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
- 1.93 − 64 =
- 2.67 − 21 =
- 3.85 − 15 =
- 4.78 − 48 =
- 5.53 − 14 =
- 6.62 − 37 =
- 7.82 − 44 =
- 8.76 − 39 =
- 9.96 − 24 =
- 10.78 − 47 =
- 11.91 − 76 =
- 12.79 − 29 =
- 13.65 − 43 =
- 14.60 − 26 =
- 15.98 − 21 =
- 16.53 − 41 =
- 17.81 − 54 =
- 18.53 − 28 =
- 19.63 − 46 =
- 20.53 − 35 =
- 21.91 − 43 =
- 22.73 − 25 =
- 23.64 − 52 =
- 24.56 − 41 =
- 25.76 − 38 =
- 26.95 − 68 =
- 27.55 − 21 =
- 28.75 − 47 =
- 29.93 − 81 =
- 30.65 − 27 =
- 31.66 − 31 =
- 32.68 − 42 =
- 33.78 − 29 =
- 34.83 − 46 =
- 35.76 − 58 =
- 36.79 − 48 =
- 37.80 − 36 =
- 38.92 − 35 =
- 39.53 − 43 =
- 40.75 − 61 =
Answer key
- 29
- 46
- 70
- 30
- 39
- 25
- 38
- 37
- 72
- 31
- 15
- 50
- 22
- 34
- 77
- 12
- 27
- 25
- 17
- 18
- 48
- 48
- 12
- 15
- 38
- 27
- 34
- 28
- 12
- 38
- 35
- 26
- 49
- 37
- 18
- 31
- 44
- 57
- 10
- 14
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths