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
- 1.92 − 61 =
- 2.93 − 67 =
- 3.87 − 77 =
- 4.58 − 31 =
- 5.69 − 25 =
- 6.99 − 51 =
- 7.79 − 45 =
- 8.60 − 23 =
- 9.81 − 21 =
- 10.54 − 13 =
- 11.69 − 16 =
- 12.83 − 58 =
- 13.82 − 34 =
- 14.60 − 14 =
- 15.92 − 59 =
- 16.58 − 35 =
- 17.76 − 43 =
- 18.70 − 14 =
- 19.66 − 22 =
- 20.86 − 68 =
- 21.75 − 13 =
- 22.73 − 63 =
- 23.93 − 22 =
- 24.72 − 21 =
- 25.96 − 19 =
- 26.95 − 14 =
- 27.66 − 36 =
- 28.66 − 54 =
- 29.99 − 66 =
- 30.79 − 16 =
- 31.62 − 42 =
- 32.55 − 12 =
- 33.61 − 21 =
- 34.98 − 46 =
- 35.64 − 13 =
- 36.68 − 53 =
- 37.67 − 14 =
- 38.85 − 61 =
- 39.93 − 71 =
- 40.77 − 59 =
Answer key
- 31
- 26
- 10
- 27
- 44
- 48
- 34
- 37
- 60
- 41
- 53
- 25
- 48
- 46
- 33
- 23
- 33
- 56
- 44
- 18
- 62
- 10
- 71
- 51
- 77
- 81
- 30
- 12
- 33
- 63
- 20
- 43
- 40
- 52
- 51
- 15
- 53
- 24
- 22
- 18
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths