Starter quiz

  • An equation is used to show two expressions that are ______ to each other.
    • 'equal' ✓
  • Work out the value of 13+7+(−7)
    • 6
    • 7
    • 13  ✓
    • 20
  • Work out the value of {20 \over 4}
    • 4
    • 5  ✓
    • 16
    • 20
    • 80
  • Solve the equation x + 9 = 21
    • x=9
    • x=12  ✓
    • x=21
    • x=30
  • Solve the equation 5x = 15
    • x=3  ✓
    • x=5
    • x=10
    • x=75
  • Solve the equation 7x = 3
    • x=−4
    • x={3\over7}  ✓
    • x={7\over3}
    • x=21
    • It can't be solved because 7 is not divisible by 3
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