bar graph

How Many Colors are on Countries’ National Flags? (English + Français)

English:
Colors per National Flag around the World
graph from DynaMath (Jeanette Ferrera) & Ferdio; slow reveal by Jenna Laib

Français:
Couleurs des drapeaux nationaux à travers le monde
par DynaMath (Jeanette Ferrera) et Ferdio; dévoilement progressif — Jenna Laib

Type of Graph: bar graph

Purpose

This slow reveal is designed to support analysis and discussion of both the data and the design choices. The questions in the slide deck invite learners to examine trends, relationships, and possible interpretations. This graph invites students to the estimate and compare values, discuss the features of a scaled bar graph, explore the scale along the y-axis, compare data sets, discuss sampling, and more.

About These Graphs

This visualization is not provided for reuse or redistribution. Readers and educators are encouraged to view the original visualization in its published context.

Graph #1

Original Visualization:
Ferrera, Jeanette. “Flag Day Stats.” DynaMath: May/June 2019.

Data Source:
Loesche, Dyfed. “Vexillology: Most Flags Combine Red, White and Blue.” Statista: January 13, 2017.
Rob Raeside. “Statistics on Flag Colors.” Flags of the World: June 8, 2012.

Graph #2

Original Visualization:
Morgenstjerne, Jeppe (Creative Director). Flag Stories. Ferdio: 2015.

Data Source:
“Original Flags”

Additional Paired Texted/Resources:

Potential Math Content: bar graph, estimating values, labels, comparing data sets

Potential Content Connections: global society, flags, national symbols, colors


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