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
- 1.52 − 27 =
- 2.60 − 15 =
- 3.86 − 21 =
- 4.59 − 16 =
- 5.82 − 22 =
- 6.80 − 19 =
- 7.74 − 59 =
- 8.61 − 25 =
- 9.89 − 17 =
- 10.84 − 66 =
- 11.91 − 18 =
- 12.65 − 45 =
- 13.62 − 34 =
- 14.62 − 51 =
- 15.60 − 21 =
- 16.83 − 34 =
- 17.91 − 44 =
- 18.95 − 72 =
- 19.82 − 63 =
- 20.78 − 62 =
- 21.98 − 61 =
- 22.62 − 48 =
- 23.75 − 56 =
- 24.85 − 46 =
- 25.54 − 21 =
- 26.54 − 41 =
- 27.86 − 76 =
- 28.57 − 31 =
- 29.83 − 69 =
- 30.97 − 32 =
- 31.56 − 33 =
- 32.79 − 13 =
- 33.75 − 26 =
- 34.73 − 41 =
- 35.59 − 35 =
- 36.57 − 37 =
- 37.86 − 67 =
- 38.76 − 33 =
- 39.86 − 45 =
- 40.96 − 67 =
Answer key
- 25
- 45
- 65
- 43
- 60
- 61
- 15
- 36
- 72
- 18
- 73
- 20
- 28
- 11
- 39
- 49
- 47
- 23
- 19
- 16
- 37
- 14
- 19
- 39
- 33
- 13
- 10
- 26
- 14
- 65
- 23
- 66
- 49
- 32
- 24
- 20
- 19
- 43
- 41
- 29
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths