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
- 1.60 − 23 =
- 2.72 − 27 =
- 3.56 − 39 =
- 4.58 − 12 =
- 5.81 − 24 =
- 6.89 − 22 =
- 7.93 − 69 =
- 8.90 − 79 =
- 9.69 − 36 =
- 10.54 − 26 =
- 11.70 − 43 =
- 12.86 − 38 =
- 13.75 − 58 =
- 14.79 − 29 =
- 15.65 − 15 =
- 16.60 − 39 =
- 17.96 − 21 =
- 18.56 − 32 =
- 19.63 − 41 =
- 20.76 − 45 =
- 21.97 − 47 =
- 22.59 − 28 =
- 23.84 − 13 =
- 24.86 − 74 =
- 25.82 − 71 =
- 26.70 − 16 =
- 27.56 − 41 =
- 28.60 − 15 =
- 29.66 − 33 =
- 30.68 − 29 =
- 31.72 − 59 =
- 32.80 − 17 =
- 33.72 − 26 =
- 34.64 − 42 =
- 35.79 − 28 =
- 36.54 − 31 =
- 37.86 − 27 =
- 38.89 − 12 =
- 39.69 − 59 =
- 40.55 − 31 =
Answer key
- 37
- 45
- 17
- 46
- 57
- 67
- 24
- 11
- 33
- 28
- 27
- 48
- 17
- 50
- 50
- 21
- 75
- 24
- 22
- 31
- 50
- 31
- 71
- 12
- 11
- 54
- 15
- 45
- 33
- 39
- 13
- 63
- 46
- 22
- 51
- 23
- 59
- 77
- 10
- 24
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths