EngageNY
Percent Rate of Change
If mathematicians know the secret to compound interest, why aren't more of them rich? Young mathematicians explore compound interest with exponential functions in the twenty-seventh installment of a 35-part module. They calculate future...
EngageNY
Margin of Error When Estimating a Population Proportion (part 1)
Use the power of mathematics to find the number of red chips in a bag — it's a little like magic! The activity asks learners to collect data to determine the percentage of red chips in a bag. They calculate the margin of error and...
EngageNY
End-of-Module Assessment Task: Grade 7 Mathematics Module 6
Determine the level of understanding within your classes using a summative assessment. As the final lesson in a 29-part module, the goal is to assess the topics addressed during the unit. Concepts range from linear angle relationships,...
Science Matters
Ring of Fire
Over a period of 35 years, earthquakes and volcanoes combined only accounted for 1.5 percent of the deaths from natural disasters in the United States. The 15th lesson in a 20-part series connects the locations of earthquakes and...
Curated OER
Inscribing a Square in a Circle
Inscribing a square in a circle brings up a number of interesting geometry topics including triangle congruence and how to prove a quadrilateral is a square. This activity is followed up by finding the area of the square and determining...
Curated OER
Finding Percents of a Number
In this finding percents worksheet, students use the given percent and number to help them find the value of each percent. Students solve forty percent problems.
Curated OER
Find Percents of a Number (B)
In this finding percents activity, students use the given percent and number to help them find the value of each percent. Students solve forty percent problems.
Curated OER
Finding Percents of a Number (B)
In this finding percents worksheet, students use the given percent and number to help them find the value of each percent. Students solve forty percent problems.
Curated OER
Finding Percents of a Number
In this percents worksheet, learners find the value of each percent and number. Students solve forty percent conversion problems.
Curated OER
Percent of a Number
In this percent of a number worksheet, students solve percentage problems. They find the percent of a number, or identify a missing number when given the percent. This one-page worksheet contains ten problems.
Curated OER
Percent of a Number
In this percents practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
Curated OER
Mental Math: Percent of a Number
In this percent of a number worksheet, students solve a series of 6 word problems. Students are given "hints" to help solve problems 1 and 2.
Common Core Sheets
Finding Percent of a Decimal
Math sleuths find ways to solve problems to the nearest hundredth. These worksheets enable them find the percent of a decimal and is great for practice/reinforcement of this skill.
Council for Economic Education
Calculating Simple Interest
How much is owed? A calculated resource introduces the simple interest formula with a video that describes how to use it. Classmates then show what they know by answering questions within a simple interest worksheet.
Curated OER
What's in a Number? Analyzing Smoking Statistics
Sixth and seventh graders analyze smoking statistics. In this health activity, learners look at the percentage of people who smoke from each race group. They create a bar graph and circle graph that displays this information.
Curated OER
Finding A Percentage
Helpful after a lesson on percentages, this worksheet can reinforce the steps and formulas necessary for finding percentages. Students calculate the percent one number is of another, and then the percent of change (increase or decrease)...
Curated OER
Percent Equation 3
In this percent equation worksheet, students use proportions to find the percent of a given number. This two-page worksheet contains 12 problems. Answers are provided on the last page of the worksheet.
National Security Agency
It's Probably Probable
Learners make predictions and draw conclusions from given information as they learn the meaning of probability in this vocabulary-rich, integrated activity that presents a variety of teaching strategies to motivate and reach...
Lane Community College
Review Sheets: Basic Mathematics 2
A good mix of Pre-Algebra problems, learners tackle everything from proportions and equations, to polygons and circles. The sections are broken up by topic with a list of the skills that are required to complete the questions.
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.
College Board
AP Physics 1 and 2 Inquiry-Based Lab Investigations
Have you ever wondered what type of AP Physics investigations The College Board wants? This is the guide for you! Sixteen labs covering both Physics I and II will get you started and inspire you to meet the requirement of 25 percent of...
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...
Curated OER
Calculate the Slope of a Line Using Two Points
Find that slope! This video does an excellent job of demonstrating how to use the slope formula to find the slope of a line using two points. The instructor first reviews the definition of slope of a line, then works three problems using...
Public Schools of North Carolina
Math Stars: A Problem-Solving Newsletter Grade 4
Fresh off the press, these math newsletters will challenge the problem solving skills of your young mathematicians. With an incredibly wide variety of questions covering the topics of arithmetic and geometry, these unique...