Starter quiz

  • Calculate (-5)^2
    • '25' ✓
  • Select the correct first step to evaluate 2+3\times 5^2
    • 2+3=5
    • 3\times 5= 15
    • 5^2=25  ✓
  • Evaluate {12\times 2\over 4}-2
    • '4' ✓
  • Starting with the first step, put these lines of working in order to show how to evaluate {25+2\times (2+1)^2\over 10}-4
    • 1
      ⇔
      {25+2\times 3^2\over 10}-4
    • 2
      ⇔
      {25+2\times 9\over 10}-4
    • 3
      ⇔
      {25+18\over 10}-4
    • 4
      ⇔
      {43\over 10}-4
    • 5
      ⇔
      4.3-4
  • In the equation 2a+1=5-3a, 5-3a is called an ______
    • 'expression' ✓
  • Mach up the directed number calculation with the correct value
    • (-10)^2
      ⇔
      100 ✓
    • -10\times 2
      ⇔
      -20 ✓
    • -10\times -2
      ⇔
      20 ✓
    • 2-10
      ⇔
      -8 ✓
    • 2--10
      ⇔
      12 ✓
    • -2--10
      ⇔
      8 ✓
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