Lesson Plan
Curated OER

Using Random Sampling to Draw Inferences

For Teachers 7th Standards
Emerging statisticians develop the ability to make inferences from sample data while also working on proportional relationships in general. Here, young learners examine samples for bias, and then use random samples to make...
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...
Lesson Plan
EngageNY

Word Problems Leading to Rational Equations

For Students 10th - 12th Standards
Show learners how to apply rational equations to the real world. Learners solve problems such as those involving averages and dilution. They write equations to model the situation and then solve them to answer the question —...
Worksheet
Open Text Book Store

Arithmetic for College Students: Worksheets

For Students 5th - 7th Standards
Loaded with concepts ranging from multiplying decimals to converting units to solving problems using the order of operations, a thorough practice packet is perfect for a fifth or sixth grade math classroom.
Unit Plan
Bowland

In the Olympics, are Women Improving Faster than Men?

For Teachers 6th - 9th
Will the time come when women outperform men at the Olympic Games?Scholars investigate gender differences in Olympic Games performances. They study the historical participation of women and then analyze data to determine if women will...
Worksheet
Curated OER

Earth Moon Scaling

For Students 6th - 12th
A wonderful lesson incorporating math and physics skills along with specific details about the planetary bodies. The cross-curricular approach makes for a valid activity to challenge multiple ages and abilities. Your class could work in...
Worksheet
Curated OER

Proportion Game

For Students 4th - 6th
In this proportion game worksheet, students read the guideline regarding a game pertaining to ratios and play it with a partner.
Lesson Plan
Curated OER

All About Ratios

For Teachers 5th - 8th
Students investigate the use of multiplication and division of whole numbers to solve problems including equivalent ratios and rates.
Lesson Plan
Curated OER

Ratios (Cost of a Habit)

For Teachers 6th - 8th
Middle schoolers consider an individual habit and its cost. They study ratios and proportions, and use that knowledge to calculate the cost of a habit over extended periods of time. write a detailed comparison of the costs.
Lesson Plan
Curated OER

When Am I Ever Going to Use this?

For Teachers 8th - 10th
Learners solve problems using equations and properties of integers. In this algebra lesson, students solve problems using ratio and proportion and graph their answers on a coordinate plane. They solve word problems using geometry.
Lesson Plan
Curated OER

Rates and Proportions

For Teachers 6th - 8th
Middle schoolers read a cookie recipe and complete a worksheet that asks them to establish ratios and proportions for various ingredients in the recipe.
Lesson Plan
Curated OER

Gears and Proportions

For Teachers 4th - 7th
Students explore gears.  For this simple machines and ratio lesson, students view a video clip in which front and rear bicycle gears are explained. From a set of gear combinations and gear ratios, students identify high and low gear...
Lesson Plan
Curated OER

Ratios

For Teachers 6th
Sixth graders investigate the concept of ratios and how they can be used to represent the comparison of quantities. The lesson is taught using a table or graph to compare two categories of data.
Lesson Plan
Curated OER

Spin Your Turbines

For Teachers 8th - 11th
Students relate electrical power and how it works to math. In this geometry lesson, students analyze how a hydroelectric plant works and calculate the amount of electricity that is produced by a typical generator. This lesson uses...
Worksheet
Curated OER

Proportional Reasoning: Ratio Applications

For Students 8th
In this ratio applications worksheet, 8th graders solve and complete 24 various types of problems that include proportional reasoning. First, they solve each pair of similar figures for the given variable. Then, students write and solve...
Lesson Plan
Curated OER

Proportion

For Teachers 9th - 11th
Students investigate proportion and ratio. In this geometry lesson, students set up the ratios of proportions correctly and solve for the unknown. They relate it to word problems.
Lesson Plan
Curated OER

Applying Proportionality in Scale Drawings

For Teachers 6th
Sixth graders examine a blue print and discuss the reasoning behind using blue prints. In this proportionality lesson,  students collaborate with their teammates to create a scale drawing. Once that is complete, 6th graders write a...
Worksheet
Curated OER

Math Regents Exam Questions: Verbal Problems Involving Ratio

For Students 9th - 12th
In this ratios worksheet, students solve 6 multiple choice and short answer word problems.  Students use ratios of boys to girls and deer to foxes to find the number of boys, girls, deer, and foxes in a given population.
Worksheet
Curated OER

Equivalent Ratios (Practice 18.2)

For Students 5th - 6th
In this ratios worksheet, students solve 22 problems in which equivalent ratios are found or ratios are expressed in simplest form.
Lesson Plan
Curated OER

Ratios, Proportions and Percents

For Teachers 5th
Fifth graders complete 3 activities centered around percents. For this ratios, proportions and percents lesson, 5th graders create designs on grid paper that illustrate a variety of percents, solve percent problems mentally, and use...
Worksheet
Curated OER

Math Regents Exam Questions: Proportions

For Students 8th - 10th
In this proportions worksheet, students solve 1 multiple choice question.  Students determine the amount of milk needed to keep a cake recipe proportional.
Lesson Plan
Curated OER

Exploring Biomes Lesson 3: Endangered Biomes

For Teachers 6th - 10th
Future environmental scientists compare data from two different conservation strategies. Alone this lesson is sufficient, but as part of the Exploring Biomes unit produced by the Arizona Fish and Game Department, it becomes top-notch. 
Lesson Plan
Curated OER

Skittle Math

For Teachers 4th - 5th
In this skittle math worksheet, students sort skittles by color and create a bar graph for each color of skittle. Students also answer comparison, ratio, and relationship questions about the skittles.
Lesson Plan
EngageNY

More About Similar Triangles

For Teachers 8th Standards
Determine whether two triangles are similar. The lesson presents opportunities for pupils to find the criterion needed to show that two triangles are similar. Scholars use the definition of similarity to find any missing side...