Curated OER
Empirical Formula: From Percentage to Formula
Starting with definitions of empirical and molecular formulas, this slide show guides pupils through the ways to calculate and produce chemical formulas as percentages and molar ratios. A number of examples are given for viewers to try...
Curated OER
Percentage Composition
In this chemical compounds learning exercise, students determine the empirical formula or the molecular formula for the compounds given. Students calculate percent composition. This learning exercise has 10 problems to solve.
Curated OER
Relative Mass Formula, Atomic Formula, and Empirical Formula
After giving the definitions of the different compound terms and formulas, equations are provided to teach your chemists to calculate different values. Relative formula mass, atomic mass, and empirical mass are shown and explained with...
Curated OER
M&Ms Count and Crunch
Students practice skills involving statistics and probability by making predictions on number of each color candy in one pound bag of M&Ms. They record both guesses and actual quantities, calculate percentages, and create bar graphs...
CK-12 Foundation
Computing Probabilities for the Standard Normal Distribution: The FDA and Food Safety
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...
CK-12 Foundation
Overview of Percents: Play Checkers
Bet classes didn't know playing checkers help with understanding percents. An interesting interactive has pupils consider a series of moves in checkers. It then requires them to answer a set of challenge questions on percentages...
Curated OER
The World in a Classroom
Young scholars calculate percentages of different kinds of people in the world. In this diversity lesson plan, students will see the percentages of different people and different incomes based on if the world only had 100 people in it.
Curated OER
Income Levels & Social Class: Is It All About Cash?
Students graph data and interpret that data after reading information about lifestyles and income levels. They calculate percentages, set up spreadsheets and calculate columnar data.
Curated OER
Decimal Baseball
Young mathematicians represent recorded information in decimal form. For this decimals lesson, learners play a "classroom friendly" basketball game in which pupils take 10 shots. Number of shots made out of 10 is recorded as a fraction...
Curated OER
Teaching Percentages
Students calculate percentages using the Percent Tricks method. They multiply and divide whole numbers. They count total number of candies in a bag and calculate the percent of each color.
Curated OER
Visual 1: The Cost of Credit
In this money management worksheet, learners examine an advertisement for a bike and respond to 3 questions that require them to calculate percentages
Curated OER
Weather Data - Percentages
In this weather activity, students calculate the percentage of weather conditions recorded over a month at three different locations. This activity has 12 problems to solve.
Curated OER
Markup and Discount
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...
Curated OER
It Has Been Rubbish For Years
Students are presented with the problems of percentages and focus upon numbers in contrast to 100. They calculate problems with money and are engaged with the use of games as a teaching tool. Students also interpret data as presented in...
Curated OER
Stock Market Math
Students calculate commission for a stock transaction through a broker using the relationship between percentages and decimals. They decide which stocks are preferable based on the price to earnings ratios listed on the stock market quotes.
Curated OER
Interest Rates
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...
Curated OER
Atomic Mass, Formula Mass and Percentage Composition Calculations
In this elements learning exercise, students calculate the relative formula mass and percentage composition calculations for given elements. This learning exercise has 16 problems to solve.
PBS
The Yo-Yo Problem
What do yo-yos and pennies have to do with linear equations? Learn about writing and solving linear equations while considering the Yo-Yo Problem and Penny Pattern Exploration from the High School Math Project. Learners utilize algebra...
Curated OER
Year 5: Percentages (2)
For this percents practice worksheet, students use their problem solving skills to respond to 11 questions that require them to calculate the percents of the given numbers.
Curated OER
Percentage of a Number
In this percentages practice worksheet, students read an instructional section regarding percents and then solve 16 problems where they must find a given percent of a specific number. Students also solve 4 percent word problems.
Curated OER
Problem Solving Using Percentages
Students explore the concept of percentages. In this percentages lesson, students find the percentages of various colored m&m's in their bags. Students find the cost of items before and after a discount. Students use proportions to...
Curated OER
Percentages (English Money and Metric Measures)
In this percentages worksheet, students solve 11 problems. Students find the percentage of a number or of a measurement. All money on the page and all measurements are English pound or metric. No examples are given.
Curated OER
Calculating Discounts and Sales
Students discover that a discount is used by manufacturers and merchants to mean taking off a certain percentage of the price given in a price list. This price is called the list price. The list price less the discount is known as the...
Curated OER
Statistical Calculations Using M&Ms
In this frequency activity, students investigate, frequency, box plots, and percentage using a package of M&Ms. Copies of the actual correspondences with the Mars company are also included.