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
- 1.64 − 45 =
- 2.86 − 15 =
- 3.65 − 35 =
- 4.91 − 19 =
- 5.91 − 21 =
- 6.65 − 12 =
- 7.61 − 12 =
- 8.67 − 12 =
- 9.88 − 13 =
- 10.52 − 23 =
- 11.92 − 14 =
- 12.66 − 42 =
- 13.81 − 26 =
- 14.65 − 47 =
- 15.63 − 29 =
- 16.60 − 21 =
- 17.64 − 36 =
- 18.63 − 28 =
- 19.58 − 42 =
- 20.60 − 15 =
- 21.97 − 19 =
- 22.99 − 64 =
- 23.95 − 51 =
- 24.90 − 61 =
- 25.58 − 43 =
- 26.60 − 31 =
- 27.66 − 33 =
- 28.97 − 17 =
- 29.56 − 28 =
- 30.58 − 16 =
- 31.54 − 39 =
- 32.94 − 39 =
- 33.75 − 38 =
- 34.61 − 14 =
- 35.54 − 41 =
- 36.98 − 69 =
- 37.57 − 19 =
- 38.97 − 36 =
- 39.57 − 34 =
- 40.76 − 25 =
Answer key
- 19
- 71
- 30
- 72
- 70
- 53
- 49
- 55
- 75
- 29
- 78
- 24
- 55
- 18
- 34
- 39
- 28
- 35
- 16
- 45
- 78
- 35
- 44
- 29
- 15
- 29
- 33
- 80
- 28
- 42
- 15
- 55
- 37
- 47
- 13
- 29
- 38
- 61
- 23
- 51
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths