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 − 31 =
- 2.64 − 43 =
- 3.72 − 36 =
- 4.75 − 41 =
- 5.82 − 59 =
- 6.59 − 14 =
- 7.63 − 52 =
- 8.85 − 34 =
- 9.55 − 18 =
- 10.79 − 55 =
- 11.84 − 71 =
- 12.81 − 33 =
- 13.88 − 31 =
- 14.85 − 65 =
- 15.62 − 42 =
- 16.90 − 78 =
- 17.87 − 54 =
- 18.76 − 62 =
- 19.76 − 52 =
- 20.60 − 22 =
- 21.65 − 31 =
- 22.99 − 19 =
- 23.92 − 63 =
- 24.57 − 12 =
- 25.57 − 38 =
- 26.96 − 33 =
- 27.79 − 28 =
- 28.60 − 19 =
- 29.58 − 19 =
- 30.96 − 71 =
- 31.85 − 48 =
- 32.63 − 13 =
- 33.66 − 24 =
- 34.59 − 13 =
- 35.90 − 56 =
- 36.54 − 39 =
- 37.93 − 22 =
- 38.70 − 43 =
- 39.85 − 44 =
- 40.85 − 29 =
Answer key
- 28
- 21
- 36
- 34
- 23
- 45
- 11
- 51
- 37
- 24
- 13
- 48
- 57
- 20
- 20
- 12
- 33
- 14
- 24
- 38
- 34
- 80
- 29
- 45
- 19
- 63
- 51
- 41
- 39
- 25
- 37
- 50
- 42
- 46
- 34
- 15
- 71
- 27
- 41
- 56
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths