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
- 1.52 − 21 =
- 2.94 − 18 =
- 3.93 − 73 =
- 4.84 − 71 =
- 5.54 − 25 =
- 6.53 − 27 =
- 7.76 − 21 =
- 8.59 − 46 =
- 9.88 − 31 =
- 10.83 − 68 =
- 11.81 − 45 =
- 12.71 − 47 =
- 13.63 − 19 =
- 14.54 − 15 =
- 15.81 − 18 =
- 16.78 − 28 =
- 17.56 − 43 =
- 18.99 − 26 =
- 19.94 − 78 =
- 20.89 − 36 =
- 21.86 − 19 =
- 22.91 − 14 =
- 23.52 − 16 =
- 24.61 − 28 =
- 25.69 − 13 =
- 26.79 − 13 =
- 27.70 − 23 =
- 28.58 − 15 =
- 29.86 − 59 =
- 30.99 − 12 =
- 31.75 − 62 =
- 32.66 − 41 =
- 33.57 − 31 =
- 34.86 − 68 =
- 35.70 − 28 =
- 36.94 − 33 =
- 37.64 − 54 =
- 38.60 − 49 =
- 39.79 − 26 =
- 40.58 − 23 =
Answer key
- 31
- 76
- 20
- 13
- 29
- 26
- 55
- 13
- 57
- 15
- 36
- 24
- 44
- 39
- 63
- 50
- 13
- 73
- 16
- 53
- 67
- 77
- 36
- 33
- 56
- 66
- 47
- 43
- 27
- 87
- 13
- 25
- 26
- 18
- 42
- 61
- 10
- 11
- 53
- 35
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths