Round Numbers to the Nearest 10, 100…

Learn to round any number up to 1,000,000 to the nearest 10, 100, 1,000, 10,000 and 100,000; use rounding to check answers to calculations and determine, in the context of a problem, levels of accuracy;
and round decimals with 2 decimal places to the nearest whole number and to 1 decimal place.

Target Age:

Lesson Overview

By the end of this unit, students will be able to:

  1. Round any number up to 1,000,000 to the nearest 10, 100, 1,000, 10,000 and 100,000.
  2. Use rounding to check answers to calculations and determine, in the context of a problem, levels of accuracy
  3. Round decimals with 2 decimal places to the nearest whole number and to 1 decimal place.

Curriculum Alignment: Year 5: Number – number and place value:

  • round any number up to 1,000,000 to the nearest 10, 100, 1,000, 10,000 and 100,000
Last updated on: February 26, 2026

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