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
- 1.61 − 29 =
- 2.62 − 35 =
- 3.67 − 31 =
- 4.78 − 12 =
- 5.74 − 62 =
- 6.80 − 58 =
- 7.89 − 45 =
- 8.88 − 76 =
- 9.77 − 37 =
- 10.60 − 18 =
- 11.78 − 35 =
- 12.89 − 28 =
- 13.56 − 37 =
- 14.85 − 65 =
- 15.57 − 34 =
- 16.84 − 21 =
- 17.82 − 41 =
- 18.60 − 24 =
- 19.52 − 21 =
- 20.96 − 24 =
- 21.97 − 69 =
- 22.72 − 21 =
- 23.70 − 13 =
- 24.82 − 28 =
- 25.82 − 47 =
- 26.88 − 14 =
- 27.55 − 38 =
- 28.56 − 21 =
- 29.54 − 42 =
- 30.67 − 55 =
- 31.86 − 14 =
- 32.86 − 18 =
- 33.64 − 51 =
- 34.90 − 64 =
- 35.84 − 46 =
- 36.62 − 42 =
- 37.73 − 52 =
- 38.99 − 64 =
- 39.76 − 62 =
- 40.52 − 42 =
Answer key
- 32
- 27
- 36
- 66
- 12
- 22
- 44
- 12
- 40
- 42
- 43
- 61
- 19
- 20
- 23
- 63
- 41
- 36
- 31
- 72
- 28
- 51
- 57
- 54
- 35
- 74
- 17
- 35
- 12
- 12
- 72
- 68
- 13
- 26
- 38
- 20
- 21
- 35
- 14
- 10
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths