Module 4 Calculating
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Can I add and subtract a multiple of ten?

Example review questions

  • Start at 34 and count on three lots of ten. Show that on a number line. Where do you land? Now write that as a number sentence.
  • What is 23 + 10? 23 + 20? 23 + 50?
  • Complete the empty boxes.
    A number line showing 20 + 50 = ?
  • empty box = 26 + 20
  • Altogether Sam and Annie have 96p. If Sam has 66p how much money must Annie have?
  • What is 56 − 10? 56 − 30? 56 − 50?
  • Subtract 30 from 56. What did you write, draw or imagine to help you?
  • Fill in the empty boxes.
    A number line showing 37 + ? = 77