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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.
|Year level(s)||Year 1, Year 2|
|Purpose||Teaching resource, Teaching strategies|
|Teaching strategies and pedagogical approaches||Concrete Representational Abstract model, Targeted teaching|
|Keywords||addition, subtraction, difference, number line, solution, explicit teaching|
|Strand and focus||Number, Build understanding|
|Topics||Place value, Addition and subtraction, Operating with number|
|AC: Mathematics (V9.0) content descriptions||
Add and subtract numbers within 20, using physical and virtual materials, part-part-whole knowledge to 10 and a variety of calculation strategies
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
Additive strategies (P6)
Number and place value (P3)
NSW Department of Education
© State of New South Wales (Department of Education), 2020 Creative Commons Attribution 4.0, unless otherwise indicated.