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
- 1.86 − 52 =
- 2.75 − 25 =
- 3.61 − 41 =
- 4.55 − 44 =
- 5.58 − 12 =
- 6.76 − 24 =
- 7.93 − 39 =
- 8.72 − 39 =
- 9.62 − 47 =
- 10.54 − 39 =
- 11.95 − 24 =
- 12.64 − 53 =
- 13.64 − 51 =
- 14.82 − 71 =
- 15.56 − 18 =
- 16.86 − 51 =
- 17.55 − 41 =
- 18.76 − 13 =
- 19.77 − 25 =
- 20.55 − 43 =
- 21.91 − 73 =
- 22.82 − 57 =
- 23.84 − 45 =
- 24.85 − 57 =
- 25.57 − 33 =
- 26.92 − 81 =
- 27.89 − 41 =
- 28.74 − 56 =
- 29.97 − 28 =
- 30.52 − 18 =
- 31.91 − 79 =
- 32.86 − 33 =
- 33.90 − 17 =
- 34.93 − 81 =
- 35.96 − 77 =
- 36.63 − 23 =
- 37.58 − 47 =
- 38.66 − 56 =
- 39.67 − 47 =
- 40.52 − 35 =
Answer key
- 34
- 50
- 20
- 11
- 46
- 52
- 54
- 33
- 15
- 15
- 71
- 11
- 13
- 11
- 38
- 35
- 14
- 63
- 52
- 12
- 18
- 25
- 39
- 28
- 24
- 11
- 48
- 18
- 69
- 34
- 12
- 53
- 73
- 12
- 19
- 40
- 11
- 10
- 20
- 17
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths