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
- 1.74 − 49 =
- 2.83 − 35 =
- 3.55 − 25 =
- 4.52 − 41 =
- 5.62 − 18 =
- 6.62 − 29 =
- 7.77 − 67 =
- 8.55 − 44 =
- 9.97 − 41 =
- 10.56 − 13 =
- 11.92 − 21 =
- 12.80 − 56 =
- 13.70 − 47 =
- 14.78 − 17 =
- 15.62 − 52 =
- 16.92 − 63 =
- 17.53 − 23 =
- 18.85 − 41 =
- 19.89 − 49 =
- 20.63 − 14 =
- 21.71 − 47 =
- 22.65 − 37 =
- 23.77 − 48 =
- 24.55 − 16 =
- 25.75 − 39 =
- 26.67 − 55 =
- 27.89 − 78 =
- 28.86 − 19 =
- 29.95 − 57 =
- 30.60 − 25 =
- 31.70 − 32 =
- 32.73 − 34 =
- 33.72 − 48 =
- 34.79 − 22 =
- 35.92 − 72 =
- 36.97 − 44 =
- 37.88 − 36 =
- 38.53 − 22 =
- 39.81 − 56 =
- 40.63 − 43 =
Answer key
- 25
- 48
- 30
- 11
- 44
- 33
- 10
- 11
- 56
- 43
- 71
- 24
- 23
- 61
- 10
- 29
- 30
- 44
- 40
- 49
- 24
- 28
- 29
- 39
- 36
- 12
- 11
- 67
- 38
- 35
- 38
- 39
- 24
- 57
- 20
- 53
- 52
- 31
- 25
- 20
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths