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
- 1.71 − 17 =
- 2.84 − 41 =
- 3.90 − 18 =
- 4.55 − 32 =
- 5.54 − 29 =
- 6.54 − 43 =
- 7.66 − 31 =
- 8.75 − 63 =
- 9.93 − 66 =
- 10.65 − 44 =
- 11.78 − 42 =
- 12.98 − 47 =
- 13.74 − 45 =
- 14.79 − 31 =
- 15.99 − 12 =
- 16.88 − 22 =
- 17.52 − 19 =
- 18.70 − 16 =
- 19.95 − 13 =
- 20.75 − 31 =
- 21.77 − 32 =
- 22.92 − 47 =
- 23.67 − 27 =
- 24.69 − 46 =
- 25.55 − 21 =
- 26.65 − 42 =
- 27.86 − 26 =
- 28.64 − 17 =
- 29.64 − 27 =
- 30.56 − 41 =
- 31.65 − 18 =
- 32.85 − 52 =
- 33.68 − 28 =
- 34.55 − 28 =
- 35.54 − 41 =
- 36.55 − 19 =
- 37.96 − 48 =
- 38.76 − 31 =
- 39.96 − 31 =
- 40.97 − 81 =
Answer key
- 54
- 43
- 72
- 23
- 25
- 11
- 35
- 12
- 27
- 21
- 36
- 51
- 29
- 48
- 87
- 66
- 33
- 54
- 82
- 44
- 45
- 45
- 40
- 23
- 34
- 23
- 60
- 47
- 37
- 15
- 47
- 33
- 40
- 27
- 13
- 36
- 48
- 45
- 65
- 16
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths