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
- 1.79 − 41 =
- 2.57 − 27 =
- 3.81 − 12 =
- 4.78 − 61 =
- 5.55 − 41 =
- 6.82 − 17 =
- 7.92 − 63 =
- 8.77 − 17 =
- 9.79 − 34 =
- 10.98 − 58 =
- 11.87 − 74 =
- 12.61 − 35 =
- 13.66 − 44 =
- 14.95 − 13 =
- 15.91 − 65 =
- 16.93 − 18 =
- 17.77 − 64 =
- 18.99 − 52 =
- 19.67 − 12 =
- 20.80 − 71 =
- 21.64 − 32 =
- 22.84 − 31 =
- 23.80 − 33 =
- 24.83 − 73 =
- 25.88 − 46 =
- 26.96 − 66 =
- 27.73 − 59 =
- 28.58 − 22 =
- 29.53 − 18 =
- 30.71 − 12 =
- 31.63 − 29 =
- 32.71 − 25 =
- 33.66 − 35 =
- 34.76 − 15 =
- 35.85 − 29 =
- 36.66 − 54 =
- 37.84 − 62 =
- 38.83 − 24 =
- 39.95 − 28 =
- 40.72 − 16 =
Answer key
- 38
- 30
- 69
- 17
- 14
- 65
- 29
- 60
- 45
- 40
- 13
- 26
- 22
- 82
- 26
- 75
- 13
- 47
- 55
- 9
- 32
- 53
- 47
- 10
- 42
- 30
- 14
- 36
- 35
- 59
- 34
- 46
- 31
- 61
- 56
- 12
- 22
- 59
- 67
- 56
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths