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
- 1.91 − 51 =
- 2.83 − 25 =
- 3.63 − 43 =
- 4.78 − 43 =
- 5.52 − 33 =
- 6.97 − 26 =
- 7.96 − 26 =
- 8.63 − 48 =
- 9.59 − 16 =
- 10.82 − 27 =
- 11.97 − 16 =
- 12.58 − 43 =
- 13.87 − 51 =
- 14.81 − 62 =
- 15.63 − 46 =
- 16.71 − 26 =
- 17.96 − 41 =
- 18.67 − 22 =
- 19.75 − 46 =
- 20.74 − 43 =
- 21.69 − 29 =
- 22.74 − 18 =
- 23.57 − 31 =
- 24.95 − 15 =
- 25.68 − 42 =
- 26.53 − 21 =
- 27.84 − 43 =
- 28.82 − 21 =
- 29.84 − 58 =
- 30.69 − 58 =
- 31.70 − 51 =
- 32.75 − 16 =
- 33.83 − 48 =
- 34.76 − 21 =
- 35.81 − 21 =
- 36.90 − 14 =
- 37.78 − 49 =
- 38.61 − 16 =
- 39.76 − 48 =
- 40.84 − 73 =
Answer key
- 40
- 58
- 20
- 35
- 19
- 71
- 70
- 15
- 43
- 55
- 81
- 15
- 36
- 19
- 17
- 45
- 55
- 45
- 29
- 31
- 40
- 56
- 26
- 80
- 26
- 32
- 41
- 61
- 26
- 11
- 19
- 59
- 35
- 55
- 60
- 76
- 29
- 45
- 28
- 11
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths