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
- 1.66 − 51 =
- 2.90 − 33 =
- 3.65 − 54 =
- 4.62 − 41 =
- 5.88 − 13 =
- 6.62 − 13 =
- 7.82 − 26 =
- 8.99 − 54 =
- 9.63 − 27 =
- 10.67 − 48 =
- 11.71 − 29 =
- 12.57 − 37 =
- 13.82 − 13 =
- 14.91 − 16 =
- 15.79 − 21 =
- 16.92 − 26 =
- 17.86 − 29 =
- 18.88 − 71 =
- 19.74 − 51 =
- 20.68 − 19 =
- 21.97 − 57 =
- 22.90 − 43 =
- 23.64 − 38 =
- 24.67 − 37 =
- 25.54 − 32 =
- 26.82 − 46 =
- 27.94 − 69 =
- 28.78 − 36 =
- 29.78 − 33 =
- 30.87 − 16 =
- 31.88 − 69 =
- 32.74 − 31 =
- 33.93 − 23 =
- 34.98 − 31 =
- 35.53 − 42 =
- 36.68 − 15 =
- 37.97 − 64 =
- 38.66 − 44 =
- 39.64 − 16 =
- 40.87 − 29 =
Answer key
- 15
- 57
- 11
- 21
- 75
- 49
- 56
- 45
- 36
- 19
- 42
- 20
- 69
- 75
- 58
- 66
- 57
- 17
- 23
- 49
- 40
- 47
- 26
- 30
- 22
- 36
- 25
- 42
- 45
- 71
- 19
- 43
- 70
- 67
- 11
- 53
- 33
- 22
- 48
- 58
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths