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
- 1.56 − 24 =
- 2.91 − 33 =
- 3.63 − 28 =
- 4.57 − 37 =
- 5.59 − 36 =
- 6.61 − 19 =
- 7.58 − 31 =
- 8.87 − 51 =
- 9.83 − 67 =
- 10.60 − 34 =
- 11.70 − 36 =
- 12.55 − 16 =
- 13.86 − 21 =
- 14.94 − 74 =
- 15.88 − 17 =
- 16.58 − 44 =
- 17.58 − 17 =
- 18.94 − 31 =
- 19.65 − 21 =
- 20.53 − 18 =
- 21.60 − 12 =
- 22.86 − 71 =
- 23.89 − 42 =
- 24.53 − 19 =
- 25.60 − 15 =
- 26.92 − 49 =
- 27.74 − 57 =
- 28.89 − 52 =
- 29.77 − 45 =
- 30.65 − 53 =
- 31.77 − 21 =
- 32.76 − 31 =
- 33.84 − 56 =
- 34.88 − 29 =
- 35.60 − 42 =
- 36.61 − 17 =
- 37.61 − 13 =
- 38.84 − 41 =
- 39.55 − 42 =
- 40.81 − 27 =
Answer key
- 32
- 58
- 35
- 20
- 23
- 42
- 27
- 36
- 16
- 26
- 34
- 39
- 65
- 20
- 71
- 14
- 41
- 63
- 44
- 35
- 48
- 15
- 47
- 34
- 45
- 43
- 17
- 37
- 32
- 12
- 56
- 45
- 28
- 59
- 18
- 44
- 48
- 43
- 13
- 54
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths