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
- 1.95 − 51 =
- 2.81 − 61 =
- 3.63 − 16 =
- 4.60 − 28 =
- 5.66 − 32 =
- 6.68 − 36 =
- 7.87 − 31 =
- 8.90 − 15 =
- 9.99 − 14 =
- 10.90 − 61 =
- 11.63 − 45 =
- 12.81 − 37 =
- 13.55 − 41 =
- 14.60 − 16 =
- 15.88 − 78 =
- 16.63 − 42 =
- 17.58 − 43 =
- 18.54 − 33 =
- 19.53 − 13 =
- 20.95 − 84 =
- 21.76 − 63 =
- 22.57 − 21 =
- 23.89 − 73 =
- 24.60 − 33 =
- 25.92 − 54 =
- 26.76 − 32 =
- 27.62 − 29 =
- 28.60 − 43 =
- 29.78 − 41 =
- 30.65 − 34 =
- 31.77 − 16 =
- 32.86 − 47 =
- 33.76 − 21 =
- 34.61 − 37 =
- 35.97 − 46 =
- 36.60 − 27 =
- 37.87 − 25 =
- 38.67 − 45 =
- 39.99 − 51 =
- 40.73 − 33 =
Answer key
- 44
- 20
- 47
- 32
- 34
- 32
- 56
- 75
- 85
- 29
- 18
- 44
- 14
- 44
- 10
- 21
- 15
- 21
- 40
- 11
- 13
- 36
- 16
- 27
- 38
- 44
- 33
- 17
- 37
- 31
- 61
- 39
- 55
- 24
- 51
- 33
- 62
- 22
- 48
- 40
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths