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
- 1.53 − 42 =
- 2.68 − 18 =
- 3.77 − 61 =
- 4.63 − 41 =
- 5.73 − 56 =
- 6.56 − 28 =
- 7.73 − 15 =
- 8.66 − 15 =
- 9.93 − 33 =
- 10.53 − 18 =
- 11.81 − 37 =
- 12.74 − 29 =
- 13.84 − 37 =
- 14.53 − 25 =
- 15.89 − 43 =
- 16.74 − 59 =
- 17.85 − 23 =
- 18.96 − 81 =
- 19.71 − 41 =
- 20.70 − 28 =
- 21.86 − 63 =
- 22.59 − 36 =
- 23.59 − 21 =
- 24.61 − 21 =
- 25.90 − 73 =
- 26.80 − 17 =
- 27.88 − 31 =
- 28.80 − 35 =
- 29.54 − 21 =
- 30.72 − 29 =
- 31.55 − 15 =
- 32.72 − 17 =
- 33.57 − 38 =
- 34.65 − 51 =
- 35.73 − 13 =
- 36.58 − 17 =
- 37.96 − 31 =
- 38.62 − 41 =
- 39.69 − 33 =
- 40.58 − 23 =
Answer key
- 11
- 50
- 16
- 22
- 17
- 28
- 58
- 51
- 60
- 35
- 44
- 45
- 47
- 28
- 46
- 15
- 62
- 15
- 30
- 42
- 23
- 23
- 38
- 40
- 17
- 63
- 57
- 45
- 33
- 43
- 40
- 55
- 19
- 14
- 60
- 41
- 65
- 21
- 36
- 35
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths