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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 (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

NSW Department of Education

Copyright

© State of New South Wales (Department of Education), 2020 Creative Commons Attribution 4.0, unless otherwise indicated.