CK-12 Foundation
Ck 12: Algebra: Multi Step Equations With Like Terms
[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn how to solve multi-step equations by combining like terms. Students examine guided notes, review example problems, watch instructional...
Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: Solving Equations 1
Get independent practice determining if the variable value given is a solution for the equation. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
TeachEngineering
Teach Engineering: The Balancing Act
Students are given the opportunity to visualize and interact with concepts they have already learned, specifically algebraic equations and solving for unknown variables. Students construct a balancing seesaw system (LEGO Balance Scale)...
CK-12 Foundation
Ck 12: Elem Math: Letter Replacement (Division)
[Free Registration/Login may be required to access all resource tools.] In this learning module, students must solve equations to find the value of one or more unknowns, then determine the value of another unknown using division....
Lesson Tutor
Lesson Tutor: Balancing One Step Equations
The lesson plan provided here gives a step-by-step set of instructions for balancing an equation in order to find the value of the unknown variable. After two examples are worked through, 10 practice problems are given, as well as their...
Wyzant
Wyzant: Algebra Help
Heres a comprehensive review of the basics of algebra. WyzAnt includes lessons on varied topics, calculators that show step-by-step solutions, and interactive worksheets for practicing and testing your skills. Just choose a topic and use...
Sophia Learning
Sophia: Rhombi Practice Problems: Lesson 4
This lesson will provide examples that use the characteristics of rhombi to solve for unknown variables, side lenths, and angle measures. It is 4 of 5 in the series titled "Rhombi Practice Problems."
Sophia Learning
Sophia: Segment Bisectors Problems: Lesson 1
This lesson will demonstrate how to solve for unknown variables and segment lengths in problems that involve midpoint and segment bisectors. It is 1 of 5 in the series titled "Segment Bisectors Problems."
Sophia Learning
Sophia: Triangle Proportionality Theorem: Lesson 4
This lesson presents how to apply the triangle proportionality theorem to solve for unknown variables and side lengths. It is 4 of 6 in the series titled "Triangle Proportionality Theorem."
Illustrative Mathematics
Illustrative Mathematics: A Ced, a Rei Basketball
In this task, two brothers track how many games they have each won. Young scholars are asked to make calculations based on the percentage of games won. They set up a rational equation (and a rational inequality) in one variable, and then...
Wyzant
Wyzant: Equation Calculator
Students can input an equation and have the site solve it for them, complete with steps shown and explanations given along the way. Equations must be simple, first- or second-degree with only one variable. A quick list of rules to follow...
United Nations
Unesco: Algebra Review (In Arabic)
This page, part of a larger UNESCO site on math and science education, has 15 basic, open- and multiple-choice algebra questions, with the correct answer immediately following the question. Entirely in Arabic.
Illustrative Mathematics
Illustrative Mathematics: A ced.a.4: Equations and Formulas
For this exercise, students will use inverse operations to solve the equations for the unknown variable, or for the designated variable if there is more than one. Aligns with A-CED.A.4.
Illustrative Mathematics
Illustrative Mathematics: 3.oa the Class Trip
The purpose of this instructional task is for students to solve a two-step word problem and represent the unknown quantity with a variable. This task also addresses the concept of scarcity. Aligns with CCSS.Math.Content.3.OA.D.8 Solve...