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
- 1.83 − 19 =
- 2.64 − 41 =
- 3.78 − 65 =
- 4.84 − 27 =
- 5.71 − 23 =
- 6.60 − 25 =
- 7.76 − 65 =
- 8.98 − 71 =
- 9.58 − 32 =
- 10.68 − 45 =
- 11.64 − 51 =
- 12.96 − 18 =
- 13.53 − 26 =
- 14.89 − 16 =
- 15.93 − 16 =
- 16.79 − 62 =
- 17.99 − 22 =
- 18.66 − 46 =
- 19.52 − 41 =
- 20.87 − 14 =
- 21.63 − 17 =
- 22.59 − 42 =
- 23.88 − 42 =
- 24.80 − 22 =
- 25.67 − 28 =
- 26.56 − 31 =
- 27.88 − 31 =
- 28.63 − 48 =
- 29.86 − 56 =
- 30.65 − 48 =
- 31.99 − 87 =
- 32.79 − 64 =
- 33.76 − 66 =
- 34.76 − 45 =
- 35.92 − 71 =
- 36.54 − 37 =
- 37.53 − 34 =
- 38.64 − 44 =
- 39.54 − 33 =
- 40.82 − 72 =
Answer key
- 64
- 23
- 13
- 57
- 48
- 35
- 11
- 27
- 26
- 23
- 13
- 78
- 27
- 73
- 77
- 17
- 77
- 20
- 11
- 73
- 46
- 17
- 46
- 58
- 39
- 25
- 57
- 15
- 30
- 17
- 12
- 15
- 10
- 31
- 21
- 17
- 19
- 20
- 21
- 10
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths