Identify the whole and parts of the numbers 6 to 10 using the five and a bit structure

I can identify the whole and parts of the numbers 6 to 10 in a range of different representations using the 5 and a bit structure.

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Year 1

Identify the whole and parts of the numbers 6 to 10 using the five and a bit structure

I can identify the whole and parts of the numbers 6 to 10 in a range of different representations using the 5 and a bit structure.

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Lesson details

Key learning points

The numbers 6 to 9 can be partitioned into 5 and a bit.
Where the whole is 6, 7, 8, or 9 it can be partitioned into one part of 5 and one smaller part.
A part-part-whole model can represent the five and a bit structure.

Common misconception

Children may rely on counting from 0 rather than seeing the five and a bit structure of the numbers 6 to 10 and may therefore not partition efficiently.

Use fingers to expose the 5 and a bit structure. 'Grow' a number by putting up fingers one at a time while counting, 'show it' by putting up the fingers all at once, 'throw it' as you quickly throw the number of fingers forwards.

Keywords

Partition - To split a whole up into parts.
Whole - All of something. Complete.
Part - A piece or section of a whole.
Part-part-whole model - A pictorial representation that shows the whole and its parts.

Use a variety of representations to expose the five and a bit structure, e.g. hands, Hungarian ten frames, tally marks, bead strings, number shapes, dice / domino patterns. These can all be practically partitioned used alongside part-part-whole models to support understanding.

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Licence

This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).