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
- 1.65 − 33 =
- 2.98 − 33 =
- 3.67 − 51 =
- 4.67 − 12 =
- 5.64 − 45 =
- 6.66 − 39 =
- 7.93 − 27 =
- 8.63 − 21 =
- 9.84 − 59 =
- 10.91 − 32 =
- 11.78 − 44 =
- 12.54 − 41 =
- 13.52 − 31 =
- 14.91 − 58 =
- 15.96 − 54 =
- 16.64 − 18 =
- 17.69 − 13 =
- 18.58 − 31 =
- 19.68 − 46 =
- 20.69 − 21 =
- 21.56 − 39 =
- 22.81 − 58 =
- 23.92 − 76 =
- 24.60 − 21 =
- 25.75 − 51 =
- 26.71 − 18 =
- 27.96 − 41 =
- 28.53 − 19 =
- 29.64 − 24 =
- 30.94 − 19 =
- 31.62 − 17 =
- 32.73 − 57 =
- 33.98 − 41 =
- 34.76 − 17 =
- 35.62 − 45 =
- 36.73 − 14 =
- 37.98 − 25 =
- 38.71 − 19 =
- 39.94 − 45 =
- 40.54 − 36 =
Answer key
- 32
- 65
- 16
- 55
- 19
- 27
- 66
- 42
- 25
- 59
- 34
- 13
- 21
- 33
- 42
- 46
- 56
- 27
- 22
- 48
- 17
- 23
- 16
- 39
- 24
- 53
- 55
- 34
- 40
- 75
- 45
- 16
- 57
- 59
- 17
- 59
- 73
- 52
- 49
- 18
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths