Print or create worksheets or flashcards to assess students' understanding of multiplying or dividing negative numbers.

Students can type any positive or negative number into the square root calculator. The calculator reduces the square root to its simplest radical form.

View this simulation to see how lattice structures are formed when particles of different shapes and charges form bonds.

Practice answering questions with affirmative and negative tu commands and direct and indirect object pronouns. Stem-changers, spelling changes, regular and irregular command forms are included in this exercise.

Create a worksheet to assess students understanding of adding and subtracting with negative and positive numbers.

Seventh graders compare the batting averages of two baseball players in this lesson.

Practice forming affirmative and negative tu commands with reflexive pronouns in this Spanish tutorial. Infinitives are provided as cues for the exercise as well as stem-changers, spelling changes, and regular and irregular command forms.

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...

The lesson teaches learners about an important characteristic of lines: their slopes. Slope can be determined either in graphical or algebraic form. Slope can also be described as positive, negative, zero or undefined. Students get an...

This online dictionary of art from Artlex provides terms is a valuable tool. Shape is on the Sg-Sh page. Just scroll down to Shape and read a definition with links to other important terms.

Great review of regular and irregular command forms for the pronouns tu and usted. A quiz at the end of the lesson tests the student's mastery of these informal and formal command forms.

A discussion on how to solve linear and nonlinear inequalities is presented. Both the Test Method and the Factor Method of checking positive/negative intervals are included as part of the discussion.

Great introduction to irregular affirmative commands in Spanish that use the pronoun tu: decir, hacer, ir, poner, salir, ser, tener, and venir. A quiz at the end of the lesson tests the student's mastery of these irregular command forms.

Given a complex number in the form a+bi, find its absolute value. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. HSN.CN.B.4

A tutorial illustrating ionic bonding. Tutorial explains how and why it occurs with animations and some interactive activities throughout. Explore the bond that forms between sodium and chlorine as you count the number of atoms present.

Use this calculator to simplify ratios of the form A : B. A or B can be whole numbers, integers, decimal numbers, fractions or mixed numbers. They can be different types, for example, one fraction and one decimal. The ratio values can be...