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 − 57 =
- 2.94 − 27 =
- 3.85 − 13 =
- 4.52 − 17 =
- 5.73 − 42 =
- 6.91 − 76 =
- 7.73 − 26 =
- 8.98 − 24 =
- 9.88 − 51 =
- 10.71 − 21 =
- 11.59 − 48 =
- 12.74 − 38 =
- 13.57 − 27 =
- 14.59 − 49 =
- 15.89 − 21 =
- 16.97 − 42 =
- 17.61 − 41 =
- 18.56 − 36 =
- 19.85 − 14 =
- 20.55 − 41 =
- 21.99 − 55 =
- 22.77 − 61 =
- 23.84 − 27 =
- 24.98 − 76 =
- 25.80 − 33 =
- 26.80 − 51 =
- 27.78 − 56 =
- 28.74 − 41 =
- 29.81 − 42 =
- 30.65 − 41 =
- 31.80 − 17 =
- 32.58 − 12 =
- 33.92 − 49 =
- 34.94 − 17 =
- 35.83 − 64 =
- 36.64 − 53 =
- 37.92 − 55 =
- 38.73 − 53 =
- 39.95 − 41 =
- 40.67 − 22 =
Answer key
- 13
- 67
- 72
- 35
- 31
- 15
- 47
- 74
- 37
- 50
- 11
- 36
- 30
- 10
- 68
- 55
- 20
- 20
- 71
- 14
- 44
- 16
- 57
- 22
- 47
- 29
- 22
- 33
- 39
- 24
- 63
- 46
- 43
- 77
- 19
- 11
- 37
- 20
- 54
- 45
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths