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
- 1.53 − 27 =
- 2.85 − 23 =
- 3.73 − 58 =
- 4.59 − 43 =
- 5.77 − 31 =
- 6.74 − 51 =
- 7.92 − 63 =
- 8.76 − 63 =
- 9.56 − 42 =
- 10.75 − 25 =
- 11.65 − 28 =
- 12.64 − 42 =
- 13.71 − 34 =
- 14.57 − 41 =
- 15.93 − 67 =
- 16.65 − 55 =
- 17.67 − 12 =
- 18.85 − 53 =
- 19.75 − 12 =
- 20.86 − 28 =
- 21.57 − 38 =
- 22.90 − 41 =
- 23.54 − 17 =
- 24.67 − 17 =
- 25.89 − 68 =
- 26.80 − 53 =
- 27.66 − 51 =
- 28.88 − 23 =
- 29.73 − 21 =
- 30.84 − 27 =
- 31.57 − 13 =
- 32.58 − 43 =
- 33.82 − 26 =
- 34.87 − 37 =
- 35.91 − 46 =
- 36.77 − 12 =
- 37.77 − 49 =
- 38.54 − 28 =
- 39.76 − 27 =
- 40.63 − 15 =
Answer key
- 26
- 62
- 15
- 16
- 46
- 23
- 29
- 13
- 14
- 50
- 37
- 22
- 37
- 16
- 26
- 10
- 55
- 32
- 63
- 58
- 19
- 49
- 37
- 50
- 21
- 27
- 15
- 65
- 52
- 57
- 44
- 15
- 56
- 50
- 45
- 65
- 28
- 26
- 49
- 48
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths