Sorting means putting things into groups that belong together.
Step 1: Let's Learn
Read it, or press Listen and follow the words.
A graph shows the groups
Each thing gets one square. Taller means more.
Apples
Balls
There are 6 in all.
Apples has the most. It has 2 more than Balls.
Apples
Balls
Sorting comes before counting
You cannot count categories until you have decided what the categories are. The rule has to come first.
Why bars are easier than piles
Bars start from the same line, so the tallest is obvious at a glance. Piles can spread out and mislead you.
Step 2: Try It Yourself
Change the counts and watch the graph change.
Apples
Stars
Fish
There are 10 in all.
Apples has the most. It has 3 more than Fish.
Step 3: Watch an Example
One step at a time.
Watch Ana Build a Graph
Ana counts the fruit in a bowl.
- Step 1
She sorts them into groups: apples in one, pears in another.
Step 4: Your Turn
Practice makes it stick.
The Fruit Bowl
Problem 1 of 1
A graph shows 5 apples and 3 stars. How many things in all?
things
Build Your Own
Make one group the biggest, then make them all the same.
Red
Blue
There are 6 in all.
Blue has the most. It has 2 more than Red.
Step 5: Quick Check
Show what you know.
Question 1 of 2
A graph shows 4 apples and 6 stars. How many in all?
Question 2 of 2
On a picture graph, what does a taller column mean?
What You Learned
- Sorting puts things into groups.
- A graph gives each thing one square.
- Taller means more.