Activity
101 Questions

Penny Circle

For Teachers 7th - 12th Standards
Watch as your classes buy into a rich lesson full of information. A video opener challenges individuals to determine the number of pennies that fit in a circle with a 22-inch diameter. Using lesson materials, scholars collect data and...
Activity
101 Questions

Thanksgiving Taters

For Teachers 6th - 8th Standards
What would a meal be without the taters? The question is, how long does it take to peel those potatoes? Given the rate of peeling one potato, scholars predict the time it takes to peel the bag. The twist is that the first potato was...
Activity
101 Questions

Amazon Percent Discount

For Teachers 6th - 8th Standards
Everyone loves a good sale! A straightforward lesson provides practice with calculating a percent off of a product. Using ads from Amazon, individuals calculate the percent off the ad does not show. Pupils see the answer after revealing...
Activity
101 Questions

Want Some Orange Juice?

For Teachers 6th - 9th Standards
Juice up your lessons with an open-ended resource. Scholars must determine how many oranges it takes to fill a container with juice. They use information presented in a video and as images to find the solution. 
Activity
101 Questions

Sugar Packets

For Teachers 6th - 8th Standards
Depending on your eating habits, you just may not want to know the answer to the inquiry-based question! The task is to determine the number of sugar packets in one 20-ounce soda. Learners use nutritional information from the sugar and...
Activity
101 Questions

Pedestrian Countdown

For Teachers 6th - 8th Standards
You won't find yourself racing the clock on such a great task. Scholars use video information to predict the time left on a crosswalk signal after a pedestrian crosses. The video shows the time left on the counter, and individuals must...
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...
Activity
Education Development Center

Similar Triangles

For Students 8th - 10th Standards
Model geometric concepts through a hands-on approach. Learners apply similar triangle relationships to solve for an unknown side length. Before they find the solution, they describe the transformation to help identify corresponding sides.
Performance
Radford University

How Do I Design a Raised Bed Garden to Accommodate My Plants?

For Teachers 7th - 12th Standards
Give plants the best place to grow. Given constraints on plant spacing, pupils design a raised bed garden using graph paper, then calculate the perimeter, surface area, and volume. They use the provided costs of lumber and soil to...
Assessment
Bowland

Ice Cream

For Teachers 6th - 8th Standards
Make sure there is enough ice cream on hand. Learners try to find out how much ice cream to buy for a sports event. Scholars use a pie chart showing the percent of a sample of people who like different flavors of ice cream. Using the...
Assessment
Bowland

Taxi Cabs

For Teachers 6th - 8th Standards
Determine the cheapest way to the airport. Pupils read a scenario about trying to get 75 people to the airport using two different sizes of taxis. Learners calculate the number of smaller taxis needed given a number of large taxis and...
Lesson Plan
Curated OER

This is to That

For Teachers 2nd - 4th
Students look at ratio, what it means for numbers or objects to be in a given ratio, and how ratios and fractions are related. They write and solve story problems which involve whole numbers, using addition, subtraction, multiplication,...
Worksheet
Curated OER

Similar Triangles

For Students 10th
In this similar triangles worksheet, 10th graders solve and complete 10 different problems related to determining the sides of similar triangles. First, they write three equal ratios to show the corresponding sides that are proportional....
Worksheet
Curated OER

Exploring Similar Polygons

For Students 10th
In this exploring similar polygons worksheet, 10th graders solve 9 various types of problems related to determining whether each polygon is similar or not. First, they write 3 equal ratios to show corresponding sides are proportional to...
Lesson Plan
Curated OER

Bagel Algebra

For Teachers 9th
Ninth graders apply proportional reasoning to a real-life situation.  In this Algebra I lesson, 9th graders explore a series of equations that relate to a display sign that compares the owner’s bagels to competitors bagels. ...
Worksheet
Curated OER

Right Triangles

For Students 10th
In this right triangles worksheet, 10th graders solve 10 different problems that include determining the means proportionally in each right triangle. First, they use the given information to determine the measure of each line segment....
Lesson Plan
Curated OER

Similar Triangles

For Teachers 9th
Ninth graders find the height of every day objects using techniques learned through postulates that allow triangles in a problem to be similar. They calculate the length of a missing side and solve proportions.
Lesson Plan
Curated OER

Dilation

For Teachers 10th
Tenth graders identidy and define various geometry terms, Students create exact replicas of a shape that is either smaller or larger than the original shape. Students prove that their entire shapes are larger or smaller in the same...
Lesson Plan
Curated OER

The Golden Rectangle

For Teachers 6th - 8th
Students explore the concept of the golden ratio. In this golden ratio lesson, students measure objects to determine if their measurements fit the golden ratio. Students calculate the average measurements of the class.
Lesson Plan
Curated OER

The Snack Bar

For Teachers 6th
Sixth graders complete a purchase order. In this ratios and patterns lesson, 6th graders work in groups to complete a purchase order for a grand opening of the school snack bar. Students use rations to figure out the need and quantity...
Lesson Plan
Curated OER

Using Negative Numbers

For Teachers 6th
Sixth graders practice using negative numbers by completing number equations.  In this math problem solving lesson, 6th graders discuss the different ways negative numbers can be used in a math problem and practice completing...
Lesson Plan
Curated OER

Mathematics In You

For Teachers 5th - 8th
Students construct ratios using the hand as data. They use examples of cortical and trabecular bone found in the long bones to measure circumference, diameter, length, and weight of long bones. They perform computations using growth...
Lesson Plan
Curated OER

The Shadow Knows - Measuring Other Students

For Teachers 8th
Eighth graders measure height and shadow length of other students on a sunny day and develop a ratio. They apply the ratio to other students and objects using shadows to determine height.
Lesson Plan
Curated OER

Flying with Fractions

For Teachers 6th - 8th
Students test their knowledge of the Wright Brothers and their aircraft, and compute ratio of two numbers to determine the ratio between wing span and length of aircraft.

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