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Addition and subtraction

This guide includes advice on how to use the part-whole method to partition a collection into two or more parts.

Additional details
Year level(s)	Year 1, Year 2
Audience	Teacher
Purpose	Teaching resource, Teaching strategies
Format	Downloadable resources
Teaching strategies and pedagogical approaches	Explicit teaching
Keywords	partition, part-whole method, reasoning, explicit teaching
Curriculum alignment
Strand and focus	Number
Topics	Addition and subtraction
AC: Mathematics (V9.0) content descriptions	AC9M1N04 Add and subtract numbers within 20, using physical and virtual materials, part-part-whole knowledge to 10 and a variety of calculation strategies AC9M2N04 Add and subtract one- and two-digit numbers, representing problems using number sentences and solve using part-part-whole reasoning and a variety of calculation strategies
Numeracy progression	Additive strategies (P6) Number and place value (P3)
Copyright details
Organisation	White Rose Maths
Copyright	© 2021 White Rose Maths. Free-for-education material.

Additional details