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
- 1.86 − 67 =
- 2.89 − 75 =
- 3.56 − 32 =
- 4.90 − 71 =
- 5.60 − 17 =
- 6.59 − 23 =
- 7.65 − 54 =
- 8.61 − 37 =
- 9.57 − 13 =
- 10.88 − 55 =
- 11.79 − 29 =
- 12.64 − 51 =
- 13.77 − 62 =
- 14.96 − 47 =
- 15.95 − 73 =
- 16.54 − 17 =
- 17.63 − 12 =
- 18.52 − 25 =
- 19.90 − 73 =
- 20.57 − 17 =
- 21.56 − 19 =
- 22.85 − 35 =
- 23.97 − 23 =
- 24.99 − 53 =
- 25.65 − 53 =
- 26.81 − 44 =
- 27.81 − 28 =
- 28.95 − 28 =
- 29.74 − 52 =
- 30.76 − 54 =
- 31.80 − 55 =
- 32.56 − 33 =
- 33.84 − 44 =
- 34.55 − 23 =
- 35.80 − 71 =
- 36.74 − 43 =
- 37.75 − 42 =
- 38.84 − 42 =
- 39.69 − 12 =
- 40.87 − 26 =
Answer key
- 19
- 14
- 24
- 19
- 43
- 36
- 11
- 24
- 44
- 33
- 50
- 13
- 15
- 49
- 22
- 37
- 51
- 27
- 17
- 40
- 37
- 50
- 74
- 46
- 12
- 37
- 53
- 67
- 22
- 22
- 25
- 23
- 40
- 32
- 9
- 31
- 33
- 42
- 57
- 61
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths