5th Grade · Number & Operations—Fractions
Benchmark Fraction
5.NF.A.2
Definition
A common, easy fraction such as 0, 1/2, or 1, used to estimate and compare other fractions.
Examples
- 3/8 is a little less than the benchmark 1/2.
- 5/6 is close to the benchmark 1.
Key rule
Compare a fraction to a nearby benchmark like 0, 1/2, or 1 to estimate its size.
Memory hook
Easy fractions as landmarks for estimating.