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
- 1.60 − 37 =
- 2.58 − 16 =
- 3.90 − 36 =
- 4.79 − 14 =
- 5.56 − 31 =
- 6.69 − 39 =
- 7.61 − 22 =
- 8.93 − 29 =
- 9.54 − 31 =
- 10.53 − 23 =
- 11.77 − 31 =
- 12.52 − 16 =
- 13.79 − 41 =
- 14.81 − 67 =
- 15.85 − 71 =
- 16.97 − 38 =
- 17.88 − 29 =
- 18.98 − 27 =
- 19.82 − 13 =
- 20.75 − 64 =
- 21.88 − 34 =
- 22.63 − 24 =
- 23.76 − 34 =
- 24.58 − 27 =
- 25.60 − 43 =
- 26.55 − 27 =
- 27.71 − 55 =
- 28.60 − 25 =
- 29.80 − 56 =
- 30.61 − 15 =
- 31.99 − 42 =
- 32.78 − 31 =
- 33.52 − 19 =
- 34.80 − 61 =
- 35.95 − 62 =
- 36.58 − 47 =
- 37.85 − 17 =
- 38.65 − 51 =
- 39.96 − 36 =
- 40.57 − 31 =
Answer key
- 23
- 42
- 54
- 65
- 25
- 30
- 39
- 64
- 23
- 30
- 46
- 36
- 38
- 14
- 14
- 59
- 59
- 71
- 69
- 11
- 54
- 39
- 42
- 31
- 17
- 28
- 16
- 35
- 24
- 46
- 57
- 47
- 33
- 19
- 33
- 11
- 68
- 14
- 60
- 26
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths