5280 Math
Stories That Formulas Tell
Learn the stories a formula holds. An interesting lesson takes a unique approach to teach how to use formulas. Beginning with a formula, learners predict what the variables stand for and then use the formula to make calculations and tell...
Curated OER
Excel Lesson Plan Coin Statistics
Second graders determine the difference between making a prediction and determining actual information. They design a spreadsheet for a coin flipping activity on which they include their predictions and what actual happens when they flip...
Mathematics Vision Project
Circles: A Geometric Perspective
Circles are the foundation of many geometric concepts and extensions - a point that is thoroughly driven home in this extensive unit. Fundamental properties of circles are investigated (including sector area, angle measure, and...
Illustrative Mathematics
Complex number patterns
Start off with the definition of the imaginary number i, then have your class practice simplifying expressions involving powers of i and look for patterns. See how the cyclic nature of powers of i translate to sums of powers of i.
Curated OER
Don't Trash the Earth
Learners experience a hands-on environmental science project. They access about recycling as they collect data on their own family's trash production. Students analyze the data with worksheets, chart the data, and present their findings.