Representing numbers: Tally marks
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Intros
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Examples
Lessons
- Count the Tally Marks
Count the tally marks. What number do they represent? - Draw the Tally Marks
Draw the number using tally marks. - Understanding Tally Mark Charts
Madison asked all her classmates about their favorite fruits. This is the tally chart from her survey:
- Creating a Tally Mark Chart - 1
Oscar threw a six-sided die 40 times and got these results:6, 5, 1, 3, 4, 4, 4, 2, 1, 3, 6, 1, 4, 3, 2, 6, 5, 5, 3, 2, 5, 2, 1, 6, 5, 2, 6, 3, 4, 4, 3, 4, 6, 1, 6, 4, 1, 5, 2, 3 - Creating a Tally Chart - 2
Isabelle asked her friends what their favorite colors are.
Emma answered red; Beth answered blue; Michelle answered green, Candice answered blue; Jennifer answered pink; Sue answered blue; Mia answered yellow; Ava answered pink; Sam answered red; Olivia answered blue; Liz answered red; Abby answered blue. - Creating a Tally Chart - 3
William's teacher likes to add one really long word to the weekly spelling tests.
This week's word is "spectrophotofluorometrically".
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Practice
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
- 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
