Benchmark numbers are those that are commonly used as reference points for easier calculation and estimation. They are typically multiples of 10, 100, or sometimes 25. Here are some commonly used benchmark numbers:
0 and 1 are indeed benchmark numbers.
Multiples of 5 or 10, such as 10, 50, 100.
Decimals like 0.5 or 0.25.
Fractions like 1/2, 1/4, or 3/4.
These numbers are chosen because they make calculations and estimations simpler, especially for young learners or in mental math situations123. So,
