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
- 1.54 − 41 =
- 2.95 − 23 =
- 3.97 − 86 =
- 4.81 − 18 =
- 5.65 − 12 =
- 6.64 − 46 =
- 7.59 − 31 =
- 8.93 − 35 =
- 9.81 − 44 =
- 10.62 − 51 =
- 11.86 − 47 =
- 12.83 − 28 =
- 13.76 − 54 =
- 14.95 − 21 =
- 15.56 − 35 =
- 16.68 − 37 =
- 17.70 − 47 =
- 18.66 − 43 =
- 19.99 − 58 =
- 20.84 − 62 =
- 21.64 − 41 =
- 22.68 − 13 =
- 23.64 − 15 =
- 24.79 − 31 =
- 25.65 − 44 =
- 26.54 − 18 =
- 27.76 − 63 =
- 28.81 − 17 =
- 29.97 − 62 =
- 30.62 − 13 =
- 31.78 − 21 =
- 32.54 − 39 =
- 33.69 − 43 =
- 34.86 − 58 =
- 35.71 − 51 =
- 36.83 − 51 =
- 37.79 − 21 =
- 38.78 − 68 =
- 39.59 − 29 =
- 40.73 − 21 =
Answer key
- 13
- 72
- 11
- 63
- 53
- 18
- 28
- 58
- 37
- 11
- 39
- 55
- 22
- 74
- 21
- 31
- 23
- 23
- 41
- 22
- 23
- 55
- 49
- 48
- 21
- 36
- 13
- 64
- 35
- 49
- 57
- 15
- 26
- 28
- 20
- 32
- 58
- 10
- 30
- 52
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths