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
- 1.89 − 29 =
- 2.89 − 73 =
- 3.91 − 62 =
- 4.91 − 16 =
- 5.71 − 12 =
- 6.58 − 13 =
- 7.95 − 17 =
- 8.85 − 42 =
- 9.72 − 57 =
- 10.75 − 24 =
- 11.56 − 32 =
- 12.69 − 51 =
- 13.96 − 59 =
- 14.94 − 31 =
- 15.64 − 14 =
- 16.55 − 18 =
- 17.59 − 31 =
- 18.57 − 12 =
- 19.86 − 14 =
- 20.81 − 25 =
- 21.65 − 48 =
- 22.76 − 18 =
- 23.70 − 21 =
- 24.61 − 27 =
- 25.59 − 25 =
- 26.55 − 35 =
- 27.66 − 32 =
- 28.59 − 29 =
- 29.99 − 46 =
- 30.93 − 17 =
- 31.98 − 22 =
- 32.57 − 39 =
- 33.60 − 19 =
- 34.77 − 39 =
- 35.52 − 12 =
- 36.69 − 16 =
- 37.69 − 21 =
- 38.77 − 44 =
- 39.55 − 21 =
- 40.83 − 55 =
Answer key
- 60
- 16
- 29
- 75
- 59
- 45
- 78
- 43
- 15
- 51
- 24
- 18
- 37
- 63
- 50
- 37
- 28
- 45
- 72
- 56
- 17
- 58
- 49
- 34
- 34
- 20
- 34
- 30
- 53
- 76
- 76
- 18
- 41
- 38
- 40
- 53
- 48
- 33
- 34
- 28
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths