Assessment
Mathed Up!

Stratified Sampling

For Students 7th - 11th Standards
Young mathematicians learn how to solve problems involving stratified sampling. They review concepts of sampling and proportionality by watching a video and then they complete a worksheet of questions on this topic.
Lesson Plan
Curated OER

Scale/Ratio

For Teachers 6th - 8th
Investigate the use of ratios in scale drawings. Learners scale objects up or down using ratios then find the actual size of something using ratios. They apply their knowledge of ratios as they make their own telescopes in science...
Lesson Plan
Illustrative Mathematics

Buying Gas

For Teachers Pre-K - 7th Standards
A quick problem to test your middle schoolers' knowledge of dividing with decimals. Also a good practice of unit rates, they must compute the cost of one gallon of gas when given the total amount for a fill up. Can be used as a preface...
App
Mojang

Minecraft – Pocket Edition

For Students 4th - 12th
You don't have to be a Minecraft wiz to know that this app has great playability for your learners! As afterschool programs and classroom projects around the world demonstrate, this game goes well beyond placing blocks and traditional...
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.
Lesson Plan
Curated OER

MP3 Purchase Plans

For Teachers 7th - 10th
Use algebra to solve real world problems. Mathematicians practice use of graphs, tables, and linear functions to solve a problem regarding mp3 purchase plans. They work in groups to solve the problem and present their findings and...
Lesson Plan
Curated OER

Measurement 2

For Teachers 6th - 8th
In this measurement worksheet, students use liner measure with a provided ruler to determine the distance between objects. Using a map scale, they evaluate the actual distance. Students may use their knowledge of proportions to solve...
Lesson Plan
Curated OER

Measurement 4: Linear Measure

For Teachers 4th - 5th
In this measurement worksheet, students use a ruler to measure, in inches, the distance of various line segments. Then, using the scale drawing, they determine the actual distance in miles. Students may use their knowledge of proportions...
Worksheet
Curated OER

Unit 5: Worksheet 3 - Similar Triangles

For Students 8th - 9th
In this similar triangles learning exercise, students use proportions to solve for the missing sides of similar triangles. This two-page learning exercise contains 16 multi-step problems.
Worksheet
Curated OER

Linear Functions

For Students 10th - 12th
In this linear functions worksheet, students problem solve and calculate the answers to five linear equations associated with volume, point-slope forms, initial value forms and slope-intercept forms.
Worksheet
Curated OER

Ratio and Proportion

For Students 6th
For this ratio and proportion worksheet, 6th graders solve and complete 5 different types of problems. First, they determine the amount of money each person receives. Then, students calculate the recipe at the bottom of the sheet for 3...
Worksheet
Curated OER

Ratio and Proportion

For Students 5th - 6th
In this ratio and proportion worksheet, students solve 12 problems in which the ratios of shaded and unshaded tiles are calculated. Students use the provided pictures to write ratios.
Lesson Plan
Curated OER

Bead It!

For Teachers 4th
Fourth graders use colored beads in two problems and explore the use of proportional reasoning as a problem solving method. Working Students, in groups, explain their reasoning strategies orally, and through drawings.
Lesson Plan
Curated OER

Go Fish!

For Teachers 3rd - 5th
Students collect data, interpret data summarize proportional reasoning. Students determine (with various alternate goods) the number of fish in a nearby pond. Students capture the goldfish crackers, deal with pretzels and then write...
Lesson Plan
Curated OER

What Do We Do With A Dirty Bomb?

For Teachers 7th - 10th
Young scholars examine composition of dirty bomb and its possible effects on a city, and investigate simulations of such an event; students use computational and problem solving skills to assess damage and prepare report proposing...
Lesson Plan
Curated OER

Measuring the Earth (Eratoshenes' method)

For Teachers 6th
Sixth graders engage in problem solving, communicating, reasoning, and connecting to represent and solve problems, using geometric models.
Lesson Plan
Curated OER

Ecology of The Sonoran Desert Soil Crusts: Biology, Geology

For Teachers 6th - 11th
This lesson is designed after research done on the ecology of soil lichen in the Tucson Basin area during the summers of 1997 and 1998. Its purpose is to guide students into adopting the problem solving thinking of ecologists. The lesson...
Lesson Plan
Curated OER

Maps

For Teachers 5th - 10th
Students figure out the mileage from one state to another using a map. In this map lesson, students look at the scale factor and turn it into a fraction. They measure the distance between two cities and use the proportion to find the...
Lesson Plan
Curated OER

A Recipe For Success

For Teachers 6th
Sixth graders explore a relevant application of ratios and proportions. They apply this concept through guided practice and interactive feedback.
Lesson Plan
Curated OER

One Size Fits All, Part 1

For Teachers 5th - 8th
Can you tell how tall someone is just by looking at their feet? In this activity, young mathematicians measure their height, arm span, and foot size, graph their findings, and answer questions about how these measurements are related....
Assessment
Mathematics Assessment Project

A Golden Crown?

For Students 7th - 8th Standards
In this assessment task, learners determine whether a crown with given information is composed of pure gold. The task expects algebraic and numerical solution methods, so unlike Archimedes, no bathtub is necessary.
Worksheet
Math Worksheets Land

Find Percentages of Numbers - Independent Practice Worksheet

For Students 6th - 8th Standards
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. 
Printables
Curriculum Corner

7th Grade Math Common Core Checklist

For Teachers 7th Standards
With so many math standards to fit into a school year, it can be difficult keeping track of what you have and have not covered. This collection of Common Core checklists allows you to maintain a running record of when each...
Lesson Plan
Curated OER

Candy Machine

For Teachers 6th - 7th Standards
Using the concept of a candy vending machine, young mathematicians explore the sugar ratios found in different types of candy. Using the provided information, class members calculate and compare different ratios in...