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305 resources with the keyterm equations

Videos (Over 2 Million Educational Videos Available)
Cells - Overview & Introduction Video
4:07
Cells - Overview & Introduction
Language and Creativity Video
5:25
Language and Creativity
Algebra 50 - Three Variable Systems in the Real World - Problem 2 Video
10:23
Algebra 50 - Three Variable Systems in the...
Other Resource Types (305)
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10:03
Lesson Planet: Curated OER

SAT Prep: Test 5 Section 3 Part 2

For Students 9th - 12th
Going over the last problem from the previous video (problem 5), Sal explains his thought process more carefully. Additionally, he solves problems involving measuring angles, algebraic expressions, and averages.
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Study Jams! Multiplication & Division Equations

For Students 5th - 7th Standards
Sam sets up both a multiplication and a division equation and works them through step by step. The one of each type are provided as independent practice. Have your middle schoolers watch the animation at home and take the accompanying...
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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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5:52
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How Do You Solve a Polynomial Equation With Two Variables?

For Teachers 8th - 9th
Sometimes you'll need to solve an equation with multiple variables on each side. This step-by-step tutorial will show you how to set your equation to 0, factor out the GCF, simplify, write your answers as a set, then plug and chug to...
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3:27
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How Do You Write an Absolute Value Inequality from a Word Problem?

For Teachers 7th - 10th
Use this word problem to practice turning words into math. You'll follow the step-by-step process to determine what is being asked and what you'll need to do to solve the problem. A great tutorial for learners needing a little extra help...
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2:12
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How Do You Write an Equation for a Vertical Line?

For Teachers 7th - 9th
To find the equation of a vertical line you need to use x=b to determine the equation. This tutorial explains the use of formula x=b to find a value for an unknown y. The explanation of this concept is rushed making this tutorial only...
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1:25
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Holes in Rational Equations

For Teachers 7th - 9th
When you have a hole in a graph it means that both the numerator and denominator equaled 0 in an equation. So what does that mean? Learners can brush up on this graphing concept and feel OK when they realize a hole in a graph is just a...
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1:34
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Factoring Quadratic Polynomials

For Teachers 5th - 8th
Learn how to factor the quadratic polynomial ax(squared)+bx+c, where (a) does not equal 1. This quick algebra lesson focuses on using the "bottoms up" method to factor this polynomial. The instructor uses an interactive whiteboard to...
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6:37
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How a Capacitor Works

For Teachers 9th - 12th
A capacitor stores energy in the form of an electric charge. See a circuit diagram explaining charges and electron flow. Equations are given for energy and a capacitor is made. Show this to your physics or beginning electronics class.
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Sore Throats, Variation 2

For Teachers 6th - 8th Standards
What does math have to do with a sore throat? When you mix water and salt you have a great review of how to represent proportional relationships by an equation or graph. Here the proportions of the mixtures may be different, but the...
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Ants Versus Humans

For Teachers 7th - 9th Standards
You would think that humans make up more mass than ants do on this planet, but think again, and this time by performing calculations. Middle schoolers use scientific notation to compute and compare the estimated total mass of all humans...
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Kimi and Jordan

For Teachers 7th - 9th Standards
A single activity gets your math class to solve a word problem using two linear equations and two variables. They compare the summer earnings of Kimi and Jordan and then graph the solutions to determine who will save the most money in a...
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Gateway Jeopardy

For Teachers 7th - 10th
Play Jeopardy and review these concepts before that upcoming test. Make sure the class has a good grasp of: order of operations, solving equations, and understanding functions. There are a few miscellaneous related concepts for review also.
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Pike Problems in Lake Davis

For Teachers 8th - 12th
Pike fish pose a threat to native trout and catfish in lakes. Would you drain and poison a lake to get rid of the Pike fish? If the lake was drained and poisoned, then refilled and repopulated with trout and catfish, how would you...
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3:59
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How Do You Solve a System of Equations Using the Substitution Method?

For Teachers 6th - 12th
Watch this video to learn how to find the solution to a system of equations with the substitution method! A teacher will lead you through each step necessary, explaining her steps and the reasoning behind her decisions. After watching...
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Reactions and Equations Lab , Spring 2003

For Teachers 9th
Seven reactions are detailed on the slides in this PowerPoint. The reactants and products are labelled on the photos. Your students are expected to be able to write the equations for the reaction that is happening in the image given....
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The Student-Generated Word Problem

For Teachers 5th - 8th
Explore word problems by reviewing math vocabulary. Critical thinkers read several word phrases and practice transforming them into numerical expressions. They create their own word problems based on existing math sentences.
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Using Variables in Simple Equations

For Teachers 4th - 7th Standards
A Cyberchase clip shows Hacker creating a game show that uses a variable to find out how much power is produced by a gleamer bug. Follow the video with a lesson about using variables to solve equations. Terrific handouts and assessments...
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The Math Things Mingle

For Teachers 7th
Even Seveth Graders can have fun engaging in a jigsaw activity. They discuss and define equations, inequalities, expressions, and algebraic symbol strings, cards representing each concept are passed to learners. They mingle with each...
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Chairs Around the Table

For Teachers 3rd - 5th
Youngsters become flexible problem solvers with this challenging lesson. If there are 24 square tables in a restaurant, how many customers can be seated at one time? They can use manipulatives or draw pictures to help them find the...
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How Many Ducks in the Pond?

For Students K - 1st
Kindergarten counters will be delighted to doddle with the ducks pictured on a two-page illustrated worksheet. The six story problems and two equations ask learners to add and subtract as the ducklings dabble in the pond.  An answer...
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Math Fun with Animals

For Students 3rd - 6th
In this equation worksheet, students solve the problem, then they draw an arrow to the right answer in the heart. The worksheet provides eight equations for the students to practice.
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Practice Makes Perfect

For Students 5th - 6th
In this solving for a variable worksheet, students use multiplication and division to solve problems. Students complete six problems by solving an equation.
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Bowling Over the Order of Operations

For Teachers 4th - 6th Standards
Upper graders will solve equations using order of operations, and create equations that to play a fun math bowling game. They will bowl using dice to practice operations. Extensions are also included.