The request
“Create a pictograph titled Oak Street School Tree Planting with one triangle per tree for 7, 9, 6 and 8 trees planted by Years 3 through 6.”
Then tryAdd Year 2 with five trees.Change one triangle to represent two trees.
What is in this drawing
Read the decisions behind it.
01Symbol
use triangles to suggest trees.
02Unit
retain one tree per mark.
03Comparison
use four year groups.
Use it for a small campaign result that readers can count directly.
More like this
Other examples in this family.
FAQ
Common questions
Why use triangles?
The triangle is a simple tree-like symbol while still being easy to count.
What is the unit?
Each triangle represents one planted tree.
What data is not shown?
The chart does not show species, location or whether planted trees survive over time.