A picture that stands for many
Four book pictures sit next to "Monday". Are there four books? Check the key first. The key is the note that says what one picture means.
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The rule
Not always. With a key of 2, four pictures are 8 books.
A pictograph shows counts with small pictures. Each row is one group.
The key says what one picture means. Read the key first.
A half picture is half of what one picture means. With a key of 2, half a picture is 1.
Step 1 of 4
- Monday's row, no key yet.
- The key: one picture = 2 books.
- Four pictures in the row.
- 4 × 2 = 8 books, not 4.
Example
Key: 1 picture = 2 books. A row has 3 pictures and a half.
3 whole pictures: 3 × 2 = 6 books.
The half picture: half of 2 is 1 book.
Total: 6 + 1 = 7 books.
In the lab, pick a key. Drag pictures into the row until it shows the books.