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Lesson Plan
Curated OER

Ratio Relationships

For Teachers 9th - 11th
Students solve for the different ratio and proportion of a problem. In this geometry lesson plan, students show their knowledge of how to solve proportional relationships. They convert between percent, decimals and fractions.
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Worksheet
Curated OER

Fractions, Decimals and Percentages

For Students 6th - 8th
In this fractions, decimals, and percentages worksheet, students compare and order given amounts. Students identify equivalent numbers. They calculate the percent of a given number and convert from a fraction to a percent and to a...
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Worksheet
Raytheon

Probability, Percent, and Proportion

For Students 6th - 8th
In this probability and predictions learning exercise, students read 1 page of facts, then solve 8 pages of problems related to probability, with answers keys included.
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Lesson Plan
Curated OER

Shots, Standings, and Shopping

For Teachers 6th - 8th
Rates and ratios can easily be applied to real-world situations. Learners explore a series of websites in order to procure comparable data. They define ratios and rates, view videos, and use the internet to explore how ratios and rates...
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Worksheet
Curated OER

Chapter 4 - Objective 6.1 - Unit Rate & Mixture Problems

For Students 10th - Higher Ed
In this unit rate worksheet, students read story problems and determine the unit rate. They set up equations to solve proportion, percent and mixture problems. This one-page worksheet contains seven story problems.
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Lesson Plan
Curated OER

Proportions in Stories

For Teachers 8th - 10th
Students solve problems dealing with ratios and proportions. In this algebra lesson, students rewrite word problems using equations and symbols. They correctly convert between percents and decimals.
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Worksheet
Curated OER

Chapter 4 - Objective 4.1 - Sale Price

For Students 9th - 11th
In this sale price worksheet, students read story problems and find the sale price of given items. They determine the percent of change and figure discounts. This one-page worksheet contains four problems.
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Worksheet
Curated OER

Three Bean Salads

For Students 4th - 5th
In this math worksheet, student compare the recipes for three different salads. Using the concepts of percents and proportions the amount of beans is calculated.
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Organizer
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Yummy Math

US Holiday Candy Sales

For Students 6th - 8th Standards
Candy is a big business! Calculate the amount of money consumers spent on major holidays—Easter, Halloween, Christmas, Hanukkah, and Valentine's Day—based on the total amount of candy sales from 2011 and the percentage of each holiday's...
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Lesson Plan
Curated OER

Using Ratios to Taste the Rainbow

For Teachers 9th - 11th
Students solve problems using ratios and proportion. In this algebra lesson, students analyze skittles and their different colors as they apply the properties of ratios and proportions to solve their problems.
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Lesson Plan
Curated OER

Not Everything is More Expensive

For Teachers 4th - 5th
Students compare prices and determine percent increases and decreases of items in order to make wise purchases. In this percent increases and decreases lesson plan, students calculate the amounts based on grocery store ads.
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Lesson Plan
Curated OER

Worksheet #5: Mixture Word Problems

For Teachers 9th - 10th
In this mixture word problem worksheet, students read story problems and determine what information is necessary to solve the mixture problem. They identify the correct solution, graph inequalities, and solve inequality equations. Nine...
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Lesson Plan
Illustrative Mathematics

Tax and Tip

For Teachers 6th - 8th Standards
Finding out how to calculate tax and tip is a valuable skill that all young adults should be able to do without a calculator. Learners are given a bill and asked to calculate the tax, tip, and total amount. Calculations can be exact or...
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Lesson Plan
Curated OER

Science Fair Space

For Teachers 6th - 9th
Students determine the most equitable way to share space and cost between three schools for a fictional science fair. Given a diagram, a word problem, and a data set, students analyze and explain the best way for all schools to share...
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Lesson Plan
Curated OER

Percentages in Word Problems

For Teachers 8th
Eighth graders, after brainstorming all the places they see percentages in every day life (sales, basketball, grades, etc.), calculate percentages from bases and parts in word problems. They review their notes together on percentage...
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Assessment
Mathematics Assessment Project

Sale!

For Students 7th Standards
Let's save some money! High schoolers investigate different options for price reductions. They then determine the best and worst sale from a list of options.
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Activity
Teach Engineering

Enough Energy? Play the Renew-a-Bead Game

For Teachers 6th - 8th Standards
Pairs simulate the energy usage of different countries by drawing beads from a bag, which contain different beginning ratios of non-renewable and renewable energy resources. The activity concludes with a series of questions to tie the...
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Lesson Plan
Curated OER

Fashion Sense and Dollar Wise

For Teachers 6th - 8th
Young scholars find the cost of an outfit. In this percentages lesson plan, students look at ads, pick out an outfit, and find the sale price. They create a commercial and complete 4 included worksheets. 
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Lesson Plan
Curated OER

Punch Mix-up

For Teachers 5th
Fifth graders discuss the relationship between equivalent fractions, ratios, and proportions. In this fraction lesson, 5th graders answer questions about a punch mixture in order to find the ratio of ingredients.
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Assessment
Los Angeles County Office of Education

Assessment for the California Mathematics Standards Grade 7

For Students 6th - 8th Standards
In need of an all-inclusive seventh grade math resource? Packed full of the topics necessary for Pre-Algebra the packet includes practice problems with different difficulty levels. It works great for any supplemental use needed in the...
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Lesson Plan
Santa Monica College

The Composition of Potassium Chlorate

For Teachers 9th - Higher Ed Standards
The third lesson in a series of 11 begins by using thermal decomposition of potassium chlorate to determine the mass percent of oxygen. Then a second activity allows scholars to demonstrate that the resulting residue is from a...
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Lesson Plan
Virginia Department of Education

Solution Concentrations

For Teachers 9th - 12th Standards
What happens when you combine 6.022 times 10 to the 23 piles of dirt into one? You make a mountain out of a mole hill. Scholars use dehydration to obtain percent composition and then calculate the molarity of the original solution. 
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Lesson Plan
Curated OER

The Golden Students

For Teachers 6th - 12th
Scholars view the video, "Donald Duck in Mathmagic Land," and discuss examples in nature which have proportions of the golden ratio. They measure and record different body lengths from a worksheet and convert the ratios to equivalent...
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Worksheet
Curated OER

Largest Hamburger Ever?

For Students 5th - 7th Standards
If a 150 lb. person can comfortably eat and digest a 1 lb. burger, then how large would the person be who can comfortably eat and digest a 350 lb. burger? For a burger that size, it would take either a large person or a class of really...

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