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
- 1.85 − 17 =
- 2.67 − 16 =
- 3.89 − 63 =
- 4.66 − 42 =
- 5.72 − 32 =
- 6.55 − 29 =
- 7.79 − 43 =
- 8.96 − 71 =
- 9.87 − 64 =
- 10.76 − 65 =
- 11.97 − 16 =
- 12.84 − 74 =
- 13.95 − 81 =
- 14.77 − 37 =
- 15.72 − 17 =
- 16.79 − 58 =
- 17.71 − 17 =
- 18.55 − 19 =
- 19.89 − 31 =
- 20.54 − 44 =
- 21.55 − 23 =
- 22.54 − 14 =
- 23.70 − 33 =
- 24.71 − 41 =
- 25.95 − 72 =
- 26.89 − 22 =
- 27.73 − 25 =
- 28.73 − 51 =
- 29.80 − 55 =
- 30.61 − 28 =
- 31.93 − 62 =
- 32.63 − 16 =
- 33.92 − 51 =
- 34.81 − 71 =
- 35.89 − 45 =
- 36.68 − 41 =
- 37.90 − 43 =
- 38.52 − 34 =
- 39.99 − 31 =
- 40.57 − 23 =
Answer key
- 68
- 51
- 26
- 24
- 40
- 26
- 36
- 25
- 23
- 11
- 81
- 10
- 14
- 40
- 55
- 21
- 54
- 36
- 58
- 10
- 32
- 40
- 37
- 30
- 23
- 67
- 48
- 22
- 25
- 33
- 31
- 47
- 41
- 10
- 44
- 27
- 47
- 18
- 68
- 34
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths