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
- 1.70 − 37 =
- 2.66 − 21 =
- 3.67 − 37 =
- 4.68 − 12 =
- 5.93 − 26 =
- 6.88 − 14 =
- 7.99 − 69 =
- 8.66 − 32 =
- 9.90 − 16 =
- 10.54 − 31 =
- 11.96 − 35 =
- 12.93 − 81 =
- 13.66 − 13 =
- 14.78 − 29 =
- 15.64 − 28 =
- 16.90 − 76 =
- 17.93 − 32 =
- 18.93 − 76 =
- 19.71 − 46 =
- 20.86 − 27 =
- 21.55 − 21 =
- 22.63 − 47 =
- 23.80 − 41 =
- 24.57 − 42 =
- 25.85 − 36 =
- 26.60 − 41 =
- 27.60 − 26 =
- 28.75 − 58 =
- 29.84 − 38 =
- 30.65 − 43 =
- 31.58 − 32 =
- 32.60 − 32 =
- 33.81 − 21 =
- 34.70 − 36 =
- 35.97 − 63 =
- 36.93 − 72 =
- 37.60 − 48 =
- 38.61 − 24 =
- 39.54 − 33 =
- 40.82 − 12 =
Answer key
- 33
- 45
- 30
- 56
- 67
- 74
- 30
- 34
- 74
- 23
- 61
- 12
- 53
- 49
- 36
- 14
- 61
- 17
- 25
- 59
- 34
- 16
- 39
- 15
- 49
- 19
- 34
- 17
- 46
- 22
- 26
- 28
- 60
- 34
- 34
- 21
- 12
- 37
- 21
- 70
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths