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
- 1.71 − 33 =
- 2.69 − 57 =
- 3.83 − 27 =
- 4.82 − 51 =
- 5.53 − 14 =
- 6.73 − 27 =
- 7.96 − 68 =
- 8.55 − 34 =
- 9.86 − 45 =
- 10.67 − 47 =
- 11.75 − 45 =
- 12.99 − 17 =
- 13.83 − 65 =
- 14.81 − 43 =
- 15.75 − 37 =
- 16.62 − 43 =
- 17.95 − 45 =
- 18.62 − 14 =
- 19.62 − 52 =
- 20.81 − 32 =
- 21.85 − 27 =
- 22.87 − 71 =
- 23.98 − 57 =
- 24.84 − 45 =
- 25.82 − 65 =
- 26.57 − 17 =
- 27.76 − 64 =
- 28.60 − 16 =
- 29.73 − 59 =
- 30.91 − 28 =
- 31.90 − 55 =
- 32.54 − 17 =
- 33.93 − 23 =
- 34.86 − 33 =
- 35.62 − 41 =
- 36.94 − 75 =
- 37.90 − 73 =
- 38.72 − 18 =
- 39.74 − 21 =
- 40.70 − 17 =
Answer key
- 38
- 12
- 56
- 31
- 39
- 46
- 28
- 21
- 41
- 20
- 30
- 82
- 18
- 38
- 38
- 19
- 50
- 48
- 10
- 49
- 58
- 16
- 41
- 39
- 17
- 40
- 12
- 44
- 14
- 63
- 35
- 37
- 70
- 53
- 21
- 19
- 17
- 54
- 53
- 53
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths