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PPT
Curated OER

Mental Math Warmup

For Teachers 4th - 6th
The equivalency of fractions, decimals, and percents is the focus of this short, but effective, presentation. Learners view grids of squares that are shaded in varying degrees. They must calculate the fraction, decimal, and percentile...
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Worksheet
Curated OER

Math in Science-Rain Forest Math

For Students 9th - 11th
In this rain forest learning exercise, students use different basic math skills to calculate the percentage of Earth covered by rain forests today compared to fifty years ago. They study the effects of how cutting down trees contributes...
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Organizer
Curated OER

Fractions as Percentage and Decimals

For Students 5th - 6th
In this fractions, percentages, and decimals learning exercise, students solve 14 problems where they must convert back and forth. Students are given numbers in fraction, percentage, and decimal form and are asked to change their form. 
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Lesson Plan
Curated OER

Percentages

For Teachers 5th - 8th
Students examine the concept of percent and calculate percentages of one hundred and convert them into fractions and decimals. They view and discuss a one hundred square grid and identify percentages. Students design a playground...
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Worksheet
Curated OER

Working with Percentages and Proportions

For Students 6th - 8th
In this percentages and proportions activity, learners are given percentages, they express them as a proportions, they create an equivalent ratio using "x" for the unknown portion and they cross multiply and divide to find their answer.
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Lesson Plan
Curated OER

Calculate Percentages

For Teachers 6th - 7th
Sixth and seventh graders study the concept of finding the percent of a number. They calculate the percent of any given number. Pupils describe ways to use calculating percents in their daily life, and change percents into decimals,...
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Worksheet
Curated OER

Calculating Total From Percents

For Students 3rd - 4th Standards
Using this short review of finding a percentage of a number, learners can practice important skills. There are twelve questions on this worksheet.
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Assessment
Noyce Foundation

Mixing Paints

For Teachers 6th - 7th Standards
Let's paint the town equal parts yellow and violet, or simply brown. Pupils calculate the amount of blue and red paint needed to make six quarts of brown paint. Individuals then explain how they determined the percentage of the brown...
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Interactive
CK-12 Foundation

Computing Probabilities for the Standard Normal Distribution: The FDA and Food Safety

For Students 9th - 12th Standards
To recall or not to recall, that is the question. Using provided data, pupils calculate the percent of people that may fall ill on average. The scholars determine the standard deviation based upon the mean and the empirical rule, then...
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Worksheet
Balanced Assessment

Who's Left?

For Students 6th - 8th
If you're not right-handed, are you wrong-handed? Young statisticians calculate the percentage of left-handed people using a given data set in the assessment task. They plot data on a scatter plot and consider how the line of best fit...
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Worksheet
Mathed Up!

Ordering Fractions, Decimals, and Percentages

For Students 3rd - 5th Standards
Give scholars the opportunity to show what they know about ordering fractions, decimals, and percents with a five-page, eight-problem independent practice. With clear instructions and supportive advice, learners are bound for a...
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Worksheet
Curated OER

Fractions and Percentages extra exercises 4.1

For Students 4th - 5th
In this working with fraction and percentage worksheet, learners complete fractions, write fractions in simplest form, write fractions in order of size, calculate fractions of whole numbers, solve word problems, add and subtract...
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Lesson Plan
2
2
Curated OER

Two Triangles' Area

For Teachers 7th - 9th Standards
Need an activity for teaching the Pythagorean Theorem? Geometry juniors apply the Pythagorean theorem to two triangles to determine a final calculation. 
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Lesson Plan
Curated OER

Discovering Math Concepts in Business Mathematics, Economics, and Finance

For Teachers 10th - 12th
Explore the concept of money and research its origin. There are many concepts related to business math, thusly, there are many formulas used to make calculations around money. Exchange rates of money in different countries, interest,...
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Lesson Plan
Curated OER

Markup and Discount

For Teachers 7th
Seventh graders observe and demonstrate how to calculate markups and discounts including markup percentages and discount percentages. They observe a teacher-led demonstration, then in pairs read scenarios and independently complete...
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Lesson Plan
Curated OER

Interest Rates

For Teachers 5th - 8th
Use a KWL chart and discussion to explore the concept behind loans with interest based on percentage rates. Learners examine different types of interest, the history of interest loans and calculate the costs of a loan over a ten-year...
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Lesson Plan
Curated OER

Coal Supply and Demand

For Teachers 5th - 10th
A hands-on simulation perfect for an economics lesson, young learners investigate the availability of different sources of natural energy (coal, natural gas, oil, solar, and nuclear) and how this availability affects their cost. Simulate...
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Interactive
CK-12 Foundation

Stratified Random Sampling: An Extracurricular Study

For Students 9th - 12th Standards
Learning isn't a random process. A well-designed interactive lesson helps classes make key conclusions about stratified random sampling. They calculate group percentages and use those percentages to decide on sampling totals.
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Unit Plan
Radford University

How Is Your Gender Represented?

For Teachers 9th - 12th Standards
Does the media shape people's views on gender? Scholars use data on gender portrayal in magazines to explore the idea. They use a spreadsheet program to create bar graphs and perform a chi-square test. They also use provided data to...
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Worksheet
Curated OER

M&M’s Math Worksheet

For Students 3rd - 8th
Who knew you could cover prediction, histograms, fractions, decimals, data collection, and averages (mean, median, and mode) all with a bag of M&M's®? Here's a fantastic set of worksheets to help you make candy a mathematical journey...
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Lesson Plan
1
1
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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Assessment
Mathed Up!

Fractions, Decimals, and Percentages

For Students 7th - 9th Standards
After watching a video on making conversions, young mathematicians solve 16 math problems that involve making conversions of fractions to decimals and percents, decimals to fractions and percents, and percents to fractions and decimals.
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Assessment
Los Angeles County Office of Education

Assessment For The California Mathematics Standards Grade 6

For Students 6th Standards
Test your scholars' knowledge of a multitude of concepts with an assessment aligned to the California math standards. Using the exam, class members show what they know about the four operations, positive and negative numbers, statistics...
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Activity
US Department of Commerce

Educational Attainment and Marriage Age - Testing a Correlation Coefficient's Significance

For Teachers 11th - 12th Standards
Do women with college degrees get married later? Using a provided scatter plot of the percentage of women who earn bachelor's degrees and the median age at which women first get married over time, pupils conduct a linear regression...