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
- 1.97 − 29 =
- 2.70 − 51 =
- 3.86 − 18 =
- 4.66 − 12 =
- 5.53 − 27 =
- 6.98 − 72 =
- 7.72 − 17 =
- 8.92 − 24 =
- 9.82 − 47 =
- 10.74 − 38 =
- 11.65 − 28 =
- 12.90 − 37 =
- 13.54 − 19 =
- 14.95 − 38 =
- 15.52 − 33 =
- 16.61 − 28 =
- 17.92 − 52 =
- 18.96 − 58 =
- 19.99 − 38 =
- 20.54 − 12 =
- 21.99 − 77 =
- 22.80 − 45 =
- 23.57 − 25 =
- 24.98 − 41 =
- 25.65 − 32 =
- 26.90 − 18 =
- 27.75 − 58 =
- 28.63 − 47 =
- 29.91 − 45 =
- 30.54 − 31 =
- 31.96 − 41 =
- 32.55 − 22 =
- 33.58 − 18 =
- 34.82 − 41 =
- 35.96 − 32 =
- 36.61 − 31 =
- 37.80 − 13 =
- 38.58 − 27 =
- 39.69 − 31 =
- 40.93 − 47 =
Answer key
- 68
- 19
- 68
- 54
- 26
- 26
- 55
- 68
- 35
- 36
- 37
- 53
- 35
- 57
- 19
- 33
- 40
- 38
- 61
- 42
- 22
- 35
- 32
- 57
- 33
- 72
- 17
- 16
- 46
- 23
- 55
- 33
- 40
- 41
- 64
- 30
- 67
- 31
- 38
- 46
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths