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
- 1.66 − 34 =
- 2.91 − 63 =
- 3.59 − 44 =
- 4.55 − 16 =
- 5.95 − 64 =
- 6.76 − 19 =
- 7.61 − 25 =
- 8.63 − 27 =
- 9.82 − 34 =
- 10.87 − 31 =
- 11.57 − 43 =
- 12.77 − 14 =
- 13.67 − 37 =
- 14.66 − 14 =
- 15.87 − 21 =
- 16.80 − 56 =
- 17.89 − 47 =
- 18.73 − 13 =
- 19.81 − 18 =
- 20.55 − 18 =
- 21.53 − 23 =
- 22.98 − 21 =
- 23.74 − 41 =
- 24.86 − 41 =
- 25.57 − 22 =
- 26.69 − 27 =
- 27.63 − 37 =
- 28.71 − 36 =
- 29.96 − 72 =
- 30.53 − 38 =
- 31.54 − 12 =
- 32.72 − 22 =
- 33.97 − 15 =
- 34.55 − 32 =
- 35.87 − 28 =
- 36.60 − 44 =
- 37.99 − 74 =
- 38.79 − 26 =
- 39.92 − 41 =
- 40.94 − 75 =
Answer key
- 32
- 28
- 15
- 39
- 31
- 57
- 36
- 36
- 48
- 56
- 14
- 63
- 30
- 52
- 66
- 24
- 42
- 60
- 63
- 37
- 30
- 77
- 33
- 45
- 35
- 42
- 26
- 35
- 24
- 15
- 42
- 50
- 82
- 23
- 59
- 16
- 25
- 53
- 51
- 19
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths