[Free Registration/Login may be required to access all resource tools.] This lesson covers finding the sum of a geometric series using the formula and the calculator.

[Free Registration/Login Required] All students use numbers, number systems and equivalent forms (including number words, objects, and graphs) to compute, estimate, and solve theoretical and practical problems.

Identify correctly factored forms of given polynomials. Factorizations may use complex numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

This site defines a linear equation in a very basic and understandable way. The opening page gives examples of linear equations and questions posed to the reader which may be answered easily by examining the definition given. Be sure to...

Explains how to change the number one to various different improper fractions. Gives examples and exercises to practice this skill.

Do you need practice learning and remembering your decimals and their common fraction equivalents? Use this flash card game to practice. When you finish click the start over button and an entirely new set is produced. There is a link to...

This tutorial features conversions of basic fractions in lowest terms and the decimal equivalents.

This is a handy little applet that lets you convert a fraction to a decimal or decimal to fraction. It can handle proper and improper fractions.

Explains step-by-step how to change a decimal to a fraction. Gives examples and exercises to practice this skill.

This tutorial lets students practice converting fractions to decimal equivalents.

This tutorial has students practice matching fractions and their decimal equivalents using a concentration game format.

Rewrite a given exponential expression in a specific desired form. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Seventh graders use ratio cards to find equivalencies and form partnerships for the week. As a class, 7th graders discuss and decide on classroom norms. Give each student a ratio card. Instruct students to find a classmate whose card has...

Antimatter, the charge reversed equivalent of matter, has captured the imaginations of science fiction fans for years as a perfectly efficient form of energy. While normal matter consists of atoms with negatively charged electrons...

Students learn to use the calculator to collect a set of data in order to identify patterns that illustrate important rational number concepts: the relationship between rational numbers and division, and equivalent fraction and decimal...

Rumors have always been useful for those who wanted to sow discord and trouble, and this was never more true than in 18th-century France. The hothouse atmosphere of the royal court, where factions and rivalries operated secretly to shape...

During this task, students will realize that equivalent expressions produce the same graph. The lesson will lead to discussions about the value of different forms of equations. Aligns with F-IF.C.7.a, A-SSE.B.3, and F-IF.C.7.

An interactive game to learn fractions less than one, greater than or equal to 1, which are written as mixed numbers and their equivalent decimal and percentage forms

Explains how to write any integer as a fraction. Gives examples and exercises to practice this skill.

Provides a definition and explanation of fission, the splitting of a heavy nucleus into two roughly equal parts, and fusion, the process where two nuclei combine together to form a larger nucleus.

[Free Registration/Login may be required to access all resource tools.] Add and subtract decimals with and without rounding