Tally marks
Topic Notes
In this lesson, we will learn:
- How to draw tally marks
- How to count tally marks
- How to use tally marks for survey results
Notes:
- Tally marks were first used during the prehistoric age, about 30,000 years ago!
- Each line (or “tally”) represents one
- Every 5th tally is drawn diagonally across the last 4
![Representing Numbers: Tally Marks](
https://dmn92m25mtw4z.cloudfront.net/img_set/math5-2-2-x-1/v1/math5-2-2-x-1-845w.jpg)
- You count tally marks by skip counting by 5. You know that each group with a diagonal is 5.
- 5, 10, 15, 20, 25, 30, 35, 40, 45, 50
- Or you can count two tally groups as 10, and skip count by 10
- Any left-over tally marks, you count separately and add on to your total
![Representing Numbers: Tally Marks](
https://dmn92m25mtw4z.cloudfront.net/img_set/math5-2-2-x-2/v1/math5-2-2-x-2-678w.jpg)