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
- 1.92 − 18 =
- 2.81 − 57 =
- 3.65 − 32 =
- 4.85 − 44 =
- 5.57 − 16 =
- 6.90 − 48 =
- 7.60 − 22 =
- 8.74 − 12 =
- 9.85 − 75 =
- 10.75 − 16 =
- 11.77 − 42 =
- 12.91 − 39 =
- 13.83 − 65 =
- 14.75 − 21 =
- 15.63 − 15 =
- 16.65 − 17 =
- 17.83 − 55 =
- 18.62 − 48 =
- 19.98 − 65 =
- 20.93 − 13 =
- 21.93 − 29 =
- 22.72 − 17 =
- 23.64 − 49 =
- 24.52 − 17 =
- 25.83 − 14 =
- 26.77 − 31 =
- 27.81 − 37 =
- 28.67 − 22 =
- 29.91 − 24 =
- 30.68 − 29 =
- 31.97 − 51 =
- 32.78 − 51 =
- 33.94 − 65 =
- 34.65 − 13 =
- 35.53 − 33 =
- 36.59 − 15 =
- 37.69 − 55 =
- 38.80 − 66 =
- 39.76 − 36 =
- 40.73 − 44 =
Answer key
- 74
- 24
- 33
- 41
- 41
- 42
- 38
- 62
- 10
- 59
- 35
- 52
- 18
- 54
- 48
- 48
- 28
- 14
- 33
- 80
- 64
- 55
- 15
- 35
- 69
- 46
- 44
- 45
- 67
- 39
- 46
- 27
- 29
- 52
- 20
- 44
- 14
- 14
- 40
- 29
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths