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
- 1.81 − 22 =
- 2.68 − 47 =
- 3.85 − 65 =
- 4.60 − 37 =
- 5.67 − 32 =
- 6.93 − 69 =
- 7.80 − 62 =
- 8.55 − 34 =
- 9.85 − 34 =
- 10.57 − 16 =
- 11.84 − 18 =
- 12.71 − 21 =
- 13.99 − 77 =
- 14.74 − 63 =
- 15.56 − 21 =
- 16.95 − 61 =
- 17.88 − 56 =
- 18.76 − 14 =
- 19.94 − 13 =
- 20.77 − 16 =
- 21.60 − 41 =
- 22.96 − 59 =
- 23.67 − 43 =
- 24.74 − 45 =
- 25.86 − 52 =
- 26.88 − 18 =
- 27.87 − 63 =
- 28.52 − 21 =
- 29.61 − 22 =
- 30.90 − 13 =
- 31.82 − 48 =
- 32.53 − 39 =
- 33.89 − 12 =
- 34.52 − 36 =
- 35.69 − 59 =
- 36.88 − 61 =
- 37.93 − 16 =
- 38.96 − 22 =
- 39.68 − 15 =
- 40.85 − 21 =
Answer key
- 59
- 21
- 20
- 23
- 35
- 24
- 18
- 21
- 51
- 41
- 66
- 50
- 22
- 11
- 35
- 34
- 32
- 62
- 81
- 61
- 19
- 37
- 24
- 29
- 34
- 70
- 24
- 31
- 39
- 77
- 34
- 14
- 77
- 16
- 10
- 27
- 77
- 74
- 53
- 64
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths