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Clever Calculators

Mathematics · Term 3

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On this Quest, you'll discover…

Use smarter strategies to calculate to 75, on paper and in your head.

  • Add and subtract to 75, including adding and subtracting multiples of ten
  • Build number bonds to 20 and use ×2, ×4 and ×5
  • Solve addition, subtraction, multiplication, grouping, sharing and money problems and explain your strategy
  • Break numbers up into tens and ones to make adding and subtracting easier
  • Use doubling and halving to work out answers quickly in your head

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