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
- 1.85 − 31 =
- 2.75 − 12 =
- 3.53 − 36 =
- 4.55 − 36 =
- 5.53 − 19 =
- 6.94 − 31 =
- 7.55 − 18 =
- 8.59 − 39 =
- 9.95 − 31 =
- 10.90 − 61 =
- 11.98 − 64 =
- 12.79 − 51 =
- 13.53 − 13 =
- 14.98 − 59 =
- 15.55 − 32 =
- 16.88 − 29 =
- 17.53 − 43 =
- 18.91 − 55 =
- 19.62 − 39 =
- 20.92 − 31 =
- 21.64 − 14 =
- 22.93 − 41 =
- 23.88 − 35 =
- 24.53 − 28 =
- 25.56 − 14 =
- 26.69 − 38 =
- 27.72 − 27 =
- 28.73 − 51 =
- 29.93 − 71 =
- 30.98 − 25 =
- 31.68 − 31 =
- 32.87 − 23 =
- 33.81 − 41 =
- 34.57 − 12 =
- 35.65 − 33 =
- 36.68 − 56 =
- 37.73 − 25 =
- 38.63 − 16 =
- 39.59 − 15 =
- 40.77 − 22 =
Answer key
- 54
- 63
- 17
- 19
- 34
- 63
- 37
- 20
- 64
- 29
- 34
- 28
- 40
- 39
- 23
- 59
- 10
- 36
- 23
- 61
- 50
- 52
- 53
- 25
- 42
- 31
- 45
- 22
- 22
- 73
- 37
- 64
- 40
- 45
- 32
- 12
- 48
- 47
- 44
- 55
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths