Science Geek
Percent Composition, Empirical and Molecular Formulas
Help your pupils understand when empirical becomes molecular. The lesson presentation demonstrates the connection between empirical formulas and molecular formulas. Then, given percent composition, the lesson demonstrates the steps to...
Curated OER
Introducing the Concept: Percents
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.
Curated OER
Developing the Concept: Percents
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.
Curated OER
Theoretical Yield and Percent Yield in Chemical Reaction
In this stoichiometry worksheet, learners solve several problems using the stoichiometric method. Students find the percent, theoretical, and actual yield for all problems presented.
Curated OER
Empirical Rule Practice Problems
Using the empirical rule for a normal distribution, young statisticians determine the percent of adult women with given heights and weights. They find the percentile rank of a woman of a stated height and find the area under a curve.
Curated OER
Worksheet #5: Mixture Word Problems
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...
Curated OER
Eraser Dog: Percents
In this percents learning exercise, learners solve 30 different problems related to determining percents of numbers. First, they define a percent as a ratio whose second term is 100.
Curated OER
Family Activity - Color by Numbers: Fractions, Decimals, and Percents
Learners solve four short answer problems. They determine the number of each color of candy or paper clip in a bag, and calculate the fractional, decimal, and percentage representation of the color compared to the total number of items.
Curated OER
Estimating With Fire
Students solve problems with percents, decimals and fractions. In this algebra instructional activity, students convert between fractions, percents and decimals. They estimate their answers and calculate their answer.
Mt. San Antonio Collage
Exponential Growth and Decay
Start with the basics and move up the exponential ladder to master a variety of problem-solving and application problems. The problems are heavy on exponential growth and decay, compound interest, and natural log.
EngageNY
Mid-Module Assessment Task: Grade 7 Mathematics Module 4
Assess the ability of the class to solve percent problems with an assessment that covers a variety of percent problems from basic to multi-step. Pupils make connections between percent problems and proportional thinking to complete the...
Curated OER
Leveled Problem Solving Percents and Fractions
In this percents and fractions worksheet, students learn to solve problems percent problems using fractions. Students solve six percent and fraction word problems.
Curated OER
Foul Shots
In this secondary mathematics instructional activity, students determine a basketball player’s percent accuracy and the number of foul shots he must make in order to raise his average to 50%. The one page instructional activity...
Math Mammoth
Mental Math in Percent Problems
In this math worksheet, learners are given 21 percentage problems which they are to work out mentally. There are story problems, tables and simple conversion.
Math Worksheets Land
Multistep Ratio and Percent Word Problems - Matching Worksheet
Increasing and decreasing values happen every day and your learners will be prepared after practicing this activity. Show them how ratios are a convenient method to convert between values to get the answer they need. Resource also comes...
Math Worksheets Land
Markups and Markdowns Word Problems - Matching Worksheet
Show learners how math is all around them with a worksheet that practices with percentage change. Match the eight problems regarding markups and markdowns to the answer choices, and see if they are ready to start shopping in the real world.
Teachnology
Statistics & Probability with Cards
Give young mathematicians a chance to demonstrate their understanding of basic probability with this series of worksheets. Presented with different situations involving dice and decks of cards, students must correctly determine the...
Curated OER
The Art of Interpreting Percent
Ddefine the relationships between fractions, decimals, and percentages in a series of lessons. The class practices converting between these three versions of a number. They also find the common factor of a numerator and denominator and...
EngageNY
Solving Percent Problems
Don't discount how much your pupils understand percents! The 27th lesson in a series of 29 presents a problem to find the cost of a discounted outfit. Small groups determine either the original price or the discount received given the...
EngageNY
Percent Error Problems
Individuals measure a computer monitor and determine how accurate their measures are. The eighth segment in a series of 20 introduces the concept of percent error. Pupils find the percent error of their measurements and discuss the...
Math Worksheets Land
Multistep Ratio and Percent Word Problems - Step-by-Step Lesson
What happens when you have a recipe and need to up the measurements? Here is a lesson that explains how to use ratios to convert measurements and percents with worked out problems. Also provided are additional resources and practice...
EngageNY
Percent
Extend percent understandings to include percents less than one and greater than 100. A great lesson has pupils build upon their knowledge of percents from sixth grade. They convert between fractions, decimals, and percents that are less...
Illustrative Mathematics
Comparing Years
Who knew that the Egyptian, Julian, and Gregorian year were different lengths? Your mathematicians will! They will have to calculate the difference between the years in seconds and find the percent change. Using dimensional analysis,...
Flipped Math
Exponential Growth
They grow by leaps and bounds. Learners watch a quick review on function notation as they prepare to learn more about exponential growth. Using their knowledge from sequences, pupils find out whether a function is linear or exponential,...