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
- 1.68 − 18 =
- 2.75 − 16 =
- 3.52 − 35 =
- 4.73 − 12 =
- 5.81 − 52 =
- 6.92 − 69 =
- 7.61 − 49 =
- 8.65 − 29 =
- 9.65 − 39 =
- 10.72 − 57 =
- 11.58 − 41 =
- 12.58 − 16 =
- 13.98 − 71 =
- 14.93 − 81 =
- 15.97 − 71 =
- 16.87 − 69 =
- 17.54 − 31 =
- 18.63 − 51 =
- 19.83 − 47 =
- 20.71 − 12 =
- 21.55 − 12 =
- 22.67 − 34 =
- 23.55 − 45 =
- 24.88 − 57 =
- 25.64 − 18 =
- 26.55 − 15 =
- 27.69 − 41 =
- 28.95 − 29 =
- 29.91 − 68 =
- 30.85 − 29 =
- 31.84 − 43 =
- 32.71 − 58 =
- 33.52 − 33 =
- 34.70 − 25 =
- 35.69 − 18 =
- 36.53 − 17 =
- 37.81 − 57 =
- 38.94 − 55 =
- 39.70 − 45 =
- 40.70 − 22 =
Answer key
- 50
- 59
- 17
- 61
- 29
- 23
- 12
- 36
- 26
- 15
- 17
- 42
- 27
- 12
- 26
- 18
- 23
- 12
- 36
- 59
- 43
- 33
- 10
- 31
- 46
- 40
- 28
- 66
- 23
- 56
- 41
- 13
- 19
- 45
- 51
- 36
- 24
- 39
- 25
- 48
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths