Starter quiz

  • What fact can I use to efficiently calculate 6 × 9?
    • 6 × 6
    • 6 × 10  ✓
    • 6 + 9
    • 6 × 9 + 1
  • Complete: 6 × 10 − ______ = 6 × 9
    • '6' ✓
  • Complete: 8 × 12 + ______ = 12 × 9
    • '12' ✓
  • What do I need to subtract from 37 × 10 to find 37 × 9?
    • 1
    • 9
    • 10
    • 37  ✓
  • Use 41 × 10 = 410 to calculate 41 × 9 = ______
    • '369' ✓
  • Use 34 × 10 = 340 to calculate 34 × 9 =
    • '306' ✓
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