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
- 1.78 − 12 =
- 2.63 − 42 =
- 3.97 − 77 =
- 4.92 − 51 =
- 5.56 − 26 =
- 6.87 − 15 =
- 7.94 − 31 =
- 8.92 − 81 =
- 9.64 − 32 =
- 10.60 − 19 =
- 11.84 − 35 =
- 12.64 − 33 =
- 13.80 − 62 =
- 14.88 − 77 =
- 15.88 − 41 =
- 16.52 − 25 =
- 17.96 − 65 =
- 18.98 − 13 =
- 19.54 − 22 =
- 20.74 − 52 =
- 21.95 − 45 =
- 22.96 − 48 =
- 23.95 − 78 =
- 24.63 − 17 =
- 25.89 − 77 =
- 26.87 − 62 =
- 27.85 − 62 =
- 28.60 − 25 =
- 29.79 − 21 =
- 30.80 − 37 =
- 31.92 − 44 =
- 32.65 − 14 =
- 33.60 − 37 =
- 34.93 − 35 =
- 35.94 − 17 =
- 36.83 − 51 =
- 37.92 − 26 =
- 38.68 − 46 =
- 39.61 − 49 =
- 40.57 − 33 =
Answer key
- 66
- 21
- 20
- 41
- 30
- 72
- 63
- 11
- 32
- 41
- 49
- 31
- 18
- 11
- 47
- 27
- 31
- 85
- 32
- 22
- 50
- 48
- 17
- 46
- 12
- 25
- 23
- 35
- 58
- 43
- 48
- 51
- 23
- 58
- 77
- 32
- 66
- 22
- 12
- 24
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths