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
- 1.83 − 34 =
- 2.53 − 27 =
- 3.75 − 64 =
- 4.66 − 31 =
- 5.72 − 31 =
- 6.94 − 83 =
- 7.88 − 42 =
- 8.75 − 37 =
- 9.78 − 41 =
- 10.99 − 28 =
- 11.66 − 36 =
- 12.82 − 17 =
- 13.96 − 75 =
- 14.94 − 21 =
- 15.71 − 29 =
- 16.93 − 38 =
- 17.89 − 14 =
- 18.67 − 15 =
- 19.62 − 31 =
- 20.72 − 36 =
- 21.64 − 52 =
- 22.54 − 42 =
- 23.54 − 24 =
- 24.78 − 61 =
- 25.76 − 17 =
- 26.56 − 46 =
- 27.99 − 61 =
- 28.63 − 47 =
- 29.77 − 36 =
- 30.90 − 81 =
- 31.67 − 18 =
- 32.87 − 74 =
- 33.96 − 74 =
- 34.56 − 43 =
- 35.86 − 41 =
- 36.69 − 28 =
- 37.61 − 39 =
- 38.75 − 12 =
- 39.63 − 45 =
- 40.77 − 54 =
Answer key
- 49
- 26
- 11
- 35
- 41
- 11
- 46
- 38
- 37
- 71
- 30
- 65
- 21
- 73
- 42
- 55
- 75
- 52
- 31
- 36
- 12
- 12
- 30
- 17
- 59
- 10
- 38
- 16
- 41
- 9
- 49
- 13
- 22
- 13
- 45
- 41
- 22
- 63
- 18
- 23
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths