A complete CCSS Grade 8 Mathematics course that includes interactives in every lesson, plus videos, hands-on activities, and questions with immediate feedback. Every lesson also has specifically chosen 'Related Modalities' that teach the...

A complete CCSS Grade 7 Mathematics course that includes interactives in every lesson, plus videos, hands-on activities, and questions with immediate feedback. Every lesson also has specifically chosen 'Related Modalities' that teach the...

Quadrilaterals-parallelograms, rectangles, and trapezoids-are thoroughly introduced in this lesson plan for upper elementary and middle school students. Lots of resources are linked to it to help support the teacher and students....

This site contains a lesson about ratios and unit rates as well as guided and independent practice for students to review the skills.

A very detailed lesson plan on determining the volume of rectangular prisms, teaching students how to derive the formula for volume, and to use it successfully. Plenty of examples, student work, and assessment options.

This instructional activity unit guides learners in developing strategies for modeling problems. The task focuses on investigating a cat shelter's claims about the rate of cat population growth. The unit includes a full lesson plan,...

Twenty-seven problems present a variety of practice solving linear systems by substitution. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View...

Explore opposites and reciprocals through positive and negative numbers and fractions.

This lesson is about counting by tens from AAAmath.com. There are separate sections for learning, practice, playing a game, and exploring more about skip counting.

[Free Registration/Login may be required to access all resource tools.] This lesson shows you how to determine if two matrices can be multiplied together and explains that the commutative property does not apply.

[Free Registration/Login may be required to access all resource tools.] In this lesson, students calculate the products and quotients of complex numbers, identifying conjugates. Students examine guided notes, review guided practice,...

[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn how to translate a figure. They examine guided notes, review examples, watch instructional videos, and try practice problems.

This multi-segment lesson plan uses games and calculators to explore the concept of equivalent expressions. Learners work together using inverse operations to isolate variables in algebraic equations. It also provides attachments for...

Students describe graphs and explore range, measures of central tendency, and distribution in this interactive web lesson.

In this lesson, students learn to inscribe regular polygons inside a circle.

[Free Registration/Login may be required to access all resource tools.] Looks at finding the direction and magnitude of vectors and breaking vectors into component parts.

[Free Registration/Login may be required to access all resource tools.] Learn how to graph lines using slope-intercept form.

[Free Registration/Login may be required to access all resource tools.] Learn how to solve two-step equations using the properties of equality. Tutorial includes video, lots of examples, and a set of review questions for practice or...

Demonstrates how to set up and solve 'percent of' word problems such as 'What percent of 16 is 5?'.