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
- 1.99 − 19 =
- 2.57 − 26 =
- 3.86 − 16 =
- 4.66 − 43 =
- 5.70 − 41 =
- 6.64 − 48 =
- 7.99 − 73 =
- 8.58 − 38 =
- 9.87 − 64 =
- 10.69 − 48 =
- 11.95 − 34 =
- 12.64 − 44 =
- 13.53 − 42 =
- 14.97 − 39 =
- 15.54 − 21 =
- 16.78 − 19 =
- 17.80 − 45 =
- 18.60 − 48 =
- 19.92 − 15 =
- 20.89 − 43 =
- 21.96 − 17 =
- 22.59 − 28 =
- 23.77 − 33 =
- 24.69 − 19 =
- 25.89 − 41 =
- 26.77 − 46 =
- 27.88 − 32 =
- 28.77 − 24 =
- 29.64 − 21 =
- 30.78 − 67 =
- 31.89 − 22 =
- 32.76 − 62 =
- 33.86 − 14 =
- 34.59 − 14 =
- 35.63 − 31 =
- 36.78 − 29 =
- 37.52 − 15 =
- 38.64 − 32 =
- 39.64 − 33 =
- 40.82 − 43 =
Answer key
- 80
- 31
- 70
- 23
- 29
- 16
- 26
- 20
- 23
- 21
- 61
- 20
- 11
- 58
- 33
- 59
- 35
- 12
- 77
- 46
- 79
- 31
- 44
- 50
- 48
- 31
- 56
- 53
- 43
- 11
- 67
- 14
- 72
- 45
- 32
- 49
- 37
- 32
- 31
- 39
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths