Starter quiz

  • Which of the following is the same as 9+9+9+9 ?
    • 4^9
    • 9^4
    • 4\times9  ✓
    • 4+9
  • Select any calculations which are the same as 3\times4\times5
    • (3\times5)\times4  ✓
    • 7\times 5
    • (3\times4)+(3\times5)
    • (5\times4)\times3  ✓
    • 3+20
  • Which of these is the same as writing 7\times7\times7?
    • 7+7+7
    • 3\times7
    • 7^3  ✓
    • 3^7
  • In algebra, letters are used to represent unknowns or ______
    • 'variables' ✓
  • Select the statement that can be represented by the equation a+6-2+a=18
    • I think of a number, add 6 then subtract 2 and the answer is 18
    • I think of a number, add 2 and subtract 6 to get 18
    • I think of a number, subtract 2 and add 6 then add my original number to get 18  ✓
    • I think of a number, square it, add 6 then subtract 2 to get 18
    • I add 6 to my number, add 2 to my number and the difference is 18
  • Match the directed number calculations with the correct answers.
    • 12+-5
      ⇔
      7 ✓
    • -12+-5
      ⇔
      -17 ✓
    • -12+5
      ⇔
      -7 ✓
    • 12--5
      ⇔
      17 ✓
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