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
- 1.69 − 17 =
- 2.63 − 18 =
- 3.74 − 15 =
- 4.99 − 39 =
- 5.83 − 27 =
- 6.87 − 73 =
- 7.58 − 39 =
- 8.92 − 57 =
- 9.64 − 26 =
- 10.78 − 57 =
- 11.58 − 24 =
- 12.90 − 31 =
- 13.87 − 21 =
- 14.64 − 21 =
- 15.94 − 67 =
- 16.65 − 34 =
- 17.52 − 19 =
- 18.77 − 17 =
- 19.98 − 41 =
- 20.63 − 51 =
- 21.72 − 35 =
- 22.78 − 51 =
- 23.78 − 21 =
- 24.69 − 59 =
- 25.95 − 12 =
- 26.62 − 44 =
- 27.82 − 25 =
- 28.52 − 38 =
- 29.98 − 16 =
- 30.79 − 16 =
- 31.76 − 41 =
- 32.66 − 53 =
- 33.90 − 72 =
- 34.98 − 51 =
- 35.90 − 67 =
- 36.53 − 41 =
- 37.77 − 19 =
- 38.61 − 37 =
- 39.69 − 33 =
- 40.65 − 29 =
Answer key
- 52
- 45
- 59
- 60
- 56
- 14
- 19
- 35
- 38
- 21
- 34
- 59
- 66
- 43
- 27
- 31
- 33
- 60
- 57
- 12
- 37
- 27
- 57
- 10
- 83
- 18
- 57
- 14
- 82
- 63
- 35
- 13
- 18
- 47
- 23
- 12
- 58
- 24
- 36
- 36
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths