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
- 1.62 − 48 =
- 2.73 − 39 =
- 3.78 − 15 =
- 4.62 − 38 =
- 5.53 − 13 =
- 6.66 − 22 =
- 7.85 − 29 =
- 8.85 − 21 =
- 9.93 − 53 =
- 10.60 − 15 =
- 11.71 − 22 =
- 12.55 − 29 =
- 13.78 − 16 =
- 14.87 − 42 =
- 15.76 − 24 =
- 16.81 − 28 =
- 17.75 − 23 =
- 18.67 − 54 =
- 19.88 − 78 =
- 20.67 − 23 =
- 21.60 − 24 =
- 22.79 − 62 =
- 23.71 − 26 =
- 24.98 − 44 =
- 25.76 − 35 =
- 26.79 − 18 =
- 27.65 − 28 =
- 28.57 − 33 =
- 29.78 − 25 =
- 30.77 − 63 =
- 31.60 − 45 =
- 32.64 − 36 =
- 33.62 − 17 =
- 34.67 − 31 =
- 35.97 − 28 =
- 36.69 − 48 =
- 37.82 − 64 =
- 38.70 − 56 =
- 39.65 − 53 =
- 40.92 − 31 =
Answer key
- 14
- 34
- 63
- 24
- 40
- 44
- 56
- 64
- 40
- 45
- 49
- 26
- 62
- 45
- 52
- 53
- 52
- 13
- 10
- 44
- 36
- 17
- 45
- 54
- 41
- 61
- 37
- 24
- 53
- 14
- 15
- 28
- 45
- 36
- 69
- 21
- 18
- 14
- 12
- 61
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths