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Let’s talk 1

Uses maths manipulatives and tools, including a number line, to model various strategies for solving 23-19.

Additional details
Year level(s)	Year 1, Year 2
Audience	Student, Teacher
Purpose	Teaching resource, Teaching strategies
Format	Video
Teaching strategies and pedagogical approaches	Concrete Representational Abstract model, Targeted teaching
Keywords	addition, subtraction, difference, number line, solution, explicit teaching
Curriculum alignment
Curriculum connections	Numeracy
Strand and focus	Number, Build understanding
Topics	Place value, Addition and subtraction, Operating with number
AC: Mathematics content descriptions	ACMNA015 Represent and solve simple addition and subtraction problems using a range of strategies including counting on, partitioning and rearranging parts ACMNA030 Solve simple addition and subtraction problems using a range of efficient mental and written strategies
National numeracy learning progression	Quantifying numbers Additive strategies - AdS7
Copyright details
Organisation	NSW Department of Education
Copyright	© State of New South Wales (Department of Education), 2020 Creative Commons Attribution 4.0, unless otherwise indicated.