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
- 1.94 − 72 =
- 2.66 − 17 =
- 3.52 − 41 =
- 4.86 − 21 =
- 5.87 − 73 =
- 6.69 − 45 =
- 7.80 − 25 =
- 8.54 − 17 =
- 9.76 − 39 =
- 10.72 − 31 =
- 11.68 − 21 =
- 12.65 − 15 =
- 13.80 − 69 =
- 14.66 − 21 =
- 15.59 − 17 =
- 16.66 − 18 =
- 17.97 − 45 =
- 18.87 − 74 =
- 19.73 − 24 =
- 20.65 − 37 =
- 21.78 − 29 =
- 22.87 − 31 =
- 23.77 − 66 =
- 24.66 − 41 =
- 25.57 − 29 =
- 26.86 − 76 =
- 27.86 − 61 =
- 28.73 − 56 =
- 29.64 − 21 =
- 30.76 − 21 =
- 31.63 − 19 =
- 32.95 − 33 =
- 33.62 − 39 =
- 34.63 − 24 =
- 35.59 − 49 =
- 36.58 − 39 =
- 37.56 − 46 =
- 38.96 − 18 =
- 39.78 − 57 =
- 40.95 − 83 =
Answer key
- 22
- 49
- 11
- 65
- 14
- 24
- 55
- 37
- 37
- 41
- 47
- 50
- 11
- 45
- 42
- 48
- 52
- 13
- 49
- 28
- 49
- 56
- 11
- 25
- 28
- 10
- 25
- 17
- 43
- 55
- 44
- 62
- 23
- 39
- 10
- 19
- 10
- 78
- 21
- 12
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths