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
- 1.80 − 19 =
- 2.97 − 16 =
- 3.77 − 63 =
- 4.74 − 61 =
- 5.80 − 28 =
- 6.59 − 43 =
- 7.76 − 31 =
- 8.75 − 33 =
- 9.78 − 37 =
- 10.85 − 51 =
- 11.73 − 25 =
- 12.64 − 54 =
- 13.72 − 13 =
- 14.65 − 49 =
- 15.90 − 55 =
- 16.63 − 45 =
- 17.60 − 47 =
- 18.59 − 15 =
- 19.66 − 41 =
- 20.63 − 41 =
- 21.56 − 39 =
- 22.90 − 64 =
- 23.62 − 33 =
- 24.87 − 61 =
- 25.66 − 36 =
- 26.90 − 18 =
- 27.71 − 52 =
- 28.90 − 43 =
- 29.63 − 23 =
- 30.74 − 57 =
- 31.91 − 77 =
- 32.70 − 52 =
- 33.82 − 22 =
- 34.94 − 66 =
- 35.56 − 33 =
- 36.64 − 15 =
- 37.55 − 18 =
- 38.75 − 51 =
- 39.71 − 12 =
- 40.62 − 13 =
Answer key
- 61
- 81
- 14
- 13
- 52
- 16
- 45
- 42
- 41
- 34
- 48
- 10
- 59
- 16
- 35
- 18
- 13
- 44
- 25
- 22
- 17
- 26
- 29
- 26
- 30
- 72
- 19
- 47
- 40
- 17
- 14
- 18
- 60
- 28
- 23
- 49
- 37
- 24
- 59
- 49
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths