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
- 1.71 − 43 =
- 2.56 − 19 =
- 3.70 − 53 =
- 4.73 − 54 =
- 5.60 − 27 =
- 6.80 − 68 =
- 7.61 − 12 =
- 8.70 − 55 =
- 9.79 − 59 =
- 10.74 − 12 =
- 11.75 − 35 =
- 12.56 − 41 =
- 13.52 − 12 =
- 14.61 − 29 =
- 15.54 − 23 =
- 16.52 − 15 =
- 17.90 − 19 =
- 18.94 − 39 =
- 19.85 − 46 =
- 20.66 − 31 =
- 21.52 − 19 =
- 22.80 − 47 =
- 23.69 − 49 =
- 24.52 − 41 =
- 25.93 − 76 =
- 26.88 − 31 =
- 27.62 − 51 =
- 28.54 − 42 =
- 29.73 − 36 =
- 30.75 − 65 =
- 31.94 − 81 =
- 32.61 − 18 =
- 33.73 − 42 =
- 34.70 − 35 =
- 35.59 − 21 =
- 36.81 − 48 =
- 37.55 − 37 =
- 38.73 − 27 =
- 39.85 − 33 =
- 40.70 − 46 =
Answer key
- 28
- 37
- 17
- 19
- 33
- 12
- 49
- 15
- 20
- 62
- 40
- 15
- 40
- 32
- 31
- 37
- 71
- 55
- 39
- 35
- 33
- 33
- 20
- 11
- 17
- 57
- 11
- 12
- 37
- 10
- 13
- 43
- 31
- 35
- 38
- 33
- 18
- 46
- 52
- 24
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths