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 − 18 =
- 2.63 − 37 =
- 3.86 − 45 =
- 4.75 − 43 =
- 5.97 − 33 =
- 6.89 − 69 =
- 7.93 − 64 =
- 8.83 − 57 =
- 9.97 − 54 =
- 10.81 − 41 =
- 11.59 − 42 =
- 12.71 − 45 =
- 13.77 − 46 =
- 14.52 − 19 =
- 15.78 − 29 =
- 16.58 − 15 =
- 17.78 − 21 =
- 18.71 − 34 =
- 19.98 − 46 =
- 20.52 − 14 =
- 21.66 − 25 =
- 22.86 − 49 =
- 23.64 − 14 =
- 24.85 − 63 =
- 25.52 − 41 =
- 26.70 − 48 =
- 27.55 − 34 =
- 28.84 − 73 =
- 29.75 − 39 =
- 30.82 − 36 =
- 31.80 − 31 =
- 32.94 − 16 =
- 33.60 − 48 =
- 34.85 − 51 =
- 35.71 − 35 =
- 36.64 − 28 =
- 37.57 − 31 =
- 38.66 − 31 =
- 39.76 − 21 =
- 40.97 − 72 =
Answer key
- 49
- 26
- 41
- 32
- 64
- 20
- 29
- 26
- 43
- 40
- 17
- 26
- 31
- 33
- 49
- 43
- 57
- 37
- 52
- 38
- 41
- 37
- 50
- 22
- 11
- 22
- 21
- 11
- 36
- 46
- 49
- 78
- 12
- 34
- 36
- 36
- 26
- 35
- 55
- 25
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths