Estimate fractions using benchmark fractions

What benchmark is 2/7 closest to?

• 0

• 1

• 1/2

What benchmark is 11/12 closest to?

• 1

• 0

• 1/2

What benchmark is 1/8 closest to?

• 1/2

• 0

• 1

What benchmark is 5/10 closest to?

• 1/2

• 1

• 0

What benchmark is 2/9 closest to?

• 1

• 1/2

• 0

What benchmark is 9/12 closest to?

• 0

• 1/2

• 1

What benchmark is 1/3 closest to?

• 1

• 1/2

• 0

What benchmark is 4/9 closest to?

• 1/2

• 1

• 0

Estimate the sum using benchmark fractions.

3/4 + 1/8 =

• 2

• 0

• 1

• 1/2

Estimate the difference using benchmark fractions.

7/8 - 4/5 =

• 1

• 0

• 1/2

• 2