Activity
101 Questions

Coke Jacuzzi System of 3

For Students 9th - 12th Standards
Can you determine the exact volume of a bottle based on the relative volume of other bottles? A series of four videos shows someone pouring fluid into bottles. Scholars must set up a system of equations to determine how much each bottle...
Lesson Plan
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Curated OER

Pairs of Whole Numbers

For Teachers 9th - 12th Standards
Mathematical reasoning and linear systems are two of the strategies used to solve this number puzzle. Your learners will enjoy the challenge and the variety of ways to approach this challenge.
Activity
PBL Pathways

Boogie Boards

For Students 10th - Higher Ed Standards
Solve a complex business puzzle by building a linear programming model. An engaging project-based learning problem has classes examining transportation costs and manufacturing limitations from several plants. Ultimately, they use their...
Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Number Tricks

For Students 3rd - 8th Standards
Can you break the magic number code? Test your algebra aptitude in this challenge that explores number generalizations, symbols, and equations. Discover how algebraic procedures are used in everyday situations in this one page activity...
Activity
Scholastic

Scholastic: Math Maven's Mysteries: The Cuckoo Caper

For Students 3rd - 8th
The famous Clockenheimer Cuckoo is missing from Clockenheimer Clocks on Main Street! Help Math Maven get it back by solving a math riddle.
Activity
Math Is Fun

Math Is Fun: Introduction to Algebra

For Students 3rd - 8th Standards
How is algebra like solving a puzzle? What is a variable? This simple introduction to algebraic equations offers examples of how to solve for "x" and how to balance equations. Follow a link to a "Simple Algebra Worksheet" when you're...
Activity
University of Cambridge

University of Cambridge: Nrich: Clever Santa

For Students 3rd - 8th
Help Santa figure out how many puzzles and books to leave for the children of this family. Once you figure it out you can check the solution.
Activity
Math Is Fun

Math Is Fun: Algebra

For Students 9th - 10th Standards
Through this collection of definitions, lessons, problem-solving steps and strategies, and example questions, you'll learn why completing an algebra problem is a lot like solving a puzzle. After viewing introductory material and basic...
Activity
Math Is Fun

Math Is Fun: Introduction to Algebra: Multiplication

For Students 3rd - 8th Standards
How do you solve for a variable that is multiplied by another number in an algebraic equation? Find the answer to this question and see examples showing how to solve other types of algebra "puzzles."
Activity
Lesson Tutor

Lesson Tutor: A Beginning Look at Basic Algebra

For Students 9th - 10th Standards
Twelve lessons are provided as an introduction to basic algebra. Each covers the topic clearly, providing examples with explanations as well as practice problems and their solutions for the user. Topics highlighted here include: solving...