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Lesson Plan
Curated OER

"Weighing the Elephant"

For Teachers K - 12th
Can your class solve the problem presented in the Chinese folktale, "Weighing the Elephant?" Read your class the description before having them attempt to solve the problem. After they've come up with an answer (or attempted to!), finish...
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Activity
Scholastic

Scholastic: Math Maven's Mysteries: Mystery at the Third Strike Sports Store

For Teachers 3rd - 5th
Solve a mystery using your reasoning skills. At this site use all the clues and figure out the winner of the Third Strike Contest.
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Activity
Scholastic

Scholastic: Math Maven's Mysteries: The Bell Clapper Caper

For Teachers 3rd - 8th
Help the Math Maven get the kids out of school on time. Someone has stolen the bell's clapper and if the bell doesn't ring at 3:00, the school doors will not open! You have to figure out the last question to ask the number one suspect.
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Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Math Challenges for Families

For Students 9th - 10th
NCTM offers sections on Families & School, Families & Math, Families & Homework, and more. Has links to brain-teaser problems ranging in skill from very easy to challenging. Click Take a Challenge or Challenge Index for...
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Lesson Plan
PBS

Pbs Mathline Lesson: Mix It Up [Pdf]

For Teachers 3rd - 5th
A lesson based on the story, "Oliver's Fruit Salad," where young scholars explore the concept of proportional reasoning through modeling, student sharing, and questioning. A great introductory lesson for this concept that is sure to...
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Lesson Plan
Other

Geography Through Literature Pacific Islands

For Teachers 6th - 8th
This site is a highly detailed unit plan. That crosses almost all the disciplines, with "Call it Courage," as the beginning point. Links to a .pdf file and Word versions of handouts are available.