Interactive
Scholastic

Study Jams! Determine the Missing Operation in an Equation

For Teachers 4th - 6th
Deepen the number sense of your math class with a short presentation on writing equations. Using the relationship between numbers, young mathematicians learn how to determine the missing operator in an equation. A number of opportunities...
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Curated OER

Simultaneous Equations for Circuit Analysis

For Students 8th - 12th
For this worksheet, students use Algebra to plot different solutions to equations and analyze schematics in order to answer a series of 25 open-ended questions about electrical circuits. This worksheet is printable and the answers are...
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Curated OER

Solving Simple Equations

For Students 7th - 9th
In this simple equations worksheet, learners solve 21 one-step equations by using addition or subtraction.
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Curated OER

Active Loads in Amplifier Circuits

For Students 10th - Higher Ed
In this electrical worksheet, students answer a series of 7 open-ended questions with schematics about active loads in amplifier circuits. This worksheet is printable and the  answers are available on-line.
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Quia

Quia: Easy Algebra Equations

For Students 9th - 10th
Do you need practice solving algebra equations? This Rags to Riches game is for you! This site has a game show format. There are hints to help you narrow down your choice of answers.
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Math Is Fun

Math Is Fun: Balance When Adding and Subtracting

For Students 3rd - 8th
An interactive scale shows you how to deal with numbers and variables when solving simple algebraic equations.
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National Council of Teachers of Mathematics

Nctm: Illuminations: Pan Balance Shapes

For Students Pre-K - 1st
Use this virtual, double pan balance and explore what shapes and amounts of shape balance each other. Great introduction to beginning algebra concepts.
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Quia

Ixl Learning: Add and Subtract Like Terms

For Students 5th - 7th
Students practice solving simple one-step equations by playing an online math game.