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
- 1.89 − 18 =
- 2.53 − 13 =
- 3.96 − 47 =
- 4.79 − 16 =
- 5.94 − 14 =
- 6.89 − 45 =
- 7.76 − 53 =
- 8.88 − 68 =
- 9.70 − 31 =
- 10.90 − 77 =
- 11.62 − 48 =
- 12.88 − 16 =
- 13.78 − 29 =
- 14.91 − 45 =
- 15.93 − 53 =
- 16.78 − 17 =
- 17.70 − 53 =
- 18.68 − 17 =
- 19.58 − 19 =
- 20.90 − 29 =
- 21.68 − 21 =
- 22.62 − 43 =
- 23.89 − 34 =
- 24.90 − 66 =
- 25.73 − 41 =
- 26.61 − 44 =
- 27.57 − 33 =
- 28.85 − 55 =
- 29.64 − 28 =
- 30.85 − 18 =
- 31.65 − 33 =
- 32.67 − 23 =
- 33.74 − 49 =
- 34.81 − 49 =
- 35.90 − 43 =
- 36.64 − 41 =
- 37.89 − 23 =
- 38.52 − 21 =
- 39.58 − 43 =
- 40.83 − 27 =
Answer key
- 71
- 40
- 49
- 63
- 80
- 44
- 23
- 20
- 39
- 13
- 14
- 72
- 49
- 46
- 40
- 61
- 17
- 51
- 39
- 61
- 47
- 19
- 55
- 24
- 32
- 17
- 24
- 30
- 36
- 67
- 32
- 44
- 25
- 32
- 47
- 23
- 66
- 31
- 15
- 56
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths