Starter quiz

  • This picture has been represented with the equation 2 + 5 = 7 Which number must be subtracted to undo the change?
    This picture has been represented with the equation 2 + 5 = 7 Which number must be subtracted to undo the change?
    • 2
    • 5  ✓
    • 7
  • Match the addition equations to the inverse equation.
    • 6 + 2 = 8
      ⇔
      8 − 2 = 6 ✓
    • 2 + 6 = 8
      ⇔
      8 − 6 = 2 ✓
  • First, there were 8 cakes on my plate. Then, 3 cakes were eaten. Now, there are 5 cakes on my plate. Write the equation which would undo the change made in this story?
    • '5 + 3 = 8' ✓
  • Look at the picture. Which of the following represents the story?
    Look at the picture. Which of the following represents the story?
  • Which equation would undo the addition 5 + 1 = 6
    • 1 + 5 = 6
    • 6 − 1 = 5  ✓
    • 6 − 5 = 1
  • Which equation would undo the subtraction 9 − 5 = 4
    • 5 + 4 = 9
    • 4 + 5 = 9  ✓
    • 9 − 4 = 5
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