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
- 1.63 − 31 =
- 2.55 − 15 =
- 3.65 − 16 =
- 4.70 − 47 =
- 5.78 − 44 =
- 6.95 − 23 =
- 7.53 − 33 =
- 8.64 − 19 =
- 9.63 − 18 =
- 10.97 − 55 =
- 11.59 − 34 =
- 12.87 − 45 =
- 13.60 − 14 =
- 14.74 − 17 =
- 15.68 − 27 =
- 16.75 − 62 =
- 17.58 − 21 =
- 18.95 − 29 =
- 19.52 − 24 =
- 20.66 − 45 =
- 21.67 − 21 =
- 22.91 − 61 =
- 23.97 − 14 =
- 24.87 − 76 =
- 25.77 − 61 =
- 26.95 − 22 =
- 27.97 − 57 =
- 28.58 − 29 =
- 29.53 − 25 =
- 30.85 − 27 =
- 31.58 − 14 =
- 32.87 − 67 =
- 33.93 − 71 =
- 34.76 − 19 =
- 35.61 − 36 =
- 36.53 − 18 =
- 37.97 − 12 =
- 38.76 − 23 =
- 39.70 − 21 =
- 40.65 − 54 =
Answer key
- 32
- 40
- 49
- 23
- 34
- 72
- 20
- 45
- 45
- 42
- 25
- 42
- 46
- 57
- 41
- 13
- 37
- 66
- 28
- 21
- 46
- 30
- 83
- 11
- 16
- 73
- 40
- 29
- 28
- 58
- 44
- 20
- 22
- 57
- 25
- 35
- 85
- 53
- 49
- 11
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths