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
- 1.62 − 23 =
- 2.81 − 24 =
- 3.67 − 44 =
- 4.57 − 26 =
- 5.94 − 81 =
- 6.88 − 72 =
- 7.55 − 18 =
- 8.65 − 13 =
- 9.85 − 21 =
- 10.76 − 36 =
- 11.83 − 63 =
- 12.60 − 36 =
- 13.92 − 23 =
- 14.72 − 33 =
- 15.64 − 32 =
- 16.94 − 14 =
- 17.91 − 45 =
- 18.76 − 43 =
- 19.95 − 29 =
- 20.67 − 33 =
- 21.91 − 62 =
- 22.86 − 26 =
- 23.71 − 39 =
- 24.57 − 12 =
- 25.93 − 41 =
- 26.83 − 29 =
- 27.86 − 71 =
- 28.80 − 27 =
- 29.74 − 44 =
- 30.87 − 14 =
- 31.86 − 27 =
- 32.96 − 64 =
- 33.67 − 31 =
- 34.70 − 21 =
- 35.86 − 58 =
- 36.78 − 12 =
- 37.65 − 22 =
- 38.54 − 13 =
- 39.69 − 51 =
- 40.92 − 52 =
Answer key
- 39
- 57
- 23
- 31
- 13
- 16
- 37
- 52
- 64
- 40
- 20
- 24
- 69
- 39
- 32
- 80
- 46
- 33
- 66
- 34
- 29
- 60
- 32
- 45
- 52
- 54
- 15
- 53
- 30
- 73
- 59
- 32
- 36
- 49
- 28
- 66
- 43
- 41
- 18
- 40
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths