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
- 1.52 − 15 =
- 2.59 − 12 =
- 3.67 − 29 =
- 4.91 − 16 =
- 5.84 − 42 =
- 6.68 − 21 =
- 7.60 − 21 =
- 8.95 − 22 =
- 9.58 − 16 =
- 10.61 − 41 =
- 11.89 − 52 =
- 12.58 − 41 =
- 13.67 − 35 =
- 14.52 − 21 =
- 15.80 − 65 =
- 16.61 − 44 =
- 17.77 − 24 =
- 18.90 − 75 =
- 19.52 − 16 =
- 20.80 − 48 =
- 21.73 − 32 =
- 22.99 − 55 =
- 23.72 − 51 =
- 24.94 − 19 =
- 25.54 − 21 =
- 26.71 − 47 =
- 27.91 − 36 =
- 28.70 − 43 =
- 29.93 − 16 =
- 30.88 − 51 =
- 31.87 − 56 =
- 32.86 − 65 =
- 33.86 − 56 =
- 34.61 − 48 =
- 35.91 − 62 =
- 36.76 − 43 =
- 37.56 − 23 =
- 38.86 − 42 =
- 39.88 − 17 =
- 40.69 − 15 =
Answer key
- 37
- 47
- 38
- 75
- 42
- 47
- 39
- 73
- 42
- 20
- 37
- 17
- 32
- 31
- 15
- 17
- 53
- 15
- 36
- 32
- 41
- 44
- 21
- 75
- 33
- 24
- 55
- 27
- 77
- 37
- 31
- 21
- 30
- 13
- 29
- 33
- 33
- 44
- 71
- 54
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths