Starter quiz
- Match the equations that show that addition is commutative.
- 4 + 6 = 10⇔6 + 4 = 10 ✓
- 8 + 2 = 10⇔2 + 8 = 10 ✓
- 10 = 1 + 9⇔10 = 9 + 1 ✓
- 10 = 7 + 3⇔10 = 3 + 7 ✓
- Match the numbers that are one more and one less.
- One more than 7 is⇔8 ✓
- One less than 10 is⇔9 ✓
- One more than 5 is⇔6 ✓
- One less than 8 is⇔7 ✓
What is the odd number that comes after 3?- 1
- 5 ✓
- 7
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- What is the odd number that comes before 7?
- '5' ✓
Which equations does this bar model show?- 10 = 7 + 3 ✓
- 7 - 3 = 10
- 3 + 7 = 10 ✓
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