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Maths
Additive structures: addition

Starter quiz

  • Tick an addition equation that could represent the counters.
    Tick an addition equation that could represent the counters.
    • 5 + 9 = 4
    • 4 + 5 = 9  ✓
    • 9 - 4 = 5
  • Tick two subtraction equations that could represent the counters.
    Tick two subtraction equations that could represent the counters.
    • 5 + 4 = 9
    • 4 - 5 = 9
    • 9 - 4 = 5  ✓
    • 9 - 5 = 4  ✓
  • Izzy writes this subtraction equation to represent the bar model. 9 – 2 = ? Which addition equation could also be represented by the bar model?
    Izzy writes this subtraction equation to represent the bar model. 9 – 2 = ? Which addition equation could also be represented by the bar model?
    • 9 - ? = 2
    • 2 + 9 = ?
    • 2 + ? = 9  ✓
  • Which set of counters could represent this story? There were 2 large teddies and 4 small teddies. How many teddies were there altogether?
  • Tick the two equations which could be represented by this bar model.
    Tick the two equations which could be represented by this bar model.
    • 9 + 6 = 3
    • 9 - 3 = 6  ✓
    • 6 - 3 = 9
    • 3 + 6 = 9  ✓
  • Which of these is not an addition story?
    • I have 5 pennies in my pockets. 2 are in one. How many are in the other?  ✓
    • Jun has 3 pennies, Izzy has 2. How many pennies do they have altogether?
    • I have 3 pennies in one pocket and 2 in the other. How many pennies altogether?
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