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
- 1.63 − 23 =
- 2.78 − 16 =
- 3.85 − 42 =
- 4.73 − 58 =
- 5.99 − 19 =
- 6.60 − 19 =
- 7.79 − 47 =
- 8.69 − 57 =
- 9.57 − 17 =
- 10.98 − 21 =
- 11.77 − 55 =
- 12.79 − 63 =
- 13.79 − 32 =
- 14.59 − 22 =
- 15.59 − 38 =
- 16.87 − 74 =
- 17.80 − 65 =
- 18.89 − 41 =
- 19.66 − 22 =
- 20.58 − 24 =
- 21.58 − 26 =
- 22.64 − 53 =
- 23.96 − 42 =
- 24.71 − 13 =
- 25.95 − 14 =
- 26.81 − 67 =
- 27.94 − 58 =
- 28.52 − 39 =
- 29.54 − 13 =
- 30.72 − 22 =
- 31.93 − 57 =
- 32.65 − 29 =
- 33.62 − 41 =
- 34.92 − 61 =
- 35.91 − 19 =
- 36.61 − 16 =
- 37.99 − 27 =
- 38.65 − 32 =
- 39.69 − 24 =
- 40.93 − 16 =
Answer key
- 40
- 62
- 43
- 15
- 80
- 41
- 32
- 12
- 40
- 77
- 22
- 16
- 47
- 37
- 21
- 13
- 15
- 48
- 44
- 34
- 32
- 11
- 54
- 58
- 81
- 14
- 36
- 13
- 41
- 50
- 36
- 36
- 21
- 31
- 72
- 45
- 72
- 33
- 45
- 77
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths