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
- 1.61 − 18 =
- 2.98 − 79 =
- 3.83 − 34 =
- 4.87 − 21 =
- 5.53 − 37 =
- 6.93 − 36 =
- 7.84 − 34 =
- 8.76 − 54 =
- 9.71 − 44 =
- 10.54 − 41 =
- 11.91 − 81 =
- 12.61 − 41 =
- 13.67 − 54 =
- 14.84 − 17 =
- 15.80 − 15 =
- 16.83 − 52 =
- 17.89 − 14 =
- 18.61 − 47 =
- 19.64 − 16 =
- 20.82 − 64 =
- 21.57 − 17 =
- 22.56 − 13 =
- 23.94 − 16 =
- 24.61 − 28 =
- 25.87 − 18 =
- 26.59 − 19 =
- 27.94 − 23 =
- 28.92 − 38 =
- 29.92 − 33 =
- 30.66 − 35 =
- 31.78 − 35 =
- 32.64 − 54 =
- 33.74 − 31 =
- 34.74 − 26 =
- 35.70 − 38 =
- 36.75 − 58 =
- 37.87 − 76 =
- 38.64 − 53 =
- 39.58 − 48 =
- 40.77 − 21 =
Answer key
- 43
- 19
- 49
- 66
- 16
- 57
- 50
- 22
- 27
- 13
- 10
- 20
- 13
- 67
- 65
- 31
- 75
- 14
- 48
- 18
- 40
- 43
- 78
- 33
- 69
- 40
- 71
- 54
- 59
- 31
- 43
- 10
- 43
- 48
- 32
- 17
- 11
- 11
- 10
- 56
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths