Instructional Video5:34
Corbett Maths

Enlargements Using Ray Method

For Students 8th - 11th Standards
Figure out what to do when there is no grid to count. Using a ruler and a sharp pencil, the narrator shows how to perform a dilation when the figure is not on a grid. The ray method works by drawing a ray from the center of dilation...
Activity
Illustrative Mathematics

Paper Clip

For Teachers 9th - 11th Standards
With minimal setup and maximum freedom, young geometers are encouraged to think outside the box on a seemingly simple application problem. Though the task seems simple, measuring a given paper clip and finding how many 10 meters can...
Worksheet
Curated OER

Choose the Operation and Method

For Students 4th - 5th
In this math operations and methods worksheet, students read 3 word problems, choose the best math operations and method for each one, solve the word problem and explain how they reached each of their answers.
Lesson Plan
Curated OER

Multiplying Polynomials

For Teachers 7th - 9th
Help learners study polynomials. They will review how to multiply polynomials either by using the FOIL method if they are multiplying a binomial by another binomial, or by using the distributive property.
Worksheet
Curated OER

Three Methods for Using Quadratic Functions to Model Data

For Students 10th - 12th
In this modeling data worksheet, students use quadratic functions to model data using three different methods.  This worksheet provides explanations and an example.  Additionally, students are given the steps to find the...
Activity
101 Questions

Combining Coupons

For Teachers 6th - 8th Standards
Everyone likes to save money! Use your math skills to figure out just how much you can save on a pair of sweet shoes. A vendor is running a percent off sale, with a percent off coupon, and a specific dollar amount coupon—and lets you use...
Worksheet
Curated OER

Choose the Operation and Method pg 3

For Students 4th - 5th
Being able to choose the correct operation to solve a math problem is a very important skill. In this math instructional activity, students choose an operation and method, solve the problem, and explain the solution. Four problems are...
Assessment
Charleston School District

Review Unit 6: Systems of Equations

For Students 8th - 9th Standards
It's time to show off what they learned! The final lesson in the series is a review worksheet on the topics learned throughout the unit. Scholars solve systems of equations using graphic and algebraic methods, solve system-based word...
Lesson Plan
1
1
Illustrative Mathematics

Bank Shot

For Teachers 9th - 11th Standards
Young geometers become pool sharks in this analysis of the angles and lengths of a trick shot. By using angles of incidence and reflection to develop similar triangles, learners plan the exact placement of balls to make the shot....
Instructional Video3:08
Corbett Maths

Constructing SSS Triangles

For Students 8th - 11th Standards
Creating a triangles is as easy as 5, 6, 7. Using a ruler and compass to measure off lengths, a short video shows how to construct a triangle with three specific side lengths. The example creates a triangle with side lengths of 5 cm, 6...
Lesson Plan
Curated OER

Number: Rounding Off and Approximating

For Teachers 3rd - 4th
Young mathematicians access a website that leads them through three activities that enable them to practice their rounding and estimation skills when it comes to numbers and math word problems. There is also a very good worksheet...
Lesson Plan
Curated OER

Election Poll, Variation 3

For Teachers 6th - 9th Standards
Build on probability and incorporate a random number generator to select outcomes for a school election. Your learners will record their results on a dot plot and answer questions regarding whether their candidate has a chance at the...
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
Curated OER

Voting Systems

For Students 9th - 12th
In this voting systems worksheet, students read story problems and then use various methods to determine the probable winner of an election. They use the Plurality and Borda tables to determine outcomes. This two-page worksheet...
Lesson Plan
EngageNY

Dividing the King’s Foot into 12 Equal Pieces

For Students 9th - 10th Standards
Apply, apply, apply! A measurement lesson applies a number of concepts to help learn a new construction. Scholars learn to divide a segment into n equal parts using a method that uses the Side Splitter Theorem and a method that...
Lesson Plan
Curated OER

Puck's Girdle

For Teachers 5th
Fifth graders calculate the perimeters, areas, and volumes of everyday objects. They discuss the word problem involving Puck from the Shakespeare play "Mid-Summer Night's Dream," and invent and plan a method for solving the problem in...
Activity
1
1
Curated OER

Geometry Project

For Students 9th - 12th Standards
Proofs are usually an intimidating assignment. An engaging lesson focused on geometric proofs may reduce the anxiety! Pupils choose between several triangle proofs to complete and work on completing them. The...
Lesson Plan
National Research Center for Career and Technical Education

Depreciation (Double Declining)

For Teachers 9th - 12th
Have you ever been told that your new car begins to lose its value as soon as you drive it off the lot? Aspiring accountants take on the concepts of depreciation and book value through an easy-to-deliver career and technology...
Activity
Teach Engineering

Egg Drop

For Teachers 6th - 8th
Don't drop the ball on the resource ... drop an egg instead! A teacher-led demonstration has the class consider how to drop eggs into glasses when a tray is in the way. Hint: If you've ever seen a magician pull a tablecloth off a table,...
Lesson Plan
EngageNY

Why Do Banks Pay YOU to Provide Their Services?

For Students 9th - 10th Standards
How does a bank make money? That is the question at the based of a lesson that explores the methods banks use to calculate interest. Groups compare the linear simple interest pattern with the exponential compound interest pattern. 
Lesson Plan
Curated OER

Find That Bargain!

For Teachers 7th - 12th
Students explore the methods of calculating percentages, reading and the construction of graphs, and an awareness of consumer concerns in this lesson. The movement of the decimal point often results in uncertainty and confusion. This...
Lesson Plan
Curated OER

Review Games

For Teachers 3rd - 12th
There are a multitude of games for reviewing almost any subject matter or lesson. The rules can be adapted to fit your own needs and levels. Most of these games have been borrowed from others and adapted. Football Review, Baseball...
Lesson Plan
Curated OER

Ornithology and Real World Science

For Teachers 5th - 6th
Double click that mouse because you just found an amazing lesson! This cross-curricular Ornithology lesson incorporates literature, writing, reading informational text, data collection, scientific inquiry, Internet research, art, and...
Lesson Plan
Curated OER

When Average Is the Way to Go

For Teachers 4th - 6th
Students engage in experiences involving the mathematical concept of averages. After watching a video, students explore averaging through a variety of different methods.