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Lesson Plan
Willow Tree

Percents

For Students 7th - 10th Standards
We see percents everywhere! Building a solid understanding of their meaning is important to future mathematics, but also as citizens. Young scholars practice rewriting decimals, percents, and fractions. They also determine percents of a...
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Interactive
CK-12 Foundation

The Percent Equation: Soccer Stadium

For Students 6th - 8th Standards
A soccer-themed interactive challenges mathematicians to solve five questions involving percent equations. Question types include multiple-choice, fill in the blank, true or false and a discussion. A color-coded stadium with movable...
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Lesson Plan
Curated OER

Developing the Concept: Percents

For Teachers 5th - 7th
In this percents lesson, learners review how to solve a multiplication equation where they must solve for a variable. They solve equations with missing numbers and percents.
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Worksheet
Curated OER

Linear Equations

For Students 8th - 9th
Eighth and ninth graders solve and graph 42 different problems that include writing various equations and graphing them on a grid. First, they create a table for each equation and graph it on a grid locating the x-and y-intercepts. Then,...
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Worksheet
Curated OER

Percent Yield

For Students 9th - 12th
In this percent yield worksheet, students solve 4 problems. They find the percent yield given the chemical reaction, the mass of the reactants and the mass of the products. Given the percent yield students find the liters of a substance...
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Worksheet
Curated OER

Decimals, Percents, and Fractions

For Students 7th
Learners practice converting fractions, decimals, and percentages to communicate equal amounts. They fill in a table, determine the percentage of a total area that is shaded in diagrams, complete equations with decimals to the hundredths...
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Lesson Plan
EngageNY

Tax, Commissions, Fees, and Other Real-World Percent Problems

For Teachers 7th Standards
Pupils work several real-world problems that use percents in the 11th portion of a 20-part series. The problems contain percents involved with taxes, commissions, discounts, tips, fees, and interest. Scholars use the equations formed for...
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Lesson Plan
EngageNY

Part of a Whole as a Percent

For Teachers 7th Standards
Pupils use visual models, numeric methods, and equations to solve percent problems. To complete the second installment of 20, they find the part given the percent and the whole, find the percent given the part and the whole, and find the...
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Lesson Plan
EngageNY

Finding One Hundred Percent Given Another Percent

For Teachers 7th Standards
Class members solve problems to find the whole when given a percent. They  use double line numbers and factors of hundred to help break the 100 percent into equal segments. 
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Lesson Plan
Curated OER

Solving Linear Equations

For Teachers 7th - 9th
Math whizzes read a series of slides describing steps to solving linear equations. They view a slide-show presentation. Each page, or slide, presents a different topic. Topics include: defining a linear equations, inverse operations,...
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Lesson Plan
Curated OER

Introducing the Concept: Percents

For Teachers 5th - 6th
Students explore the math concept of percents. In this percents lesson, students examine visual examples of the relationships among fractions, decimals, and percents. Students also practice solving problems that their instructors model.
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Lesson Plan
Curated OER

Theoretical Yield and Percent Yield in Chemical Reaction

For Teachers 10th - Higher Ed
In this stoichiometry worksheet, pupils solve several problems using the stoichiometric method. Students find the percent, theoretical, and actual yield for all problems presented.
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Lesson Plan
Curated OER

Solving Systems of Equations Graphically

For Teachers 8th - 10th
It's great to apply algebra to real-world situations. Discuss examples of how a system of equations is used in everyday scenarios. Your math analysts will graph the system of equations, view examples, and complete a worksheet. Two web...
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Lesson Plan
Curated OER

Solving Linear Equations

For Teachers 9th
Study linear equations with this algebra lesson. Middle schoolers solve linear equations using the appropriate properties and create their own equations for each other to solve.
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Lesson Plan
Illustrative Mathematics

Chess Club

For Teachers 6th - 8th Standards
When the membership in a chess club changes, it is your mathematicians' job to find out how many boys and girls are attending and the percent change from last year. The activity provides a great compound problem finding the different...
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Lesson Plan
EngageNY

Problem Solving When the Percent Changes

For Teachers 7th Standards
Use more than one whole to solve percent problems. The ninth installment in a 20-part series has pupils work percent problems in which they must determine two wholes. Individuals use double number lines to represent and solve the...
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Lesson Plan
Illustrative Mathematics

Overlapping Squares

For Teachers 5th - 7th Standards
The objective of this activity is to find the percent of the area of a two squares overlapping. Mathematicians find the ratio of area for the part that overlaps to the rectangle formed. The final answer is a percent as a rate per 100....
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Lesson Plan
EngageNY

Percent Increase and Decrease

For Teachers 7th Standards
Increase the percent of pupils that are fluent in solving change problems with an activity that asks class members to look at problems that involve either increases or decreases and to express the change in terms of the percent of the...
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Interactive
CK-12 Foundation

Applications of Linear Systems: Alcohol Solution in Nursing

For Students 8th - 10th Standards
Solve alcohol systems to find the right solution. The interactive allows pupils to manipulate the amount of a solution and displays the total amount in a mixture. Individuals determine the amount of each solution needed to make 15 liters...
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Lesson Plan
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National Security Agency

Partying with Proportions and Percents

For Teachers 6th - 8th Standards
Examine ratios and proportions in several real-world scenarios. Children will calculate unit rates, work with proportions and percentages as they plan a party, purchase produce, and take a tally. This lesson plan recommends five...
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Worksheet
Curated OER

Limiting Reagents and Percent Yield Problems

For Students 10th
Twelve questions about the various calculations of mass and yield are given here.  There is significant practice of molarity calculations and consideration of the reactant and product balance.
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Worksheet
Curated OER

Stoichiometry

For Students 9th - 12th
In this stoichiometry worksheet, students solve thirty problems using the process of stoichiometry to find moles, molecules, and masses of substances in chemical reactions. Students balance chemical equations, find limiting reagents and...
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Lesson Plan
EngageNY

Population Problems

For Teachers 7th Standards
Find the percent of the population that meets the criteria. The 17th segment of a 20-part unit presents problems that involve percents of a population. Pupils use tape diagrams to create equations to find the percents of subgroups of the...
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Worksheet
Curated OER

Determining Percent Composition

For Students 9th - 12th
In this percent composition worksheet, high schoolers calculate the percent composition of compounds using their formula masses and masses of individual elements. They solve nine problems including calculating percent composition,...