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
- 1.59 − 32 =
- 2.81 − 34 =
- 3.54 − 15 =
- 4.68 − 29 =
- 5.54 − 26 =
- 6.87 − 69 =
- 7.74 − 56 =
- 8.55 − 43 =
- 9.81 − 17 =
- 10.85 − 29 =
- 11.98 − 79 =
- 12.82 − 29 =
- 13.52 − 38 =
- 14.52 − 41 =
- 15.84 − 12 =
- 16.60 − 26 =
- 17.91 − 27 =
- 18.64 − 42 =
- 19.85 − 56 =
- 20.75 − 21 =
- 21.85 − 71 =
- 22.76 − 44 =
- 23.73 − 39 =
- 24.53 − 36 =
- 25.92 − 51 =
- 26.89 − 13 =
- 27.82 − 21 =
- 28.58 − 28 =
- 29.80 − 14 =
- 30.63 − 29 =
- 31.66 − 32 =
- 32.89 − 51 =
- 33.54 − 13 =
- 34.76 − 22 =
- 35.76 − 23 =
- 36.86 − 14 =
- 37.70 − 15 =
- 38.77 − 61 =
- 39.59 − 46 =
- 40.56 − 44 =
Answer key
- 27
- 47
- 39
- 39
- 28
- 18
- 18
- 12
- 64
- 56
- 19
- 53
- 14
- 11
- 72
- 34
- 64
- 22
- 29
- 54
- 14
- 32
- 34
- 17
- 41
- 76
- 61
- 30
- 66
- 34
- 34
- 38
- 41
- 54
- 53
- 72
- 55
- 16
- 13
- 12
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths