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
- 1.54 − 33 =
- 2.89 − 71 =
- 3.79 − 27 =
- 4.71 − 31 =
- 5.59 − 31 =
- 6.78 − 68 =
- 7.80 − 16 =
- 8.55 − 24 =
- 9.74 − 58 =
- 10.56 − 31 =
- 11.68 − 45 =
- 12.58 − 13 =
- 13.76 − 33 =
- 14.62 − 31 =
- 15.96 − 31 =
- 16.73 − 61 =
- 17.86 − 37 =
- 18.61 − 12 =
- 19.91 − 79 =
- 20.62 − 35 =
- 21.54 − 22 =
- 22.82 − 12 =
- 23.77 − 38 =
- 24.90 − 71 =
- 25.90 − 49 =
- 26.91 − 71 =
- 27.55 − 13 =
- 28.77 − 58 =
- 29.65 − 47 =
- 30.95 − 57 =
- 31.84 − 73 =
- 32.60 − 13 =
- 33.87 − 27 =
- 34.52 − 12 =
- 35.87 − 17 =
- 36.57 − 39 =
- 37.98 − 85 =
- 38.68 − 22 =
- 39.93 − 22 =
- 40.67 − 22 =
Answer key
- 21
- 18
- 52
- 40
- 28
- 10
- 64
- 31
- 16
- 25
- 23
- 45
- 43
- 31
- 65
- 12
- 49
- 49
- 12
- 27
- 32
- 70
- 39
- 19
- 41
- 20
- 42
- 19
- 18
- 38
- 11
- 47
- 60
- 40
- 70
- 18
- 13
- 46
- 71
- 45
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths