Meaning & use
benchmark fraction
A common, easy-to-visualize fraction, such as one half or one quarter, used to estimate or compare other fractions.
See it in a sentence
Students compared three eighths to the benchmark fraction one half to see it was smaller.
Using a benchmark fraction like one quarter helped her round the recipe amounts quickly.
A note on using this word
Benchmark fractions are a teaching tool for estimation, not a fixed mathematical category; teachers often choose 0, one half, and 1.
Words with a similar meaning
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