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
- 1.73 − 55 =
- 2.83 − 51 =
- 3.63 − 34 =
- 4.98 − 51 =
- 5.60 − 33 =
- 6.62 − 33 =
- 7.94 − 55 =
- 8.53 − 33 =
- 9.56 − 28 =
- 10.63 − 27 =
- 11.58 − 38 =
- 12.54 − 24 =
- 13.92 − 47 =
- 14.64 − 22 =
- 15.64 − 16 =
- 16.55 − 18 =
- 17.77 − 43 =
- 18.69 − 36 =
- 19.58 − 18 =
- 20.65 − 31 =
- 21.95 − 71 =
- 22.65 − 43 =
- 23.58 − 13 =
- 24.56 − 22 =
- 25.58 − 36 =
- 26.99 − 59 =
- 27.78 − 61 =
- 28.61 − 22 =
- 29.91 − 65 =
- 30.60 − 41 =
- 31.90 − 37 =
- 32.86 − 52 =
- 33.61 − 29 =
- 34.95 − 51 =
- 35.78 − 48 =
- 36.52 − 41 =
- 37.77 − 56 =
- 38.95 − 38 =
- 39.91 − 14 =
- 40.98 − 61 =
Answer key
- 18
- 32
- 29
- 47
- 27
- 29
- 39
- 20
- 28
- 36
- 20
- 30
- 45
- 42
- 48
- 37
- 34
- 33
- 40
- 34
- 24
- 22
- 45
- 34
- 22
- 40
- 17
- 39
- 26
- 19
- 53
- 34
- 32
- 44
- 30
- 11
- 21
- 57
- 77
- 37
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths