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
- 1.88 − 69 =
- 2.73 − 44 =
- 3.80 − 35 =
- 4.62 − 45 =
- 5.85 − 16 =
- 6.53 − 41 =
- 7.66 − 55 =
- 8.99 − 16 =
- 9.76 − 21 =
- 10.58 − 35 =
- 11.81 − 34 =
- 12.64 − 51 =
- 13.87 − 41 =
- 14.87 − 36 =
- 15.71 − 61 =
- 16.91 − 28 =
- 17.60 − 27 =
- 18.87 − 21 =
- 19.57 − 19 =
- 20.63 − 34 =
- 21.71 − 35 =
- 22.92 − 28 =
- 23.91 − 14 =
- 24.92 − 22 =
- 25.71 − 21 =
- 26.53 − 14 =
- 27.90 − 55 =
- 28.94 − 66 =
- 29.95 − 13 =
- 30.98 − 56 =
- 31.79 − 66 =
- 32.56 − 39 =
- 33.52 − 15 =
- 34.93 − 22 =
- 35.54 − 13 =
- 36.59 − 25 =
- 37.83 − 15 =
- 38.91 − 71 =
- 39.93 − 83 =
- 40.79 − 68 =
Answer key
- 19
- 29
- 45
- 17
- 69
- 12
- 11
- 83
- 55
- 23
- 47
- 13
- 46
- 51
- 10
- 63
- 33
- 66
- 38
- 29
- 36
- 64
- 77
- 70
- 50
- 39
- 35
- 28
- 82
- 42
- 13
- 17
- 37
- 71
- 41
- 34
- 68
- 20
- 10
- 11
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths