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
- 1.62 − 33 =
- 2.65 − 47 =
- 3.79 − 49 =
- 4.87 − 31 =
- 5.83 − 35 =
- 6.64 − 37 =
- 7.97 − 13 =
- 8.93 − 36 =
- 9.96 − 76 =
- 10.88 − 68 =
- 11.70 − 21 =
- 12.99 − 26 =
- 13.74 − 49 =
- 14.83 − 71 =
- 15.93 − 64 =
- 16.61 − 32 =
- 17.63 − 46 =
- 18.90 − 78 =
- 19.92 − 19 =
- 20.75 − 53 =
- 21.62 − 21 =
- 22.79 − 16 =
- 23.59 − 25 =
- 24.91 − 43 =
- 25.93 − 79 =
- 26.83 − 26 =
- 27.99 − 73 =
- 28.74 − 39 =
- 29.90 − 38 =
- 30.57 − 14 =
- 31.86 − 61 =
- 32.61 − 19 =
- 33.70 − 42 =
- 34.89 − 51 =
- 35.74 − 59 =
- 36.95 − 32 =
- 37.81 − 48 =
- 38.97 − 36 =
- 39.55 − 43 =
- 40.71 − 52 =
Answer key
- 29
- 18
- 30
- 56
- 48
- 27
- 84
- 57
- 20
- 20
- 49
- 73
- 25
- 12
- 29
- 29
- 17
- 12
- 73
- 22
- 41
- 63
- 34
- 48
- 14
- 57
- 26
- 35
- 52
- 43
- 25
- 42
- 28
- 38
- 15
- 63
- 33
- 61
- 12
- 19
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths