Sample Tasks from
Advanced Common Core Math Explorations: Ratios, Proportions, and Similarity
Exploration 4: Perplexing Percentages

Task 1: U.S. Flag

What do you notice? What do you wonder?

Make your own observations. Ask your own questions. Then click the task to learn more.

image of flag adapted from Advanced Common Core Math Explorations: Ratios, Proportions, and Similarity (p. 91), by Jerry Burkhart.
Copyright 2016, Prufrock Press: Waco, TX. Reproduced with permission.

Task 2: Copying a Flyer

What do you notice? What do you wonder?

Make your own observations. Ask your own questions. Then click the task to learn more.

from Advanced Common Core Math Explorations: Ratios, Proportions, and Similarity (p. 110), by Jerry Burkhart.
Copyright 2016, Prufrock Press: Waco, TX. Reproduced with permission.