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GeoGebra
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Outline
About Percentage
using bar model
Using elastic percentage ruler
simple and compound interest
using double number line
ratio and proportion
more online resources
About Percentage
Author:
Arthur Lee
Topic:
Percentages
About percentage
Table of Contents
using bar model
Part, Whole and Percentage
Percentage Change 百分改變
Percentages: Selling Problems, Profit & Loss
Cost, Marked Price & Selling Price 成本、標價與售價
Finding Percentage Increase
Finding the Missing Values in Percentage Relationships Using Tape Diagrams
Percentage Change Estimation (whole class activity)
Using elastic percentage ruler
percentage ruler (mixture)
percentage ruler (2 groups)
percentage for comparison
successive percentage changes
simple and compound interest
From simple to compound interest
Compound Interest
Simple Interest 單利息
Compound Interest 複利息
using double number line
Double Number Line - Percent Change
Double Number Line – Percent Change (2)
ratio and proportion
estimate fraction in a set
Comparing Mixtures (24 cups)
more online resources
introduce percentage change in Desmos
Next
Part, Whole and Percentage
New Resources
Slope Field (1)
Angles and Intersecting Lines: Quick Investigation
Parallel or Not? (V2)
Slope of a Straight Line: Run and Rise
Construct a Square
Discover Resources
Tension "Calculator"
House2
Askisi1
Saddle with contours
Triangle Diamond Keri 2
Discover Topics
Scatter Plot
Piecewise Functions
Perimeter
Complex Numbers
Angles