Lessons
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Planetary Distance and Scientific Notation
Expressions & EquationsStudents interpret real astronomical data and represent very large numbers in scientific notation, exploring NASA moon–planet distance data in CODAP and analyzing patterns...
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Classifying Quadrilaterals
GeometryStudents build and refine decision trees to classify objects efficiently with yes/no questions, then apply the thinking to quadrilaterals — grouping by properties and, in CODAP,...
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Stem-and-Leaf Plots on Candy Prices
Statistics & ProbabilityStudents use real-world pricing data to compare candy costs across two stores with back-to-back stem-and-leaf plots and data-science practices, analyzing distributions by...
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Coin Flip Probability
Statistics & ProbabilityStudents develop probability as a measure of likelihood by investigating chance processes through simulation, using a coin-flip simulation to compare theoretical and...
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Scatterplots and Roller Coasters
Statistics & ProbabilityThe purpose of this lesson is to help students explore relationships between variables using real‑world data by creating and interpreting scatterplots. Students will analyze...
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Ratios with Similar Triangles
GeometryStudents investigate similar right triangles by measuring side lengths and calculating ratios, discovering that equal-angle triangles have proportional sides (consistent...
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Solving Equations Using Basketball Data
Expressions & EquationsStudents use real basketball data to explore how equations can model performance and support decisions — classifying "good" performance with graphs and summary measures,...
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Properties of Operations and Screen Time Data
Expressions & EquationsStudents use properties of numbers to organize, analyze, and draw conclusions from real-world data — treating the properties not as rules but as tools to make sense of data,...
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Proportional Reasoning
Ratios & Proportional RelationshipsStudents use ratios, percentages, and segmented bar graphs to compare groups fairly, identify hidden patterns, and investigate how knowing one variable can help predict another.
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Percentages and Nutrition Labels
Ratios & Proportional RelationshipsStudents explore percentages through nutrition labels, calculating and interpreting percent values, investigating how rounding affects reported data, analyzing a real McDonald's...
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Rates in Air Travel
Ratios & Proportional RelationshipsStudents explore rate through commercial air travel: starting from their own speed estimates, they confront variability, then use real flight data to calculate rates, analyze...
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NCAA Integer Operations
The Number SystemStudents use integer operations to represent and analyze college-basketball statistics, investigating "home-court advantage" by creating a new variable (wins minus losses),...