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
- 1.95 − 75 =
- 2.85 − 71 =
- 3.86 − 18 =
- 4.78 − 31 =
- 5.76 − 43 =
- 6.78 − 54 =
- 7.88 − 35 =
- 8.64 − 54 =
- 9.98 − 33 =
- 10.92 − 51 =
- 11.70 − 24 =
- 12.89 − 77 =
- 13.89 − 36 =
- 14.88 − 51 =
- 15.75 − 27 =
- 16.95 − 25 =
- 17.97 − 85 =
- 18.84 − 47 =
- 19.99 − 25 =
- 20.54 − 17 =
- 21.80 − 71 =
- 22.77 − 51 =
- 23.95 − 69 =
- 24.61 − 32 =
- 25.85 − 37 =
- 26.89 − 55 =
- 27.99 − 66 =
- 28.91 − 75 =
- 29.74 − 15 =
- 30.94 − 51 =
- 31.63 − 18 =
- 32.74 − 45 =
- 33.86 − 38 =
- 34.64 − 49 =
- 35.66 − 37 =
- 36.83 − 58 =
- 37.69 − 52 =
- 38.69 − 31 =
- 39.80 − 54 =
- 40.92 − 66 =
Answer key
- 20
- 14
- 68
- 47
- 33
- 24
- 53
- 10
- 65
- 41
- 46
- 12
- 53
- 37
- 48
- 70
- 12
- 37
- 74
- 37
- 9
- 26
- 26
- 29
- 48
- 34
- 33
- 16
- 59
- 43
- 45
- 29
- 48
- 15
- 29
- 25
- 17
- 38
- 26
- 26
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths