Illustrative Mathematics
Archimedes and the King's Crown
Learners will shout "Eureka!" in this quick but deep activity replicating the famous bathtub experiment of Archimedes. Given the scenario of a king with a suspected fake crown, young investigators develop formulas using density to...
Curated OER
Metric Conversions
Students measure an assortment of items using metric measurements. In this measurement lesson, students measure using length, mass, and volume units of measurement. They convert between units. Students learn a mnemonic to assist in...
Mathematics Assessment Project
A Golden Crown?
In this assessment task, learners determine whether a crown with given information is composed of pure gold. The task expects algebraic and numerical solution methods, so unlike Archimedes, no bathtub is necessary.
Howard County Schools
Constant Rate Exploration
Question: What do rectangles and bathtub volume have in common? Answer: Linear equations. Learn how to identify situations that have constant rates by examining two different situations, one proportional and one not proportional.
Curated OER
Displacement and Density
High schoolers explore displacement. In this displacement and density lesson, pupils find the volume of irregular shaped objects. Afterward, they determine the volume of containers. They compute the amount of water displacement.
Curated OER
Lesson 10-6: Using the Quadratic Formula
In this quadratic formula worksheet, students solve 5 quadratic problems. Students use the quadratic formula to find maximums, minimums, roots, and y-intercepts.
Curated OER
Solving Math Problems In the Real World
Upper elementary and middles schoolers discuss and solve real world applications of math. They use formulas for volume and percents to answer real world questions. In the second part of the lesson, groups write and solve word problems....
Curated OER
Using Jellybeans
Students extend patterns that are created by their teacher by using jellybeans. In this patterns lesson plan, students use 3 different colored jellybeans.
Growing Minds
Growing Minds: Cucumber Exploration
After reading a picture book about planting and harvesting cucumbers, learners get a chance to examine some cucumbers of their own. First, they see photographs of a cucumber on a vine, and learn that it is part of the gourd family....
Curated OER
Metric Conversions
Learners translate a mathematical idea from one form to another. They compare and convert a given measurement to another unit within the same measurement system.
Curated OER
Metric Conversions
Students practice the fundamentals of converting metric measurements. They translate a mathematical idea from one form to another and compare and convert a given measurement to another unit within the same measurement system. Students...
Curated OER
Leveled Problem Solving Dividing Fractions and Mixed Numbers
In this dividing fractions and mixed numbers practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
Writing Fix
Writing Fix: An I Pod Inspired Writing Lesson: Itsy Bitsy Math Songs
This is a great writing lesson plan for math teachers. The picture book Take Me Out of the Bathtub by Alan Katz demonstrates his love of familiar songs and nursery rhymes by writing new lyrics that can be sung to them. For this...
TED Talks
Ted: Ted Ed: The Real Story Behind Archimedes' Eureka!
When you think of Archimedes' Eureka moment, you probably imagine a man in a bathtub, right? As it turns out, there's much more to the story. Armand D'Angour tells the story of Archimedes' biggest assignment- an enormous floating palace...