Willow Tree
Interior Angles, Exterior Angles, and Diagonals of Polygons
How does the number of sides of a polygon affect the angle measures? Learners recognize a pattern in finding the total measure of interior and exterior angles and the number of diagonals. They use the patterns to calculate the number of...
Yummy Math
How Much Wrapping Paper Can You Save?
Give the ultimate gift this holiday season: Christmas-themed math skills! Young gift givers calculate the amount of wrapping paper that should be used for a particular wrapping method.
101 Questions
Square Partitions
Challenge your classes while developing their problem-solving skills. A square is divided neatly into four equal triangles by its diagonals until one diagonal is moved from a vertex to the midpoint of one side. Now, scholars must devise...
Curated OER
Multiplying Using The Lattice Method
In this math learning exercise, students use the lattice method to multiply larger numbers. They use the sample on page one to complete the eighteen problems.
Teach Engineering
Determining Densities
Don't be dense—use a robust resource. The second installment of a five-part Floaters and Sinkers unit has learners determine the densities of several objects. As part of the activity, they learn the displacement method for finding...
Jesuit High School
Geometry Sample Problems
I'd like to prove that this worksheet has a lot to offer. Seven problems using triangles and parallelograms practice the traditional method of a two-column proof. After the worksheet is some practice problems that show worked out...
EngageNY
The Division of Polynomials
Build a true understanding of division of polynomials. Learners use their knowledge of multiplying polynomials to create an algorithm to divide polynomials. The area model of multiplication becomes the reverse tabular method of division.
Curated OER
Factoring Polynomials
In this factoring activity, learners find the common term, use special products or use the diamond method to factor polynomials. Explanations and examples are provided. This three-page activity contains 45 problems. Answers are provided...
Curated OER
Things Fall Apart: Vocabulary
What is a magic vocabulary square? Use this newly popular method of reviewing vocabulary to engage your class. There's some tricky vocabulary in Things Fall Apart; front-load words like impending, impudent, and pacified to ease the...
EngageNY
Applications of the Pythagorean Theorem
Begin seeing the world through the lens of geometry! Use the 19th installment in a 25-part module to apply the Pythagorean Theorem to solve real-world problems. Individuals sketch situations resulting in right triangles such as the...
Curated OER
Topic 4.4 - Matrices and Determinants
In this determinant worksheet, learners find the determinants of each matrix. They use diagonals and the expansion by minors method to help. There are 10 problems on this worksheet.
Curated OER
Vector Practice Problems
In this vectors worksheet, students draw scale diagrams and solve the problems using trigonometric methods. Students determine angles, speed, and components of force. This worksheet has 7 problems to solve.
Corbett Maths
Construct a 30 Degree Angle
Split it down the middle. Using the tools of geometric construction, the video shows two different methods of constructing a 30-degree angle. The first method bisects an angle of an equilateral triangle. The second uses the diagonal of a...
Illustrative Mathematics
Is This a Parallelogram?
If both pairs of opposite sides of a quadrilateral are congruent, is the quadrilateral a parallelogram? This task asks learners to determine the answer and to support their answer with a proof. The resource includes a commentary for...
Curated OER
4-H Advanced Food Science Activity Pages
In this 4-H food science worksheet, learners examine how food works in the body, find out about food preservation methods, and investigate careers in the food industry. They complete a word search, practice food photography, answer true...
Curated OER
Square Roots Using a Carpenter's Square
Young scholars calculate the square root of a given number using carpenter's square measurements. In this math lesson plan, students relate this method on the Pythagorean theorem. They answer practice problems after the exploration...
Curated OER
Daydreaming with Marc Chagall
Explore the concepts of surrealism and cubism that Marc Chagall portrayed in his art. Your elementary artists will read articles about the artist and practice the methods used in surrealism and cubism.
Curated OER
Calculating the Hypotenuse
In this triangles worksheet, students use Pythagoras' theorem to find the hypotenuse of a triangle. Students solve 20 problems and also calculate the length of the diagonals in rectangles. This page is intended for online use but may be...
Curated OER
4-H Food Science- Advanced Activity
In this advanced activity food science instructional activity sets, students complete a food find word search puzzle, and practice food photography as they investigate it as a career. They examine food preservation methods through a food...
Curated OER
Line Hunt
Students identify lines in everyday images. In this art analysis activity, students practice drawing diagonal, vertical and horizontal lines on pieces of chart paper. Students examine a page from a magazine and identify the different...
West Contra Costa Unified School District
Sneaking Up on Slope
Pupils determine the pattern in collinear points in order to determine the next point in a sequence. Using the definition of slope, they practice using the slope formula, and finish the activity with three different ways to determine the...
Curated OER
Name Art
Students create name art. In this visual arts instructional activity, students use horizontal, vertical, and diagonal lines to highlight their own names in print. Students use primary colors to create secondary colors in the project.
Curated OER
Square Graphs
Students identify the different properties of quadrilaterals. In this geometry-lesson, students define parallel sides and diagonals of polygons as they compare to a quadrilateral. They identify the methods to find the angles in a...
Curated OER
Linear Equations and Matrices
Students solve systems of equations. In this precalculus lesson,students solve linear equations using matrices. They use the Gaussian elimination method to identify the missing variables and simplify the linear equations.