-1/4`
What is 9/20?
400
`5 - 3 2/3`
What is 1 1/3?
400
Graham is hiking a trail that is 5 1/2 miles long. He has hiked 3 5/8 miles so far. How many miles does he have left to hike?
What is 1 7/8 miles?
500
Estimate:
`(3/4 - 1/8)+5/6`
What is 2?
500
Find equivalent fractions with the LCD for the following fractions:
`2/15 and 5/6`
What are 4/30 and 25/30?
500
`8/9-(1/3+1/6)`
What is 7/18?
500
`8 1/2 - (1 3/8 + 2 1/12)`
What is 5 1/24?
500
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?