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
- 1.68 − 51 =
- 2.59 − 27 =
- 3.59 − 17 =
- 4.77 − 64 =
- 5.86 − 64 =
- 6.76 − 35 =
- 7.77 − 16 =
- 8.95 − 55 =
- 9.52 − 22 =
- 10.56 − 13 =
- 11.62 − 23 =
- 12.96 − 22 =
- 13.87 − 64 =
- 14.96 − 17 =
- 15.59 − 38 =
- 16.56 − 33 =
- 17.96 − 77 =
- 18.63 − 47 =
- 19.81 − 14 =
- 20.62 − 45 =
- 21.65 − 32 =
- 22.87 − 75 =
- 23.78 − 68 =
- 24.86 − 58 =
- 25.90 − 29 =
- 26.86 − 33 =
- 27.71 − 35 =
- 28.91 − 43 =
- 29.86 − 39 =
- 30.99 − 12 =
- 31.63 − 48 =
- 32.76 − 21 =
- 33.75 − 38 =
- 34.57 − 17 =
- 35.60 − 49 =
- 36.93 − 53 =
- 37.96 − 61 =
- 38.91 − 66 =
- 39.89 − 69 =
- 40.55 − 42 =
Answer key
- 17
- 32
- 42
- 13
- 22
- 41
- 61
- 40
- 30
- 43
- 39
- 74
- 23
- 79
- 21
- 23
- 19
- 16
- 67
- 17
- 33
- 12
- 10
- 28
- 61
- 53
- 36
- 48
- 47
- 87
- 15
- 55
- 37
- 40
- 11
- 40
- 35
- 25
- 20
- 13
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths