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
- 1.67 − 33 =
- 2.85 − 47 =
- 3.93 − 35 =
- 4.57 − 21 =
- 5.59 − 44 =
- 6.75 − 33 =
- 7.69 − 36 =
- 8.73 − 26 =
- 9.82 − 28 =
- 10.93 − 51 =
- 11.64 − 17 =
- 12.97 − 79 =
- 13.95 − 84 =
- 14.97 − 51 =
- 15.60 − 34 =
- 16.75 − 23 =
- 17.93 − 61 =
- 18.91 − 52 =
- 19.91 − 77 =
- 20.62 − 31 =
- 21.64 − 27 =
- 22.86 − 37 =
- 23.62 − 39 =
- 24.83 − 18 =
- 25.83 − 63 =
- 26.92 − 17 =
- 27.74 − 27 =
- 28.91 − 46 =
- 29.66 − 28 =
- 30.99 − 22 =
- 31.93 − 69 =
- 32.67 − 24 =
- 33.72 − 51 =
- 34.60 − 19 =
- 35.66 − 55 =
- 36.70 − 24 =
- 37.81 − 26 =
- 38.88 − 54 =
- 39.56 − 19 =
- 40.94 − 41 =
Answer key
- 34
- 38
- 58
- 36
- 15
- 42
- 33
- 47
- 54
- 42
- 47
- 18
- 11
- 46
- 26
- 52
- 32
- 39
- 14
- 31
- 37
- 49
- 23
- 65
- 20
- 75
- 47
- 45
- 38
- 77
- 24
- 43
- 21
- 41
- 11
- 46
- 55
- 34
- 37
- 53
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths