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
- 1.54 − 42 =
- 2.98 − 42 =
- 3.77 − 28 =
- 4.63 − 41 =
- 5.72 − 35 =
- 6.93 − 28 =
- 7.58 − 12 =
- 8.53 − 43 =
- 9.57 − 21 =
- 10.98 − 51 =
- 11.52 − 37 =
- 12.80 − 24 =
- 13.91 − 36 =
- 14.63 − 15 =
- 15.91 − 47 =
- 16.95 − 46 =
- 17.54 − 24 =
- 18.88 − 13 =
- 19.89 − 44 =
- 20.52 − 15 =
- 21.70 − 36 =
- 22.87 − 23 =
- 23.67 − 47 =
- 24.90 − 49 =
- 25.66 − 38 =
- 26.94 − 43 =
- 27.63 − 33 =
- 28.60 − 42 =
- 29.88 − 41 =
- 30.71 − 33 =
- 31.81 − 12 =
- 32.78 − 48 =
- 33.97 − 39 =
- 34.78 − 22 =
- 35.87 − 27 =
- 36.70 − 18 =
- 37.92 − 18 =
- 38.79 − 46 =
- 39.85 − 54 =
- 40.92 − 25 =
Answer key
- 12
- 56
- 49
- 22
- 37
- 65
- 46
- 10
- 36
- 47
- 15
- 56
- 55
- 48
- 44
- 49
- 30
- 75
- 45
- 37
- 34
- 64
- 20
- 41
- 28
- 51
- 30
- 18
- 47
- 38
- 69
- 30
- 58
- 56
- 60
- 52
- 74
- 33
- 31
- 67
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths