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 − 41 =
- 2.54 − 23 =
- 3.53 − 15 =
- 4.93 − 61 =
- 5.65 − 33 =
- 6.63 − 35 =
- 7.62 − 28 =
- 8.69 − 41 =
- 9.91 − 68 =
- 10.60 − 45 =
- 11.58 − 16 =
- 12.92 − 61 =
- 13.81 − 17 =
- 14.78 − 14 =
- 15.90 − 68 =
- 16.78 − 24 =
- 17.53 − 25 =
- 18.62 − 51 =
- 19.96 − 18 =
- 20.68 − 21 =
- 21.52 − 31 =
- 22.95 − 19 =
- 23.78 − 51 =
- 24.85 − 36 =
- 25.54 − 37 =
- 26.66 − 35 =
- 27.92 − 15 =
- 28.86 − 76 =
- 29.70 − 22 =
- 30.82 − 51 =
- 31.55 − 41 =
- 32.72 − 15 =
- 33.67 − 31 =
- 34.71 − 26 =
- 35.58 − 14 =
- 36.52 − 39 =
- 37.74 − 43 =
- 38.83 − 37 =
- 39.63 − 44 =
- 40.87 − 51 =
Answer key
- 20
- 31
- 38
- 32
- 32
- 28
- 34
- 28
- 23
- 15
- 42
- 31
- 64
- 64
- 22
- 54
- 28
- 11
- 78
- 47
- 21
- 76
- 27
- 49
- 17
- 31
- 77
- 10
- 48
- 31
- 14
- 57
- 36
- 45
- 44
- 13
- 31
- 46
- 19
- 36
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths