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
- 1.79 − 54 =
- 2.61 − 16 =
- 3.77 − 64 =
- 4.86 − 18 =
- 5.56 − 36 =
- 6.94 − 31 =
- 7.53 − 12 =
- 8.65 − 39 =
- 9.79 − 35 =
- 10.76 − 14 =
- 11.80 − 52 =
- 12.80 − 54 =
- 13.95 − 14 =
- 14.58 − 21 =
- 15.67 − 35 =
- 16.94 − 37 =
- 17.95 − 67 =
- 18.60 − 17 =
- 19.61 − 14 =
- 20.59 − 18 =
- 21.73 − 47 =
- 22.53 − 39 =
- 23.56 − 16 =
- 24.59 − 31 =
- 25.58 − 37 =
- 26.63 − 13 =
- 27.54 − 21 =
- 28.63 − 22 =
- 29.70 − 28 =
- 30.77 − 56 =
- 31.83 − 72 =
- 32.83 − 31 =
- 33.63 − 18 =
- 34.75 − 55 =
- 35.92 − 81 =
- 36.65 − 14 =
- 37.92 − 65 =
- 38.65 − 45 =
- 39.79 − 23 =
- 40.79 − 18 =
Answer key
- 25
- 45
- 13
- 68
- 20
- 63
- 41
- 26
- 44
- 62
- 28
- 26
- 81
- 37
- 32
- 57
- 28
- 43
- 47
- 41
- 26
- 14
- 40
- 28
- 21
- 50
- 33
- 41
- 42
- 21
- 11
- 52
- 45
- 20
- 11
- 51
- 27
- 20
- 56
- 61
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths