Q.1
5.87 x 100 = ?
  • 587
  • 5870
  • 0.587
  • 0.0587
Q.2
What is the best method of multiplying 81 by 99?
  • Multiply by 100 then subtract 81
  • Multiply by 10 then add 81
  • Multiply by 100 then add 81
  • Multiply by 10 then subtract 81
Q.3
What is the best method of multiplying 72 by 15?
  • Multiply by 10 then halve
  • Multiply by 10, halve the result, then add the two parts together
  • Multiply by 10, divide by 5, then add the two numbers
  • Divide by 10 then double
Q.4
2.43 x 10 = ?
  • 2.430
  • 24.3
  • 243
  • 0.243
Q.5
Which strategy would be best to multiply 53 by 25?
  • Multiply by 100 then double
  • Multiply by 4 then 100
  • Multiply by 100 then divide by 4
  • Divide by 4 then double
Q.6
How could we find an eighth of a number?
  • Multiply it by 4
  • Multiply it by 8
  • Divide it by 8
  • Divide it by 4
Q.7
Which gives the answer 91?
  • (6 + 5) x (8 - 3) + 6 =
  • (6 + 5 x 8) - (3 + 6) =
  • 6 + 5 x (8 - 3) + 6 =
  • (6 + 5) x 8 - 3 + 6 =
Q.8
On a calculator the answer to a division question is 5.What fraction is the remainder?
  • Half
  • Quarter
  • Third
  • Eighth
Q.9
Which of these methods would result in finding ⁄ ?
  • Half one third twice
  • Half one quarter twice
  • Double one quarter twice
  • Double one sixth
Q.10
Which strategy would be best to multiply 93 by 101?
  • Multiply by 10 then add 93
  • Multiply by 100 then add 93
  • Multiply by 100 then subtract 93
  • Multiply by 10 then subtract 93
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