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Counting and representing the numbers 20 to 99

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Why this, why now

In this unit pupils will explore the counting sequence for counting to 100 and beyond representing numbers from 20-99 in different ways including marking the position on a number line They will learn to represent 20-99 in the context of length.

Prior knowledge requirements

  • Ardaydu waa inay yaqaanaan aasaaska maadada.
  • Ardaydu waa inay awoodaan inay raacaan tilmaamo fudud.
Unit 2 / 19

Counting and representing the numbers 20 to 99

In this unit pupils will explore the counting sequence for counting to 100 and beyond representing numbers from 20-99 in different ways including marking the position on a number line They will learn to represent 20-99 in the context of length.

5 lessons
  1. Explore the counting sequence for counting to 100 and beyond
  2. Represent a number from 20 to 99
  3. Count groups of ten and extra ones
  4. Count a large group of objects by counting tens and ones
  5. Use a number line to position and estimate the numbers 20-99