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
- 1.70 − 25 =
- 2.66 − 22 =
- 3.84 − 28 =
- 4.97 − 19 =
- 5.57 − 29 =
- 6.58 − 15 =
- 7.75 − 13 =
- 8.91 − 61 =
- 9.77 − 66 =
- 10.79 − 61 =
- 11.90 − 63 =
- 12.72 − 29 =
- 13.98 − 74 =
- 14.86 − 17 =
- 15.54 − 31 =
- 16.74 − 31 =
- 17.92 − 67 =
- 18.69 − 21 =
- 19.93 − 23 =
- 20.80 − 41 =
- 21.87 − 49 =
- 22.90 − 19 =
- 23.61 − 15 =
- 24.97 − 86 =
- 25.54 − 41 =
- 26.92 − 65 =
- 27.63 − 21 =
- 28.69 − 39 =
- 29.81 − 66 =
- 30.58 − 33 =
- 31.67 − 15 =
- 32.83 − 52 =
- 33.62 − 49 =
- 34.83 − 58 =
- 35.91 − 36 =
- 36.62 − 48 =
- 37.93 − 67 =
- 38.72 − 36 =
- 39.99 − 58 =
- 40.95 − 71 =
Answer key
- 45
- 44
- 56
- 78
- 28
- 43
- 62
- 30
- 11
- 18
- 27
- 43
- 24
- 69
- 23
- 43
- 25
- 48
- 70
- 39
- 38
- 71
- 46
- 11
- 13
- 27
- 42
- 30
- 15
- 25
- 52
- 31
- 13
- 25
- 55
- 14
- 26
- 36
- 41
- 24
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths