Estimating fractions using benchmarks

Estimate the sum using benchmark fractions

7/8 + 3/8

• 1 1/2

• 1

• 1/2

• 0

Estimate the sum using benchmark fractions.

9/10 + 2/10

• 1 1/2

• 1

• 1/2

• 0

Estimate the difference using benchmark fraction.

10/12 - 5/12

• 1 1/2

• 1

• 1/2

• 0

Estimate the difference using benchmark fraction.

9/10 - 8/10

• 1 1/2

• 1

• 1/2

• 0

Estimate the difference using benchmark fraction.

4/8 - 2/8

• 0

• 1/2

• 1

• 2

Estimate the sum using benchmark fraction.

3/8 + 3/8

• 1

• 2

• 1/2

• 0