Mental Subtraction Worksheet for Class 2 and 3
How to do it in your head (Tens first): Keep the first number as it is. Take away the tens of the second number. Take away the ones (bridge back through a ten if you need to).
NameDateTime takenScore ___ / 40
- 1.72 − 16 =
- 2.85 − 31 =
- 3.60 − 12 =
- 4.70 − 12 =
- 5.74 − 19 =
- 6.70 − 52 =
- 7.92 − 52 =
- 8.58 − 17 =
- 9.72 − 35 =
- 10.88 − 45 =
- 11.73 − 38 =
- 12.73 − 48 =
- 13.68 − 56 =
- 14.95 − 81 =
- 15.72 − 21 =
- 16.96 − 82 =
- 17.69 − 44 =
- 18.99 − 15 =
- 19.97 − 34 =
- 20.61 − 13 =
- 21.98 − 14 =
- 22.74 − 17 =
- 23.63 − 33 =
- 24.66 − 33 =
- 25.97 − 64 =
- 26.53 − 27 =
- 27.81 − 68 =
- 28.99 − 42 =
- 29.92 − 71 =
- 30.76 − 26 =
- 31.57 − 21 =
- 32.94 − 16 =
- 33.82 − 51 =
- 34.98 − 17 =
- 35.74 − 47 =
- 36.62 − 46 =
- 37.76 − 35 =
- 38.84 − 64 =
- 39.59 − 13 =
- 40.82 − 21 =
Answer key
- 56
- 54
- 48
- 58
- 55
- 18
- 40
- 41
- 37
- 43
- 35
- 25
- 12
- 14
- 51
- 14
- 25
- 84
- 63
- 48
- 84
- 57
- 30
- 33
- 33
- 26
- 13
- 57
- 21
- 50
- 36
- 78
- 31
- 81
- 27
- 16
- 41
- 20
- 46
- 61
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths