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
- 1.83 − 17 =
- 2.91 − 17 =
- 3.70 − 19 =
- 4.63 − 51 =
- 5.70 − 51 =
- 6.64 − 24 =
- 7.68 − 13 =
- 8.60 − 41 =
- 9.64 − 23 =
- 10.61 − 46 =
- 11.67 − 42 =
- 12.65 − 21 =
- 13.76 − 49 =
- 14.86 − 46 =
- 15.61 − 38 =
- 16.59 − 17 =
- 17.90 − 25 =
- 18.55 − 27 =
- 19.78 − 23 =
- 20.84 − 32 =
- 21.58 − 21 =
- 22.75 − 51 =
- 23.52 − 24 =
- 24.77 − 49 =
- 25.72 − 46 =
- 26.65 − 22 =
- 27.64 − 13 =
- 28.65 − 31 =
- 29.67 − 17 =
- 30.54 − 41 =
- 31.77 − 47 =
- 32.81 − 38 =
- 33.88 − 15 =
- 34.93 − 51 =
- 35.93 − 79 =
- 36.61 − 19 =
- 37.74 − 21 =
- 38.79 − 14 =
- 39.58 − 29 =
- 40.84 − 66 =
Answer key
- 66
- 74
- 51
- 12
- 19
- 40
- 55
- 19
- 41
- 15
- 25
- 44
- 27
- 40
- 23
- 42
- 65
- 28
- 55
- 52
- 37
- 24
- 28
- 28
- 26
- 43
- 51
- 34
- 50
- 13
- 30
- 43
- 73
- 42
- 14
- 42
- 53
- 65
- 29
- 18
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths