Bar and Pie Charts
by Anonymous
Show the same data as a strip chart and a pie chart, then change the number of items to see how the percentages shift.
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About this app
A hands-on elementary math activity for learning how the same set of 20 favorite-fruit responses can be represented with a strip graph and a pie chart. Adjust the number of people in each fruit category and observe how proportions change as strip lengths and pie-slice areas. Four missions in each graph mode and a graph-reading challenge help learners connect counts with percentages.
Use cases
- Elementary students learning percentages and ratios
- Sixth-grade math practice with strip and pie graphs
- Teachers introducing proportional data displays
- Independent practice reading percentages from graphs
Features
- Adjust fruit-category counts with −10, −5, +5, and +10 controls
- View the same data as a strip graph or pie chart
- Complete four missions in each graph mode
- Read marked graph items and enter percentage answers
- Receive feedback when an entered percentage is too high or too low
- Use a reset control and move through challenge questions