Addition and subtraction quiz
Warm up your brain with some mental maths.
10 multiple-choice questions, with the answer explained after each one.
Answer each question, see why, and beat your best score.
All 10 questions and answers
Want to check an answer or run the quiz out loud? Every question is here, with the answer hidden until you open it.
- 47 + 38 = ?
- 95
- 75
- 85
- 84
Show answer
85. 47 + 40 = 87, then take away 2 to get 85.
- 92 − 57 = ?
- 25
- 35
- 45
- 39
Show answer
35. 92 − 60 = 32, then add 3 back to get 35.
- 125 + 76 = ?
- 201
- 191
- 211
- 199
Show answer
201. 125 + 75 = 200, plus 1 more makes 201.
- 300 − 148 = ?
- 252
- 162
- 152
- 148
Show answer
152. 148 + 2 = 150, and 150 + 150 = 300. So the answer is 152.
- 68 + 27 = ?
- 85
- 94
- 96
- 95
Show answer
95. 68 + 30 = 98, then subtract 3 to get 95.
- 81 − 39 = ?
- 38
- 48
- 42
- 52
Show answer
42. 81 − 40 = 41, then add 1 to get 42.
- 450 + 350 = ?
- 700
- 750
- 800
- 850
Show answer
800. 45 + 35 = 80, so 450 + 350 = 800.
- 1000 − 1 = ?
- 999
- 900
- 9999
- 990
Show answer
999. One less than a thousand.
- 63 + 59 = ?
- 112
- 121
- 122
- 132
Show answer
122. 63 + 60 = 123, then subtract 1 to get 122.
- 205 − 98 = ?
- 117
- 103
- 107
- 97
Show answer
107. 205 − 100 = 105, then add 2 to get 107.
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