Interactive
CK-12 Foundation

Pythagorean Theorem to Classify Triangles: Missing Angles

For Students 8th - 12th Standards
Learn to use the Pythagorean Theorem with non-right triangles. Pupils use the interactive to discover the relationship between the lengths of sides for acute and obtuse triangles. They compare the squares of the sides of the triangles to...
Lesson Plan
Curated OER

Recognizing the Importance of Sight

For Teachers 2nd - 4th
Students discover the true value of their senses. In this sight lesson plan, students discover the difficulty of life without sight by performing everyday activities without the help of their eyes. The students examine their results and...
Lesson Plan
EngageNY

Perimeter and Area of Polygonal Regions in the Cartesian Plane

For Students 9th - 12th Standards
How many sides does that polygon have? Building directly from lesson number eight in this series, learners now find the area and perimeter of any polygon on the coordinate plane. They decompose the polygons into triangles and use Green's...
Handout
Cabrillo College

Elementary Algebra

For Students 8th - 11th Standards
Hello Algebra! If you're in need of a resource with a books worth of examples and practice problems, this is it. Some topics include linear equations, polynomials and exponents, rational expressions, quadratic equations, and a...
Lesson Plan
Dick Blick Art Materials

Painted Story Quilt

For Teachers K - 12th
Creating story quilts is a great way to combine art, social studies and literature. Kids select a story, a published one or one of their own, to illustrate, paint on a canvas square, embellish, and mount on a felt backing.
Lesson Planet Article
Curated OER

Teaching Construction in the Field

For Teachers 9th - 11th
Valuable skills and knowledge are acquired by building framed structures in the school parking lot.
Worksheet
Curated OER

Magic Squares

For Students 3rd - 4th
In this completing the magic squares worksheet, students add the rows, columns, and diagonals to find the magic numbers. Students solve 4 problems.
Worksheet
Curated OER

Complete the Square: Increments of 4

For Students 3rd - 5th
For this skip counting by 4s worksheet, students practice their math skills as they fill in the 60 missing numbers in the grid. The grid includes numbers from 0-396.
Lesson Plan
Curated OER

Hoot: Vocabulary: Magic Squares

For Teachers 6th - 8th Standards
Define words with numbers in a fun vocabulary activity. Using words from Hoot by Carl Hiaasen, learners use a grid to match words and their definitions, and to find the magic number that is the same when the numbers are added from...
Lesson Plan
Curated OER

Dividing Radical Expressions

For Teachers 8th - 9th
In this algebra worksheet, students simplify 14 complex radical fractions. They find the square roots for both the denominator and numerator, dividing out any factors that are the same to completely simplify the fraction. For the final 7...
Lesson Plan
Curated OER

Regions of the USA

For Teachers 4th
Fourth graders research the physical characteristics of the four regions of the United States. In this geography lesson, 4th graders research the four regions and use a quilt square organizer to record notes. Students complete the quilt...
Worksheet
Curated OER

Factorize the Trinomials

For Students 9th - 10th
In this algebra worksheet, learners factor trinomials by completing the square and the AC method. There are five questions with an answer key.
Lesson Plan
EngageNY

Construct a Nine-Point Circle

For Students 9th - 10th Standards
There are an infinite number of points on a circle; can you find nine of them? After putting together a nine-point circle, pupils use constructions and their knowledge of triangle segments to determine the center of the circle. Learners...
Workbook
1
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Centre for Innovation in Mamatics Teaching

Areas and Perimeters

For Students 3rd - 6th Standards
Cover some serious area in your geometry curriculum with this collection of worksheets. After first introducing the concept of area using the tiling method, this resource continues on to teach learners how to use...
Lesson Plan
Government of Hong Kong

Areas and Volumes - 2D Shapes

For Teachers 3rd - 6th Standards
Unfortunately for young mathematicians, the world isn't made entirely of parallelograms, triangles, and trapezoids. After first learning the area formulas for these common shapes, students apply this new knowledge to...
Worksheet
Curated OER

Night: Vocabulary Activity, Magic Square

For Students 9th - 12th
As part of a study of vocabulary found in Elie Wiesel's Night, readers complete a magic square using the provided words and their definitions.
Lesson Plan
MENSA Education & Research Foundation

Peas in a Pod: Genetics

For Teachers 4th - 8th
Can peas have grandparents? Learn about inherited traits and heredity with a set of activities focused on Mendelian genetics. As your class learns about the process of passing traits along in Punnett squares, they take on the role of...
Worksheet
1
1
Mathed Up!

Factors, Multiples, and Primes

For Students 4th - 7th Standards
Reinforce the concept of factors, multiples, and prime numbers with a 16-problem practice activity. Eight pages offer a variety of problem solving opportunities with clear objectives and tips for successful completion. 
Lesson Plan
Teach Engineering

Discovering Relationships Between Side Length and Area

For Students 9th - 12th Standards
Consider the relationship between side length and area as an input-output function. Scholars create input-output tables for the area of squares to determine an equation in the first installment of a three-part unit. Ditto for the area of...
Worksheet
K12 Reader

The Louisiana Purchase

For Students 4th - 5th Standards
Readers are asked to identify the main idea and two supporting ideas in a brief passage about the Louisiana Purchase.
Activity
Curated OER

Activity: Gummy Bear Genetics

For Students 9th - 12th Standards
Who's your Daddy ... and Mommy for that matter? Given a first-generation group of gummy bear offspring, young scientists must determine which bears are their parents. An activity worksheet covers the differences in genotypes and...
Lesson Plan
Virginia Department of Education

Curve of Best Fit

For Teachers 10th - 12th Standards
Which function models the data best? Pupils work through several activities to model data with a variety of functions. Individuals begin by reviewing the shapes of the functions and finding functions that will fit plotted data points. By...
App
One Billion

Math, Age 3-5

For Students Pre-K - 1st Standards
Jump start children's math education with this fun basic skills resource. Offering dozens of different touch-and-swipe activities with colorful graphics, this program is perfect for all young learners.
Unit Plan
Radford University

A Change in the Weather

For Students 10th - 12th Standards
Explore the power of mathematics through this two-week statistics unit. Pupils learn about several climate-related issues and complete surveys that communicate their perceptions. They graph both univariate and bivariate data and use...

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