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
- 1.75 − 14 =
- 2.91 − 51 =
- 3.75 − 23 =
- 4.78 − 56 =
- 5.91 − 34 =
- 6.73 − 51 =
- 7.58 − 17 =
- 8.59 − 49 =
- 9.69 − 13 =
- 10.99 − 16 =
- 11.97 − 58 =
- 12.96 − 31 =
- 13.57 − 34 =
- 14.94 − 61 =
- 15.57 − 42 =
- 16.80 − 48 =
- 17.56 − 41 =
- 18.61 − 29 =
- 19.93 − 32 =
- 20.67 − 33 =
- 21.58 − 31 =
- 22.53 − 34 =
- 23.71 − 38 =
- 24.73 − 14 =
- 25.95 − 71 =
- 26.61 − 38 =
- 27.87 − 66 =
- 28.86 − 48 =
- 29.98 − 55 =
- 30.77 − 61 =
- 31.66 − 46 =
- 32.70 − 21 =
- 33.52 − 42 =
- 34.64 − 35 =
- 35.95 − 27 =
- 36.81 − 24 =
- 37.94 − 71 =
- 38.72 − 22 =
- 39.68 − 13 =
- 40.69 − 56 =
Answer key
- 61
- 40
- 52
- 22
- 57
- 22
- 41
- 10
- 56
- 83
- 39
- 65
- 23
- 33
- 15
- 32
- 15
- 32
- 61
- 34
- 27
- 19
- 33
- 59
- 24
- 23
- 21
- 38
- 43
- 16
- 20
- 49
- 10
- 29
- 68
- 57
- 23
- 50
- 55
- 13
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths