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
- 1.89 − 18 =
- 2.77 − 52 =
- 3.61 − 16 =
- 4.85 − 74 =
- 5.59 − 41 =
- 6.64 − 23 =
- 7.76 − 64 =
- 8.75 − 46 =
- 9.57 − 39 =
- 10.83 − 35 =
- 11.99 − 34 =
- 12.78 − 43 =
- 13.76 − 21 =
- 14.88 − 29 =
- 15.64 − 21 =
- 16.96 − 78 =
- 17.69 − 35 =
- 18.58 − 31 =
- 19.86 − 51 =
- 20.76 − 55 =
- 21.80 − 51 =
- 22.65 − 12 =
- 23.93 − 22 =
- 24.81 − 33 =
- 25.77 − 59 =
- 26.93 − 51 =
- 27.72 − 47 =
- 28.85 − 51 =
- 29.82 − 53 =
- 30.72 − 46 =
- 31.87 − 23 =
- 32.89 − 78 =
- 33.95 − 78 =
- 34.91 − 67 =
- 35.63 − 43 =
- 36.95 − 36 =
- 37.70 − 29 =
- 38.90 − 46 =
- 39.60 − 31 =
- 40.65 − 51 =
Answer key
- 71
- 25
- 45
- 11
- 18
- 41
- 12
- 29
- 18
- 48
- 65
- 35
- 55
- 59
- 43
- 18
- 34
- 27
- 35
- 21
- 29
- 53
- 71
- 48
- 18
- 42
- 25
- 34
- 29
- 26
- 64
- 11
- 17
- 24
- 20
- 59
- 41
- 44
- 29
- 14
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths