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
- 1.79 − 24 =
- 2.63 − 42 =
- 3.73 − 25 =
- 4.81 − 12 =
- 5.71 − 49 =
- 6.60 − 48 =
- 7.68 − 23 =
- 8.91 − 55 =
- 9.52 − 39 =
- 10.85 − 64 =
- 11.72 − 22 =
- 12.93 − 14 =
- 13.59 − 36 =
- 14.89 − 51 =
- 15.98 − 27 =
- 16.59 − 28 =
- 17.81 − 39 =
- 18.94 − 83 =
- 19.92 − 31 =
- 20.79 − 17 =
- 21.97 − 47 =
- 22.57 − 16 =
- 23.87 − 75 =
- 24.55 − 36 =
- 25.95 − 67 =
- 26.81 − 62 =
- 27.66 − 32 =
- 28.59 − 21 =
- 29.63 − 41 =
- 30.69 − 17 =
- 31.64 − 16 =
- 32.59 − 31 =
- 33.87 − 72 =
- 34.61 − 22 =
- 35.90 − 45 =
- 36.60 − 47 =
- 37.63 − 26 =
- 38.52 − 34 =
- 39.74 − 52 =
- 40.60 − 42 =
Answer key
- 55
- 21
- 48
- 69
- 22
- 12
- 45
- 36
- 13
- 21
- 50
- 79
- 23
- 38
- 71
- 31
- 42
- 11
- 61
- 62
- 50
- 41
- 12
- 19
- 28
- 19
- 34
- 38
- 22
- 52
- 48
- 28
- 15
- 39
- 45
- 13
- 37
- 18
- 22
- 18
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths