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
- 1.74 − 39 =
- 2.64 − 45 =
- 3.54 − 19 =
- 4.84 − 38 =
- 5.62 − 46 =
- 6.63 − 46 =
- 7.80 − 39 =
- 8.97 − 33 =
- 9.54 − 44 =
- 10.53 − 42 =
- 11.99 − 86 =
- 12.89 − 43 =
- 13.58 − 38 =
- 14.97 − 27 =
- 15.76 − 61 =
- 16.88 − 15 =
- 17.83 − 53 =
- 18.82 − 59 =
- 19.58 − 35 =
- 20.52 − 36 =
- 21.96 − 29 =
- 22.91 − 52 =
- 23.69 − 29 =
- 24.92 − 58 =
- 25.77 − 57 =
- 26.84 − 42 =
- 27.95 − 46 =
- 28.88 − 29 =
- 29.73 − 18 =
- 30.78 − 16 =
- 31.63 − 51 =
- 32.54 − 39 =
- 33.94 − 31 =
- 34.94 − 17 =
- 35.97 − 58 =
- 36.99 − 38 =
- 37.54 − 13 =
- 38.66 − 16 =
- 39.81 − 45 =
- 40.95 − 31 =
Answer key
- 35
- 19
- 35
- 46
- 16
- 17
- 41
- 64
- 10
- 11
- 13
- 46
- 20
- 70
- 15
- 73
- 30
- 23
- 23
- 16
- 67
- 39
- 40
- 34
- 20
- 42
- 49
- 59
- 55
- 62
- 12
- 15
- 63
- 77
- 39
- 61
- 41
- 50
- 36
- 64
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths