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
- 1.70 − 49 =
- 2.58 − 38 =
- 3.53 − 42 =
- 4.88 − 46 =
- 5.54 − 31 =
- 6.58 − 32 =
- 7.55 − 21 =
- 8.62 − 22 =
- 9.61 − 48 =
- 10.94 − 15 =
- 11.96 − 31 =
- 12.81 − 42 =
- 13.97 − 83 =
- 14.55 − 34 =
- 15.66 − 24 =
- 16.56 − 41 =
- 17.65 − 47 =
- 18.76 − 63 =
- 19.55 − 37 =
- 20.72 − 31 =
- 21.56 − 25 =
- 22.72 − 21 =
- 23.94 − 57 =
- 24.84 − 13 =
- 25.89 − 12 =
- 26.74 − 25 =
- 27.89 − 31 =
- 28.77 − 37 =
- 29.90 − 42 =
- 30.52 − 16 =
- 31.73 − 15 =
- 32.91 − 77 =
- 33.74 − 16 =
- 34.81 − 35 =
- 35.89 − 78 =
- 36.76 − 53 =
- 37.99 − 51 =
- 38.84 − 44 =
- 39.63 − 24 =
- 40.99 − 56 =
Answer key
- 21
- 20
- 11
- 42
- 23
- 26
- 34
- 40
- 13
- 79
- 65
- 39
- 14
- 21
- 42
- 15
- 18
- 13
- 18
- 41
- 31
- 51
- 37
- 71
- 77
- 49
- 58
- 40
- 48
- 36
- 58
- 14
- 58
- 46
- 11
- 23
- 48
- 40
- 39
- 43
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths