Support · Stage 3 · Additive relations A
Support Determine when it would be more efficient to use a calculator to add numbers
Resources for the prerequisite content of this dot point: earlier-stage (or earlier sub-level) dot points in the same strand that students usually need first. Use these to fill gaps before or alongside the core lesson.
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Prerequisite dot points
Recognise when mental strategies would be more efficient than a vertical algorithm for subtraction (Reasons about relations)
Stage 2 · Additive relations B Draft mapping
No checked resources on this prerequisite dot point yet.
Use an algorithm with understanding to record addition and subtraction calculations, where efficient, involving 3-digit numbers
Stage 2 · Additive relations B Draft mapping
No checked resources on this prerequisite dot point yet.
Use the complement principle of addition and subtraction (Reasons about relations)
Stage 2 · Additive relations A Draft mapping
No checked resources on this prerequisite dot point yet.