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Maths
Additive structures: addition and subtraction

Starter quiz

  • Write a subtraction equation that could represent the counters.
    Write a subtraction equation that could represent the counters.
    • '9 - 4 = 5' ✓
  • What subtraction equation could represent this story? There were 5 children altogether in the whole group. 1 had brown hair. How many did not have brown hair?
    • '5 - 1 = 4' ✓
  • Alex writes this addition equation to represent the bar model. 2 + 7 = 9 Which subtraction equation could also be represented by the bar model?
    Alex writes this addition equation to represent the bar model. 2 + 7 = 9 Which subtraction equation could also be represented by the bar model?
    • '9 - 2 = 7' ✓
  • Which set of counters could represent this story? There were 6 teddies altogether in the whole group. 4 were small teddies. How many were not small teddies?
  • Tick the subtraction equations which could be represented by this bar model.
    Tick the subtraction equations which could be represented by this bar model.
    • 9 - 6 = 3  ✓
    • 3 + 6 = 9
    • 9 - 3 = 6  ✓
  • Which of these is a subtraction story?
    • There are 3 birds in the tree and 2 on the fence. How many birds are there?
    • There are 5 birds. 2 are on the fence. How many are not on the fence?  ✓
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