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
- 1.67 − 18 =
- 2.95 − 12 =
- 3.56 − 13 =
- 4.76 − 58 =
- 5.92 − 46 =
- 6.75 − 29 =
- 7.81 − 12 =
- 8.53 − 21 =
- 9.88 − 61 =
- 10.58 − 42 =
- 11.53 − 12 =
- 12.53 − 23 =
- 13.67 − 31 =
- 14.64 − 25 =
- 15.90 − 31 =
- 16.73 − 21 =
- 17.93 − 44 =
- 18.93 − 65 =
- 19.90 − 81 =
- 20.86 − 28 =
- 21.89 − 14 =
- 22.56 − 31 =
- 23.67 − 19 =
- 24.90 − 41 =
- 25.72 − 62 =
- 26.97 − 36 =
- 27.97 − 13 =
- 28.65 − 14 =
- 29.91 − 67 =
- 30.99 − 12 =
- 31.92 − 29 =
- 32.90 − 51 =
- 33.92 − 74 =
- 34.87 − 18 =
- 35.78 − 66 =
- 36.52 − 28 =
- 37.86 − 68 =
- 38.60 − 17 =
- 39.79 − 62 =
- 40.92 − 37 =
Answer key
- 49
- 83
- 43
- 18
- 46
- 46
- 69
- 32
- 27
- 16
- 41
- 30
- 36
- 39
- 59
- 52
- 49
- 28
- 9
- 58
- 75
- 25
- 48
- 49
- 10
- 61
- 84
- 51
- 24
- 87
- 63
- 39
- 18
- 69
- 12
- 24
- 18
- 43
- 17
- 55
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths