Q.1
What is the missing number: 12 + ? = 20
  • 18
  • 8
  • 22
  • 12
Q.2
Which number is missing: ? + 5 = 20
  • 50
  • 15
  • 5
  • 20
Q.3
Which fact would help you solve: 10 - ? = 4
  • 8 + 2 = 10
  • 10 + 4 = 14
  • 4 + 6 = 10
  • 10 + 6 = 16
Q.4
If 95 + 5 = 100 is true, which of the following is not true?
  • 95 + 95 = 100
  • 5 + 95 = 100
  • 100 - 95 = 5
  • 100 - 5 = 95
Q.5
What is the missing number: 20 - ? = 7
  • 70
  • 30
  • 3
  • 13
Q.6
If 15 + 85 = 100 is true, which of the following is not true?
  • 100 - 15 = 85
  • 100 - 85 = 100
  • 100 - 85 = 15
  • 85 + 15 = 100
Q.7
If 16 + 84 = 100 is true, which of the following is not true?
  • 84 + 16 = 100
  • 100 - 84 = 16
  • 16 + 16 = 84
  • 100 - 16 = 84
Q.8
You could use 100 - 25 = 75 to help you solve:
  • 25 + 75
  • 75 - 25
  • 75 - 100
  • 25 - 100
Q.9
You could use 45 + 55 = 100 to help you solve:
  • 100 - 5
  • 40 + 500
  • 100 - 20
  • 100 - 55
Q.10
Which number is missing: 100 - ? = 20
  • 12
  • 18
  • 20
  • 80
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