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
- 1.61 − 44 =
- 2.71 − 61 =
- 3.97 − 68 =
- 4.54 − 41 =
- 5.60 − 37 =
- 6.60 − 31 =
- 7.60 − 19 =
- 8.52 − 22 =
- 9.84 − 25 =
- 10.62 − 21 =
- 11.82 − 58 =
- 12.90 − 27 =
- 13.78 − 31 =
- 14.74 − 63 =
- 15.87 − 29 =
- 16.74 − 48 =
- 17.91 − 81 =
- 18.69 − 48 =
- 19.67 − 48 =
- 20.97 − 33 =
- 21.85 − 14 =
- 22.85 − 18 =
- 23.60 − 42 =
- 24.65 − 16 =
- 25.95 − 32 =
- 26.76 − 29 =
- 27.69 − 25 =
- 28.80 − 41 =
- 29.74 − 56 =
- 30.93 − 68 =
- 31.90 − 53 =
- 32.75 − 41 =
- 33.97 − 71 =
- 34.56 − 17 =
- 35.98 − 81 =
- 36.93 − 72 =
- 37.52 − 19 =
- 38.54 − 33 =
- 39.55 − 16 =
- 40.71 − 41 =
Answer key
- 17
- 10
- 29
- 13
- 23
- 29
- 41
- 30
- 59
- 41
- 24
- 63
- 47
- 11
- 58
- 26
- 10
- 21
- 19
- 64
- 71
- 67
- 18
- 49
- 63
- 47
- 44
- 39
- 18
- 25
- 37
- 34
- 26
- 39
- 17
- 21
- 33
- 21
- 39
- 30
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths