Starter quiz

  • Division in the __________ operation of multiplication.
    • improper
    • inequal
    • invariant
    • inverse  ✓
  • Select the rearrangements of the additive relationship 389.16 + 417.4 = 806.56.
    • 417.4 + 389.16 = 806.56  ✓
    • 806.56 + 417.4 = 389.16
    • 417.4 − 806.56 = 389.16
    • 806.56 − 417.4 = 389.16  ✓
    • 417.4 − 389.16 = 806.56
  • Select the rearrangements of the multiplicative relationship y=5x.
    • 5y=x
    • {5\over{y}}=x
    • {y\over{5}}=x  ✓
    • {y\over{x}}=5  ✓
    • {x\over{y}}=5
  • The solution to x-13=63 is x= ______.
    • '76' ✓
  • Laura begins to solve the equation x-12=13 by writing x-12+12=13. What error has Laura made?
    • Laura should add 13, not 12.
    • Laura has only performed the operation +12 to one side of the equation.  ✓
    • The answer is obviously just 1. Laura doesn't need a method here.
    • Laura should do -12, not +12
  • Which of the below are rearrangements of the equation 17-x=2y ?
    • 17+2y=x
    • 17=2y+x  ✓
    • x-17=2y
    • 17-2y=x  ✓
    • 17-2x=y
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