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Unit Plan
Curated OER

Multiplication & Division

For Teachers 4th - 5th Standards
Helpful for building a multiplication unit that focuses on different strategies. With explanations about repeated addition and subtraction as foundations for multiplication, scaling, summaries of progression, and basic multiplication and...
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Lesson Plan
Curated OER

Graphing Linear Equations and Inequalities

For Teachers 9th - 10th
Learners discuss methods to solve equations and inequalities with one variable. As a review, they write Addition and Subtraction properties of equality and Multiplication and Division properties of equality. Students graph points, write...
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Lesson Plan
Curated OER

Worksheet #2: Algebraic Expressions

For Teachers 9th - 10th
In this algebraic expression worksheet, students evaluate algebraic expressions involving the addition, subtraction, division, and multiplication of negative and positive integers. Students identify mathematical properties and find the...
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Lesson Plan
Curated OER

College Prep Algebra, Polynomials

For Teachers 8th - 9th
In this algebra worksheet, students multiply 20 sets of polynomials. They add and subtract with 6 problems. Students use the distributive property to simplify on several problems.
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Lesson Plan
Curated OER

Group Isomorphisms

For Teachers 9th - 10th
Students identify and apply properties of triangles. In this geometry lesson, students define equilateral triangles by sides and angles. They build cardboard triangles as they study properties of triangles.
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Worksheet
Curated OER

Rational Exponents

For Students 8th - 9th
Simplify algebraic expressions involving rational exponents using this one page interactive instructional activity. It contains five multiple choice questions and is self checking.
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Lesson Plan
Virginia Department of Education

Scientifically Speaking

For Teachers 7th - 10th Standards
Explore the connection between operations with scientific notation and the laws of exponents. Scholars work on a set of word problems involving operations with scientific notation. Along the way, they consider how the laws of exponents...
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Lesson Plan
Curated OER

Investigation - Adrienne's Pattern Block Angles

For Teachers 5th
Fifth graders investigate possible solutions to a word problem. They explore properties of polygons and right angles. Students demonstrate proper angle measurement. Students discover patterns.
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Lesson Plan
Curated OER

Sorting and Classifying

For Teachers 5th
Fifth graders are engaged in sorting and classifying geometric shapes of various colors and sizes. They discuss the properties of these shapes and illustrate a range of classifications using Venn diagrams.
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Lesson Plan
Curated OER

Direct, Inverse, And Joint Variation

For Teachers 9th - 12th
Students engage in a lesson that has them practice solving equations using multiplication and division. They practice solving problems using the properties needed and then students practice changing word problems into an equation.
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Lesson Plan
Curated OER

Tin-Foil Twinkles

For Teachers 4th - 12th
Students compare and discuss characteristics and properties of 2- and 3-dimensional shapes. They construct 3-dimensional paper star figures, imaginatively customizing them with art tools and craft materials. Students analyze their...
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Lesson Plan
Curated OER

College Prep Algebra, Simplifying Expressions

For Teachers 8th - 9th
In this algebra worksheet, pupils use the distributive property to remove parenthesis. They combine like terms to simplify the expressions in 31 problems.
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Lesson Plan
Curated OER

College Prep Algebra, Solving Equations

For Teachers 8th - 9th
In this algebra worksheet, pupils combine like terms and solve for the given variable on 12 linear equations. Ten of the equations require students to use the distributive property.
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Lesson Plan
Curated OER

Circles, Squares, Triangles and Rectangles In Our World

For Teachers Pre-K - 2nd
Here is an engaging geometry lesson which has students identify the properties of shapes and cut shapes out of magazines. They make cookies using cookie cutters in various shapes.
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Worksheet
Curated OER

Order of Operations 4

For Students 4th - 6th
In this order of operations worksheet, students solve 15 short answer problems. Students use the order of operations and distributive property to simplify each expression.
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Lesson Plan
Curated OER

Finding the Area and Perimeter of Polygons

For Teachers 7th
Seventh graders practice finding the area and perimeter of polygons. In this polygon area lesson, 7th graders brainstorm shapes and take a walk to locate shapes. Students record properties of shapes and use various shapes to make a...
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Lesson Plan
Curated OER

Complex Numbers and Operations

For Teachers 8th - 10th
In this algebra worksheet, learners add, subtract and multiply using complex numbers. They apply the correct property of i as they solve. There are ten questions with an answer key.
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Lesson Plan
Curated OER

The Laws of Sines and Cosines Made Simple!

For Teachers 10th - 12th
Students study the law of sine and cosine. For this pre-calculus lesson, students create a triangle and identify the different ratios of a non-right triangle. They use the properties of sine and cosine to solve.
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Lesson Plan
Curated OER

Discovery Research of Quadratics

For Teachers 9th - 11th
Pupils investigate the properties behind the quadratic equation. In this algebra lesson, students identify quadratic equation in the real world. They graph the parabola and identify the vertex and intercepts.
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Lesson Plan
Curated OER

Probability and Applications of Simulations

For Teachers 7th - 9th
Middle schoolers apply properties of probability to the real world. In this probability lesson, learners simulate the construction of empirical distribution. They collect and analyze data using central tendencies.
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Lesson Plan
Illustrative Mathematics

Making Cookies

For Teachers 5th - 7th Standards
Hooray for chocolate chip cookies! Ask your mathematicians to triple a chocolate chip cookie recipe and then reduce the recipe by one-fourth. Your class may need two days to complete, tripling the recipe the first day and reducing the...
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Lesson Plan
Center for Mathematics and Technology

Whole Numbers: Using an Area Model to Explain Multiplication

For Teachers 3rd - 4th Standards
There are many ways to work through a multiplication problem. Using an area model, kids complete several worksheets with different types of multiplication problems, including multiplying by ten, and explain how the new strategies differ...
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Lesson Plan
West Contra Costa Unified School District

Divisibility Rules Justified

For Teachers 6th - 8th
How do you know if a number is divisible? Instructors first prove the divisibility rules for three and four and then class members use this modeling to prove given divisibility rules for eight and nine either individually or in groups.
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Handout
Thomson Brooks-Core

Complex Numbers

For Students 10th - 12th
A straightforward approach to teaching complex numbers, this lesson addresses the concepts of complex numbers, polar coordinates, Euler's formula, De moivres Theorem, and more. It includes a practice problems set with odd answers and a...

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