Starter quiz

  • In the following equation, which number is the subtrahend? 21 − 4 =17
    • 21
    • 4  ✓
    • 7
  • Solve the following calculation mentally by adjusting the minuend and subtrahend. 76 − 22 = ______
    • '54' ✓
  • Solve the following calculation using a mental strategy. ______ = 150 − 68
    • '82' ✓
  • Solve the following calculation mentally by adjusting the subtrahend and then the difference. 165 − 27 = ______
    • '138' ✓
  • Solve the following calculation using a mental strategy. ______ = 4,050 − 98
    • '3,952' ✓
  • Select the equivalent expressions (equal value) from the list below.
    • 105 − 56  ✓
    • 254 − 205  ✓
    • 300 − 156
    • 85 − 34
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