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Worksheet
Curated OER

Roots and Radical Expressions

For Students 11th
In this Algebra II worksheet, 11th graders simplify radical expressions.  The two page worksheet contains explanation, worked example, and three practice problems.  Answers are not included. 
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Lesson Plan
Curated OER

Using Ratios

For Teachers 8th - 10th
Students study the Golden Ratio and its relationship to Renaissance artists. After exploring proportions and ratios used by Renaissance artists, students create a mix of ten variations of color paint, and record the ratios of primary...
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Lesson Plan
Curated OER

Making Predictions

For Teachers 8th - 11th
Students collect and classify items. In this making predictions activity, students go outside and collect specimens of plants, insects and minerals. They classify each item and place them in a Venn Diagram. Students compare and...
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Lesson Plan
Curated OER

Prime and Composite Numbers

For Teachers 6th
Sixth graders inspect prime and composite numbers. Using graph paper, they draw as many different shaped rectangles as possible. They use the dimensions of the rectangles to discuss prime and composite numbers. Students create a chart...
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Lesson Plan
Curated OER

Coin Drop

For Teachers 7th - 12th
Pupils calculate the theoretical and empirical probability by dropping coins on a grid. They record their data and compare the theoretical and empirical data. Students make predictions about the results before conducting the experiment.
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Lesson Plan
Curated OER

A RealSim Surface Look at Descriptive Statistics

For Teachers 5th - 12th
Students explore the concepts of mean and variance. They observe properties of materials to their basic atomic or molecular structure. Students use spreadsheet software to record, tabulate and analyze collected information.
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Lesson Plan
Curated OER

The Clumsy Tiler S

For Teachers 4th
Fourth graders solve a series of parallel problems. They use statistics, geometrical, and numerical aspects to solve the problem. Students create a pattern that answers the problem.
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Lesson Plan
Curated OER

The Clumsy Tiler N (Fractions)

For Teachers 4th - 7th
Students explore patterns and geometric sequencing. Students devise and use problem solving strategies to explore situations mathematically. Students solve real life problems. They demonstrate, with cardboard pieces, fraction and...
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Lesson Planet Article
Curated OER

The Symmetry of Snowflakes

For Teachers 3rd - 5th
Celebrating the change of season with science and language arts activities.
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Article
Khan Academy

Khan Academy: Square Roots of Perfect Squares

For Students 6th - 8th Standards
Learn how to find square roots of perfect squares in this article. Also included are questions to test student's knowledge of the topic.
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Interactive
Government of Alberta

Learn Alberta: Math Interactives: Exploring Square Roots (Object Interactive)

For Students 6th - 8th Standards
Explore a set of perfect squares, as well as their square roots using this highly interactive math resource. In addition, students will get to look at estimates of the square roots of non-perfect squares. Printable activities, solutions,...
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Unit Plan
Lawrence Hall of Science

The Math Page: Skill in Algebra: Perfect Trinomial Square

For Students 9th - 10th
Here is a site that clearly and thoroughly explains multiplying and factoring perfect square trinomials. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to...
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Activity
Math Medics

S.o.s. Math: Factoring: Some Special Cases

For Students 9th - 10th
In this lesson, special cases of factoring are described, including perfect squares, difference of squares, and difference and sum of cubes. Exercises with answers included.
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Graphic
Wyzant

Wyzant: Perfect Square List

For Students 9th - 10th Standards
WyzAnt provides a list of numbers and their squares. The user decides how many perfect squares to be displayed and in what fashion. The table makes a good reference sheet for students and teachers.
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Activity
Texas Instruments

Texas Instruments: Estimating Square Roots

For Teachers 9th - 10th
By estimating the value of a square root students will get practice in identifying perfect squares, in checking for reasonableness of an answer, and in mental math.
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Completing the Square

For Students 8th - 9th Standards
[Free Registration/Login may be required to access all resource tools.] Learn how to complete the square in order to solve quadratic equations.
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Interactive
Government of Alberta

Learn Alberta: Math Interactives: Exploring Square Roots Video

For Students 6th - 8th Standards
This video illustrates the concepts of square roots, slope, and the Pythagorean Theorem as they are used in designing and constructing skate park rails, ramps, and pipes. An interactive activity is also included where students are able...
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Unknown Type
Khan Academy

Khan Academy: Square Roots

For Students 6th - 8th Standards
In this exercise, students practice finding the square roots of perfect squares. Students receive immediate feedback and have the opportunity to get hints, watch a video, and try questions repeatedly.
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Interactive
Lawrence Hall of Science

The Math Page: Topics in Pre Calculus: Completing the Square

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains how to solve quadratic equations by completing the square. The quadratic formula is derived using this method on this page. Point this site out to students who have been absent or who...
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Lesson Plan
Other

Nearpod: Quadratic Equations: Completing the Square

For Teachers 9th - 10th Standards
In this lesson on completing the square, students explore the connection between area models and perfect square trinomials. They also learn how to complete the square to transform a quadratic equation into vertex form.
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Activity
Oswego City School District

Regents Exam Prep Center: Simplifying Radicals

For Students 9th - 10th
Use this site to learn how to simplify radicals, even when the radical is not a perfect square. These examples will be a guide to you in simplifying all kinds of radicals.