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
- 1.57 − 21 =
- 2.97 − 21 =
- 3.59 − 32 =
- 4.88 − 74 =
- 5.65 − 41 =
- 6.72 − 61 =
- 7.52 − 18 =
- 8.57 − 41 =
- 9.80 − 55 =
- 10.77 − 15 =
- 11.91 − 21 =
- 12.72 − 41 =
- 13.59 − 48 =
- 14.60 − 44 =
- 15.80 − 62 =
- 16.77 − 29 =
- 17.98 − 55 =
- 18.94 − 68 =
- 19.74 − 18 =
- 20.66 − 21 =
- 21.81 − 35 =
- 22.57 − 19 =
- 23.74 − 23 =
- 24.56 − 23 =
- 25.78 − 21 =
- 26.97 − 53 =
- 27.78 − 44 =
- 28.78 − 26 =
- 29.85 − 61 =
- 30.55 − 13 =
- 31.95 − 69 =
- 32.83 − 25 =
- 33.63 − 39 =
- 34.87 − 16 =
- 35.72 − 21 =
- 36.84 − 68 =
- 37.58 − 27 =
- 38.70 − 24 =
- 39.67 − 21 =
- 40.91 − 67 =
Answer key
- 36
- 76
- 27
- 14
- 24
- 11
- 34
- 16
- 25
- 62
- 70
- 31
- 11
- 16
- 18
- 48
- 43
- 26
- 56
- 45
- 46
- 38
- 51
- 33
- 57
- 44
- 34
- 52
- 24
- 42
- 26
- 58
- 24
- 71
- 51
- 16
- 31
- 46
- 46
- 24
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths