Lesson Plan
Curated OER

Limits

For Teachers 10th - 12th
Students practice the concept of limits graphically, numerically and algebraically. They participate in an exploration lab, BINGO game and complete a puzzle.
Lesson Plan
Curated OER

The Lady's Age

For Teachers 9th - 12th
Students use a game to establish the context of solving problems in a systematic and mathematical fashion. They also solve various types of equations to find reasonable solutions.
Lesson Plan
Curated OER

Lesson #2 Absolute Value and Symmetry

For Teachers 11th - 12th
Young scholars investigate absolute value functions.  In this Algebra II/Pre-calculus/Calculus activity, students explore the formal definition of absolute value and apply the piece-wise definition to solve inequality...
Lesson Plan
PBS

Add, Subtract and Multiply Fractions

For Teachers 4th - 6th Standards
Your future chefs will appreciate this comprehensive instructional activity where learners practice operations on fractions using pizza and soup analogies. Learners begin with a pizza analogy that requires the learners to...
Worksheet
Curated OER

Aggie's Eggs

For Students 9th - 12th
In this secondary mathematics activity, learners solve a riddle which involves selling eggs. The one page activity contains one problem with the solution. 
Lesson Plan
Curated OER

Problem Solving Using Pattern Blocks

For Teachers 3rd - 8th
Students use pattern blocks to create a figure that is described to them and establish a pattern based on the description of the geometric figure. In this pattern blocks lesson plan, students fill out shape and fraction worksheets.
Lesson Plan
Curated OER

The Fourth Quadrant of Proportiona

For Teachers 4th - 5th
Students experiment with scale to solve a problem presented in a video clip. They determine the correct size to use when constructing a model and evaluate the use of proportions in real life applications.
Lesson Plan
Curated OER

Your Body's Building Blocks

For Teachers 10th - 12th
Pupils study the elements of the Periodic Table as they relate to the building blocks of the body. They experiment to measure the amount of iron in the body.
Interactive
Quia

Quia: Evaluating Algebraic Expression

For Students 9th - 10th Standards
This interactive game is similar to Concentration. Students must evaluate the expression in the puzzle for the given value and match it with the correct answer.
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...
Website
PBS

Pbs Learning Media: Solving an Equation for a Missing Value

For Students 3rd - 8th
The CyberSquad solves a number puzzle to help save Motherboard in this video segment from Cyberchase.
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...
Interactive
Instituto Latinoamericano de la Comunicacion Educativa

Red Escolar: Crucigrama Algebraico

For Students 9th - 10th Standards
In Spanish. Solve a puzzle by solving 17 algebraic equations, learn some magic with algebra and also learn about the history of algebra.
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...
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
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...