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Maths
Representing 3-digit numbers, comparing and positioning on number lines

Starter quiz

  • How should you partition 5 to calculate 98 + 5?
    • add 2 then add 3  ✓
    • add 3 then add 2
    • add 4 then add 1
  • Which calculations cross a 100s boundary?
    • 190 − 30
    • 210 − 30  ✓
    • 220 + 30
    • 190 + 30  ✓
  • What is 230 + 30?
    • '260' ✓
  • 270 − 40 = ______
    • '230' ✓
  • Which calculation is shown by the number line representation?
    Which calculation is shown by the number line representation?
    • 397 + 3 = 403
    • 397 + 5 = 403
    • 396 + 6 = 403
    • 397 + 6 = 403  ✓
  • Use the number line to find the missing number. 510 − ___ = 460
    Use the number line to find the missing number. 510 − ___ = 460
    • 10
    • 20
    • 40
    • 50  ✓
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