Representing 3-digit numbers, comparing and positioning on number lines
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Why this why now
This unit develops understanding of place value by looking at 3-digit numbers. Pupils represent them in different ways and explore how counting patterns and mental calculation strategies familiar to them can be applied to larger numbers. They consider the composition and relative size of numbers, comparing, partitioning and positioning them on number lines. Pupils also develop counting patterns by counting on and back in multiples of 2, 20, 5, 50 and 25.
Prior knowledge requirements
- Recall number facts and sequences
- Use place value understanding
- Apply basic operations in context
Threads
Why this why now
This unit develops understanding of place value by looking at 3-digit numbers. Pupils represent them in different ways and explore how counting patterns and mental calculation strategies familiar to them can be applied to larger numbers. They consider the composition and relative size of numbers, comparing, partitioning and positioning them on number lines. Pupils also develop counting patterns by counting on and back in multiples of 2, 20, 5, 50 and 25.
Prior knowledge requirements
- Recall number facts and sequences
- Use place value understanding
- Apply basic operations in context
Representing 3-digit numbers, comparing and positioning on number lines
In this unit pupils will use knowledge of place value to represent a 3-digit number in different ways. They will compare and order 3-digit numbers and position on number lines and unmarked number lines.
15 lessons in unit
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