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
- 1.64 − 23 =
- 2.73 − 22 =
- 3.71 − 55 =
- 4.94 − 31 =
- 5.65 − 14 =
- 6.86 − 76 =
- 7.74 − 22 =
- 8.59 − 39 =
- 9.70 − 54 =
- 10.54 − 37 =
- 11.57 − 21 =
- 12.97 − 34 =
- 13.77 − 34 =
- 14.71 − 25 =
- 15.56 − 41 =
- 16.95 − 75 =
- 17.52 − 31 =
- 18.71 − 37 =
- 19.71 − 43 =
- 20.93 − 12 =
- 21.82 − 16 =
- 22.90 − 71 =
- 23.55 − 23 =
- 24.52 − 16 =
- 25.96 − 55 =
- 26.52 − 25 =
- 27.99 − 51 =
- 28.55 − 28 =
- 29.81 − 13 =
- 30.52 − 32 =
- 31.62 − 34 =
- 32.64 − 15 =
- 33.84 − 62 =
- 34.52 − 41 =
- 35.92 − 64 =
- 36.76 − 33 =
- 37.77 − 66 =
- 38.94 − 49 =
- 39.56 − 15 =
- 40.67 − 12 =
Answer key
- 41
- 51
- 16
- 63
- 51
- 10
- 52
- 20
- 16
- 17
- 36
- 63
- 43
- 46
- 15
- 20
- 21
- 34
- 28
- 81
- 66
- 19
- 32
- 36
- 41
- 27
- 48
- 27
- 68
- 20
- 28
- 49
- 22
- 11
- 28
- 43
- 11
- 45
- 41
- 55
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths