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
- 1.67 − 41 =
- 2.54 − 23 =
- 3.97 − 49 =
- 4.83 − 14 =
- 5.82 − 46 =
- 6.85 − 41 =
- 7.78 − 45 =
- 8.56 − 25 =
- 9.67 − 47 =
- 10.89 − 59 =
- 11.63 − 49 =
- 12.56 − 26 =
- 13.62 − 15 =
- 14.97 − 26 =
- 15.90 − 17 =
- 16.64 − 53 =
- 17.98 − 15 =
- 18.67 − 32 =
- 19.92 − 52 =
- 20.70 − 34 =
- 21.92 − 42 =
- 22.74 − 51 =
- 23.79 − 39 =
- 24.66 − 18 =
- 25.87 − 43 =
- 26.61 − 25 =
- 27.89 − 69 =
- 28.97 − 79 =
- 29.58 − 19 =
- 30.80 − 33 =
- 31.75 − 21 =
- 32.94 − 77 =
- 33.60 − 27 =
- 34.64 − 16 =
- 35.57 − 15 =
- 36.86 − 43 =
- 37.60 − 13 =
- 38.76 − 48 =
- 39.94 − 28 =
- 40.85 − 35 =
Answer key
- 26
- 31
- 48
- 69
- 36
- 44
- 33
- 31
- 20
- 30
- 14
- 30
- 47
- 71
- 73
- 11
- 83
- 35
- 40
- 36
- 50
- 23
- 40
- 48
- 44
- 36
- 20
- 18
- 39
- 47
- 54
- 17
- 33
- 48
- 42
- 43
- 47
- 28
- 66
- 50
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths