Curated OER
Empirical Formula
Plenty of time was invested in creating this detailed presentation. The first slide alone includes several steps that support your explanation of percent composition, a precursor to understanding how to write empirical and molecular...
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.
Curated OER
Percent Equations
In this percent equations worksheet, 6th graders solve and complete 9 different types of problems. First, they find the value of each percentage provided. Then, students determine the percentage of a given number.
Curated OER
What proportion of rough rice is prepared into consumable rice?
Fifth graders find the percentages of rough rice that can be eaten. In this percentage lesson, 5th graders look at 100 lbs. of rough rice and see the steps needed before it can become the white rice sold in stores. They find the...
NTTI
If You Hopped Like a Frog
Get your frogs hopping by introducing them to the concepts of ratio and proportion. As a class, they perform arithmetic operations using ratios then discover how they represent quantitative relationships. In groups, they write their own...
Curated OER
Using Algebra to Explore Problem Space
Learners apply their knowledge of math by rewriting word problems using equations. In this word problem lesson, students build upon previous knowledge as they set up the correct steps to solve word problems. This lesson is full of hints...
Curated OER
Nutrition: A Thematic Unit
Young learners explore nutrition and the food groups in these two mini-lesson plan ideas. First, kindergarteners have a discussion about their health and how different foods contribute to it before making their own personal food pyramid....
Curated OER
Chapter 2 and 3 Practice Worksheet - Formulas and Compounds
In this formulas and equations worksheet, chemistry apprentices write the chemical formulas given the names. They calculate percent composition, balance equations, and calculate the mass of a substance present in a fertilizer. This is a...
Math Worksheets Land
Find Percentages of Numbers - Step-by-Step Lesson
Finding a percentage of a number is a skill learners must know in order to be successful thinkers. The resource introduces this concept with a guided explanation and can be used with the additional materials as a...
Math Worksheets Land
Find Percentages of Numbers - Independent Practice Worksheet
Put your learners to the test and see how well they can calculate percentages of numbers. The ten-problem worksheet doesn't specify which method to use to solve, which gives them the freedom to choose.
Curated OER
Using the Proportion Method to Solve Percent Problems
For this algebra worksheet, students calculate the percents of a number. They convert between decimals and percents. There are 20 questions with an answer key.
Curated OER
Percent Application Worksheet
In this problem solving worksheet, learners solve each of the ten word problems by using their knowledge of percent, proportions, simple interest, and sales tax.
Math Worksheets Land
Find Percentages of Numbers - Guided Lesson
Practice the skill of finding percentages of a number with this resource and explanation key. The worksheet also comes with a quick lesson and additional practice problems to provide a complete lesson for your learners.
EngageNY
Margin of Error When Estimating a Population Mean (part 1)
We know that sample data varies — it's time to quantify that variability! After calculating a sample mean, pupils calculate the margin of error. They repeat the process with a greater number of sample means and compare the results.
Curated OER
The Golden Students
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...
Inside Mathematics
Coffee
There are many ways to correlate coffee to life, but in this case a worksheet looks at the price of two different sizes of coffee. It requires interpreting a graph with two unknown variables, in this case the price, and solving for...
Kenan Fellows
Isotopic Pennies
Many people confuse atomic mass and atomic numbers. The sixth of seven lessons in a unit requires scholars to find the weight of different groups of pennies. Then, they must solve how many of each type of penny exists in a closed system...
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...
Curated OER
Proportion to Percentage
In this division worksheet, 7th graders divide the proportion number given by the whole and move the decimal point to place to find the percent value.
Curated OER
Sizing Up the Supersize Croc
Young scholars examine and compare traits of humans and crocodiles. In this crocodile lesson plan students use a ratio to estimate the height of a person and compare that to a crocodile.
Curated OER
Family Letter - Foreign Currency and Exchange Rates: Proportions and Ratios
In this proportions and ratios worksheet, learners solve 6 short answer problems. Students find the foreign currency exchange rates for six countries. Learners express the exchange rate as a proportion or ratio.
Curated OER
Chapter 4 - Objective 4.1 - Sale Price
For 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.
Curated OER
Using Ratios to Taste the Rainbow
Students solve problems using ratios and proportion. For this algebra lesson, students analyze skittles and their different colors as they apply the properties of ratios and proportions to solve their problems.