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
- 1.93 − 45 =
- 2.83 − 17 =
- 3.83 − 63 =
- 4.99 − 58 =
- 5.58 − 31 =
- 6.55 − 41 =
- 7.97 − 29 =
- 8.65 − 43 =
- 9.62 − 42 =
- 10.87 − 21 =
- 11.69 − 16 =
- 12.60 − 22 =
- 13.85 − 48 =
- 14.59 − 13 =
- 15.77 − 57 =
- 16.67 − 34 =
- 17.67 − 32 =
- 18.60 − 41 =
- 19.62 − 12 =
- 20.99 − 89 =
- 21.63 − 46 =
- 22.55 − 14 =
- 23.86 − 13 =
- 24.95 − 73 =
- 25.71 − 51 =
- 26.60 − 43 =
- 27.54 − 28 =
- 28.91 − 48 =
- 29.80 − 62 =
- 30.82 − 31 =
- 31.89 − 75 =
- 32.68 − 15 =
- 33.64 − 47 =
- 34.54 − 16 =
- 35.60 − 13 =
- 36.60 − 12 =
- 37.88 − 74 =
- 38.92 − 27 =
- 39.99 − 64 =
- 40.56 − 35 =
Answer key
- 48
- 66
- 20
- 41
- 27
- 14
- 68
- 22
- 20
- 66
- 53
- 38
- 37
- 46
- 20
- 33
- 35
- 19
- 50
- 10
- 17
- 41
- 73
- 22
- 20
- 17
- 26
- 43
- 18
- 51
- 14
- 53
- 17
- 38
- 47
- 48
- 14
- 65
- 35
- 21
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths