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
- 1.77 − 28 =
- 2.69 − 12 =
- 3.85 − 48 =
- 4.79 − 64 =
- 5.59 − 14 =
- 6.99 − 63 =
- 7.68 − 29 =
- 8.63 − 12 =
- 9.88 − 58 =
- 10.74 − 52 =
- 11.76 − 25 =
- 12.58 − 44 =
- 13.95 − 34 =
- 14.94 − 21 =
- 15.91 − 16 =
- 16.86 − 61 =
- 17.80 − 27 =
- 18.94 − 46 =
- 19.87 − 59 =
- 20.92 − 72 =
- 21.90 − 22 =
- 22.84 − 24 =
- 23.76 − 42 =
- 24.96 − 36 =
- 25.89 − 19 =
- 26.79 − 58 =
- 27.93 − 57 =
- 28.58 − 21 =
- 29.76 − 31 =
- 30.55 − 14 =
- 31.58 − 19 =
- 32.54 − 32 =
- 33.82 − 54 =
- 34.67 − 34 =
- 35.83 − 39 =
- 36.52 − 35 =
- 37.52 − 15 =
- 38.87 − 68 =
- 39.54 − 31 =
- 40.80 − 59 =
Answer key
- 49
- 57
- 37
- 15
- 45
- 36
- 39
- 51
- 30
- 22
- 51
- 14
- 61
- 73
- 75
- 25
- 53
- 48
- 28
- 20
- 68
- 60
- 34
- 60
- 70
- 21
- 36
- 37
- 45
- 41
- 39
- 22
- 28
- 33
- 44
- 17
- 37
- 19
- 23
- 21
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths