Find "oceans of data" for students of all ages. NCTM, California, and Philadelphia standards are listed for each grade level along with lesson plans and other website resources.

This tutorial guides students through the steps in rearranging science formulas to solve for different variables. Includes practice exercises based on a variety of formulas.

The interactive resource investigates slope and intercept. Students adjust the sliders to control the slope (m) and the intercept (b) of the line. The equation and the line will change accordingly. Learners can also drag the origin.

[Free Registration/Login may be required to access all resource tools.] Students practice understanding various terms used in division.

Students learn how to construct shapes and understand the properties of these shapes. The lesson plan includes an overview and a lesson toolkit.

[Free Registration/Login may be required to access all resource tools.] In this learning module, students are asked to give the equivalent value of a digit in two different place value positions for numbers up to 10 million. Includes...

Explore how credit cards work in this video from KQED. In particular, you'll discover the impact and high cost of outstanding balances when borrowing money using credit cards. In the accompanying classroom activity, students discuss the...

Students investigate the concept of a number as a quantity. The lesson plan includes an overview and a instructional activity toolkit.

Students investigate the concept of a number as a quantity. The activity has learners convert back and forth between decimal and binary expansions of numbers. The lesson plan includes an overview and a lesson plan toolkit.

Learners explore connections between addition, subtraction, and multiplication. In addition, students review place value and learn about the distributive law. The lesson plan includes an overview and a lesson toolkit.

Students will learn how to apply the properties and characteristics of all triangles to solve real-world problems and identify and use the unique characteristics of right, isosceles, equilateral, acute, obtuse, and scalene triangles.

At the end of this lesson about the coordinate grid, students will be able to identify x- and y-axes, point of origin, quadrants, coordinates, and ordered pairs, and read, interpret, and plot points in any of the quadrants.

At the end of this lesson plan about formulas, students will be able to identify and apply the correct formula for a given situation, solve for any unknown component of the formulas for perimeter, circumference, and area of regular and...

In this lesson, students will watch videos about shapes and identify shapes in their environment and in art. Links to the videos are at the bottom of the lesson overview, other material links are also provided.

An article written for teachers with recommendations on how to present permutations, combinations, and the binomial theorem to students. It contains both useful suggestions about order of presentation and many class examples. A good...

Students are able to manipulate a parallelogram on a coordinate grid to explore properties of a parallelogram and then calculate the distance of the sides, altitude, and area. The resource also includes links to further explain important...

The educational resource consists of notes about long division and a detailed example. Students can also practice the skill by completing the accompanying problems and worksheets.

Lesson plans for many student activities which introduce the concept of polyhedra into the classroom. Some activities can be accomplished by hand with paper, pencils, and scissors, but the unit works best if the students can regularly...

This learning resource investigates irrational numbers. Students learn about the concept by exploring images, definitions, and examples. Includes practice questions.

NZMaths is a New Zealand teacher resource that provides lesson plans for students in algebra, geometry, measurement, numbers, statistics, logic and reasoning.

Introduce students to algebraic concepts with these free worksheets.

Resources to use when planning instruction on linear-quadratic systems. Find lessons on solving systems algebraically and graphically, a practice quiz with solutions, and a worksheet through which students investigate and solve systems.

When given a table, equation or verbal description, students will solve one- and two-variable equations and inequalities using algebraic steps or graphing methods.

Young scholars will learn how to draw a line of best fit for a set of data using m&m's and a "Bungee."