Lesson Plan
Curated OER

Special Right Triangles

For Teachers 7th - 9th
Students identify the different parts of a right triangle. In this geometry instructional activity, students use the Pythagorean Theorem to identify missing sides and angles of a right triangle. They work with irrational and rational roots.
Lesson Plan
Curated OER

Patterns and Pentominoes

For Teachers 3rd - 6th
Students participate in a class discussion about how pentominoes figure into the plot of "Chasing Vermeer." They then solve pentominoe puzzles and play interactive games. Resource links are provided for the activities and puzzles.
Lesson Plan
Curated OER

Math Activity: "Snake"

For Teachers 4th
Fourth graders explore patterns by participating in a class math activity. In this early algebra lesson, 4th graders utilize a die and chart to keep record of a snake game in which students must utilize a math function to solve a problem...
Worksheet
Curated OER

Percentages and Fractions of Amounts

For Students 6th - 7th
In this math worksheet, students change percents to fractions on five problems. Students complete a table. Students find a given percent of five numbers. They complete five story problems involving percents.
Worksheet
Curated OER

Percentages

For Students 5th - 6th
In this percentages worksheet, students study the information and examples on a one page text. Students then solve 14 problems in which decimals and percentages are converted. Students also convert percentages to fractions.
Lesson Plan
Curated OER

Crafty Fractions

For Teachers 4th
Fourth graders study fractions. In this fractions lesson, 4th graders define fraction-related vocabulary words. Students use beads to study fractions. Students draw shapes to study fraction equivalency and brainstorm fractions they use...
Lesson Plan
Curated OER

As the Bird Flies

For Teachers 7th - 8th
Students investigate the properties of lines and congruent triangle theorems as well as apply geometric properties and relationships to real-world mathematical problems. Given two different scenarios, they examine maps that have been...
Worksheet
Curated OER

Algebraic Fractions

For Students 11th
In this Algebra II activity, 11th graders add, subtract, multiply, and divide algebraic fractions and solve rational equations. The two page activity contains eight problems. Answers are not provided.
Lesson Plan
Curated OER

Justice, Is it Fair?

For Teachers 5th
Fifth graders investigate conflict resolution through the study of justice.  In this justice lesson, 5th graders are put in scenarios of unfair conditions.  Students discuss the unfair situations and their feelings about them....
Lesson Plan
Curated OER

Rays and Angles

For Teachers 9th - 12th
Students view examples of a ray, opposite rays, collinear rays, angles, and straight angles. They discuss and demonstrate how to use a protractor and complete worksheet problems on rays and angles.
Lesson Plan
Curated OER

Inequalities Involving Absolute Value

For Teachers 9th - 12th
Pupils solve and graph inequalities involving absolute value. They discuss and identify the basic properties of inequalities, and solve basic examples.
Worksheet
Curated OER

Substitution into Formulae

For Students 5th - 6th
For this substituting numbers worksheet, students solve 30 problems in which numbers are substituted into algebraic expressions. This page is intended as an online activity, but may be completed on paper.
Worksheet
Curated OER

Squares

For Students 10th
In this squares activity, 10th graders solve and complete 7 various types of problems. First, they divide a product of one with a square of the other. Then, students find the dimensions of a rectangle that will maximize the area. In...
Lesson Plan
Curated OER

Sled Kites and Trigonometry

For Teachers 9th - 12th
Students study the history of kites and their fundamental properties.  In this kites lesson students divide into teams and build and fly kites. 
Lesson Plan
Curated OER

Sports Injury Symptoms & Prevention

For Teachers 7th - 8th
Students gain a basic understanding of common symptoms of sporting injuries and how to best prevent sporting injuries. They interpret factors that contribute to personal awareness and their effects on behavior by communicating...
Lesson Plan
Curated OER

Working Well With Others

For Teachers 9th - 12th
Learners discuss the importance of communicating well with employers, customers and co-workers. A personality profile is completed and students work in groups to discuss various ways to solve disagreements when working with others. ...
Lesson Plan
Curated OER

Graphing Integers

For Teachers 5th
Fifth graders explore the math concept of graphing integers. In this graphing integers lesson, 5th graders examine visual examples. Students also practice solving problems that their instructors model.
Lesson Plan
Curated OER

Double Serving Lesson Plan

For Teachers 1st
First graders add doubles numbers in number sentences. In this doubles numbers lesson plan, 1st graders list things that come in pairs, create doubles addition sentences, and solve riddles with doubles.
Worksheet
Curated OER

Rational Expressions and Equations

For Students 9th - 11th
In this Algebra I/Algebra II worksheet, students reduce, add, subtract, multiply, and divide rational expression. Students also solve rational equations.  The one page worksheet contains twenty-six problems. Answers are...
Worksheet
Curated OER

Math Homework: Fractions

For Students 5th - 6th
In this fractions worksheet, learners complete true/false questions, find equivalent fractions and use order of operations to solve problems that included exponents.
Lesson Plan
Curated OER

Clock Arithmetic and Cryptography

For Teachers 2nd - 5th
Students perform basic operations in modular (clock) arithmetic. Students encode and decode messages using shift and affine ciphers. Students apply their multiplication, division, addition, and subtraction skills.
Worksheet
Helping with Math

Ratio and Proportion: Writing Ratios (1 of 2)

For Students 4th - 6th Standards
Here is the first of two printable ratio worksheets. For the first three problems, pupils count the numbers of two different objects and simply write down the ratios. There are then four problems in word form for which they also write...
Lesson Plan
Curated OER

"Subtraction Bowling"

For Teachers 1st - 2nd
Students experience the math concept of subtraction without regrouping. They practice subtraction bowling to work on their basic subtraction skills. Each student demonstrates mastery of the addition and subtraction facts, the meaning of...
Lesson Plan
Curated OER

Linear Equations

For Teachers 9th - 11th
In this algebra worksheet, student linear equations through addition, subtraction, multiplication and division. They check their work algebraically. There are 26 problems.