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Maths
Bridging 100: counting on and back in 10s, adding/subtracting multiples of 10

Starter quiz

  • Which number pairs have a total of 10?
    • 7 + 3  ✓
    • 2 + 8  ✓
    • 5 + 4
    • 0 + 9
  • What is 40 + 10?
    • '50' ✓
  • What is 20 + 20?
    • '40' ✓
  • What is 10 less than 103?
    • 83
    • 93  ✓
    • 97
    • 113
  • Match up the equations to the answers.
    • 125 − 10 =
      ⇔
      115 ✓
    • 115 + 10 =
      ⇔
      125 ✓
    • 115 − 10 =
      ⇔
      105 ✓
    • 125 + 10 =
      ⇔
      135 ✓
  • Ping has a mass of 94 kg. Polly is 10 kg heavier. What is Polly's mass in kg?
    Ping has a mass of 94 kg. Polly is 10 kg heavier. What is Polly's mass in kg?
    • '104' ✓
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