Mathematics Multiplication & Division Procedural 9–10 yrs

Multiplicative Comparison

乘法比较

Description

Solve word problems involving multiplicative comparison using drawings and equations with a symbol for the unknown number

Mastery Evidence
  • A blue ribbon is 3 times as long as a red ribbon of 7 cm — how long is the blue ribbon?
  • 36 is 4 times a number — what is the number?
  • Explain why 'Sam has 5 more' is additive but 'Sam has 5 times as many' is multiplicative
Assessment Prompt

If you say 'Maya has 4 times as many stickers as Tom, and Tom has 6 — how many does Maya have?', can your child recognise this as a multiplication problem and solve it?