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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.