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
- 1.89 − 25 =
- 2.91 − 74 =
- 3.97 − 24 =
- 4.58 − 14 =
- 5.71 − 29 =
- 6.66 − 48 =
- 7.88 − 16 =
- 8.75 − 56 =
- 9.61 − 45 =
- 10.61 − 27 =
- 11.69 − 55 =
- 12.91 − 45 =
- 13.74 − 18 =
- 14.61 − 38 =
- 15.99 − 38 =
- 16.62 − 13 =
- 17.79 − 43 =
- 18.98 − 83 =
- 19.90 − 19 =
- 20.60 − 39 =
- 21.78 − 15 =
- 22.57 − 12 =
- 23.67 − 27 =
- 24.76 − 24 =
- 25.62 − 35 =
- 26.90 − 58 =
- 27.63 − 37 =
- 28.66 − 35 =
- 29.64 − 31 =
- 30.92 − 35 =
- 31.77 − 22 =
- 32.65 − 25 =
- 33.56 − 27 =
- 34.80 − 61 =
- 35.59 − 48 =
- 36.98 − 37 =
- 37.93 − 51 =
- 38.92 − 76 =
- 39.52 − 39 =
- 40.53 − 19 =
Answer key
- 64
- 17
- 73
- 44
- 42
- 18
- 72
- 19
- 16
- 34
- 14
- 46
- 56
- 23
- 61
- 49
- 36
- 15
- 71
- 21
- 63
- 45
- 40
- 52
- 27
- 32
- 26
- 31
- 33
- 57
- 55
- 40
- 29
- 19
- 11
- 61
- 42
- 16
- 13
- 34
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths