Q.1
Increase 450 by 230.
  • 220
  • 280
  • 580
  • 680
Q.2
Decrease 2.5 by 1.8.
  • 0.6
  • 0.7
  • 1.7
  • 4.3
Q.3
What is the best method of adding 0.9?
  • Add 1 subtract 1
  • Add 1 add 0.1
  • Subtract 1 subtract 0.1
  • Add 1 subtract 0.1
Q.4
Which of these pairs would not make a whole number?
  • 2.78 + 0.22
  • 3.54 + 2.46
  • 5.01 + 1.9
  • 4.97 + 2.03
Q.5
What is the best method of adding 34 + 48 + 56?
  • Find the pair that total a multiple of 100 - add these first
  • Find the pair that total a multiple of 10 - add these first
  • Add 10s first then the ones
  • Double 34 then adjust
Q.6
Which of these number sentences is incorrect?
  • 2.56 + 3.41 = 5.97
  • 5.97 - 3.41 = 2.56
  • 5.97 - 2.56 = 3.41
  • 3.41 - 2.56 = 5.97
Q.7
How many altogether are 258 and 162?
  • 320
  • 400
  • 420
  • 450
Q.8
Which strategy would be best to subtract 2.9?
  • Add 3 subtract 1
  • Subtract 3 add 0.1
  • Subtract 3 subtract 0.1
  • Subtract 3 add 1
Q.9
What is the difference between 6.3 and 2.4?
  • 2.9
  • 3.9
  • 4
  • 4.1
Q.10
Which strategy would be best to add 69 + 61 + 65 + 67?
  • (60 x 4) + (1 + 5 + 7 + 9)
  • (70 x 4) - (1 + 5 + 7 + 9)
  • (61 + 65) + (67 + 69)
  • (60 x 4) - (1 + 5 + 7 + 9)
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