Interactive
CK-12 Foundation

Inverse Functions: Definition of Inverse Functions

For Students 11th - Higher Ed Standards
Is the inverse of a function also a function? Pupils manipulate the graph of a function to view its inverse to answer this question. Using a horizontal and vertical line, class members determine whether the initial function is...
Interactive
CK-12 Foundation

Existence: One-to-One Functions and Inverses

For Students 11th - Higher Ed Standards
One-to-one means the answer is simple, right? Given four graphs, pupils use a vertical line to test each graph to find out if they are one-to-one. By using the resource, learners realize that not all one-to-one relations are functions....
Activity
Curated OER

K-5 Mathematics Module: Number and Number Sense

For Students K - 5th Standards
Reinforce number sense with a collection of math lessons for kindergarteners through fifth graders. Young mathematicians take part in hands-on activities, learning games, and complete skills-based worksheets to enhance proficiency...
PPT
BW Walch

Creating and Graphing Linear Equations in Two Variables

For Teachers 9th - 10th Standards
This detailed presentation starts with a review of using key components to graph a line. It then quickly moves into new territory of taking these important parts and teasing them out of a word problem. Special care is...
Unit Plan
Core Knowledge Foundation

Second Grade Skills Unit 1: The Cat Bandit

For Teachers 2nd Standards
For twenty-two lessons over five weeks, scholars practice sound-spelling correspondence, spelling patterns, tricky words, and reading decodable text. Assessments aid in small group formation and gauge comprehension. Lessons begin with a...
Printables
K-5 Math Teaching Resources

Numeral Cards 1-12

For Teachers Pre-K - 2nd Standards
The learning opportunities are endless with these numeral cards representing numbers one through twelve. With a clean and clear design, you have flexibility in how and when you choose to implement them. 
Handout
K-5 Math Teaching Resources

Mini Math Word Wall

For Students K - 2nd Standards
Provide a little extra support for your emerging mathematicians with a personal word wall. Including graphics and images that support children with learning to count, identify colors and shapes, and read high frequency words,...
Interactive
CK-12 Foundation

The Real Numbers: Surjections, Injections and Bijections

For Students 8th - 12th
Inject a great interactive into your lesson plans. Scholars learn about injections, surjections, and bijections of sets. They use an interactive that shows an example for each of these relationships between sets.
Unit Plan
Core Knowledge Foundation

Second Grade Skills Unit 2: Bedtime Tales

For Teachers 2nd Standards
A unit covering second-grade skills reviews 16 letter-sound correspondences, tricky words, and punctuation. Readers provide context for examining story elements, and pupils participate in close reading and write narratives retelling a...
Printables
K-5 Math Teaching Resources

Numeral Cards 0-10

For Teachers Pre-K - 2nd Standards
Looking for number cards? Look no further than this numeral card printable showcasing numerals one through ten.
Lesson Plan
Illustrative Mathematics

The Napping House

For Teachers Pre-K - 1st Standards
How many people and animals can cram into a single bed? Find out with this cross-curricular math and language arts lesson. Following along with a reading of the children's book The Napping House by Audrey Wood, young mathematicians...
Lesson Plan
Illustrative Mathematics

Running to School, Variation 2

For Teachers 5th - 7th Standards
Rose's commute to school is a fractional distance. After she runs part of the way, your class needs to determine what fractional distance she ran. This problem explores fraction operations through modeling and computation. The...
Lesson Plan
Briscoe Center for American History

Mary Maverick and Texas History - Part 1

For Teachers 4th - 7th Standards
What's the difference between a diary and a memoir? Young historians explore the ramifications of this question as they learn how to use primary source materials to gain an understanding of life on the Texas frontier.
Lesson Plan
Illustrative Mathematics

Two Lines

For Teachers 7th - 9th Standards
Here is a resource that helps your algebra learners understand the connection between the graph of two lines, the equations of lines, and the solutions and intersecting points of lines. It would make a great assessment question, but can...
Unit Plan
Houghton Mifflin Harcourt

Let’s Count!: English Language Development Lessons (Theme 5)

For Teachers K Standards
Counting is the theme of this compilation of ESL lessons. Through listening, speaking, and moving, your young learners take part in a variety of activities to enhance their English proficiency such as making menus and books,...
Unit Plan
Curated OER

Transformations in the Coordinate Plane

For Teachers 9th - 12th Standards
Your learners connect the new concepts of transformations in the coordinate plane to their previous knowledge using the solid vocabulary development in this unit. Like a foreign language, mathematics has its own set of vocabulary terms...
Activity
Poetry4kids

How to Write a Concrete or “Shape” Poem

For Students 3rd - 8th Standards
Writers compose an original shape poem. Scholars choose a subject to write about and create a visual representation by forming a corresponding picture using the poem's words.  
Lesson Plan
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Achieve3000

Discriminating Phonemes

For Teachers K - 2nd Standards
Develop the fluency of beginning readers one sound at a time with this phonemic awareness lesson. Through a series of whole-class instruction, independent practice, and collaborative learning activities, children practice...
Handout
Amazon Web Services

Idiom Dictionary

For Students 3rd - 6th Standards
Examining idioms is a peace of cake when using this graphic organizer! Here, grammarians identify an idiom and use it in a sentence. Then they investigate its literal meaning versus its figurative meaning, and accompany each one with a...
Instructional Video11:40
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Flipped Math

Properties of Parallel Lines

For Students 9th - 12th Standards
Work within a parallel universe. Scholars learn about the relationships of angles when two parallel lines are intersected by a transversal. They see how to find the measurements of all eight angles by knowing the measure of one angle....
Lesson Plan
EngageNY

Exploiting the Connection to Cartesian Coordinates

For Teachers 11th - 12th Standards
Multiplication in polar form is nice and neat—that is not the case for coordinate representation. Multiplication by a complex number results in a dilation and a rotation in the plane. The formulas to show the dilation and rotation are...
Lesson Plan
West Contra Costa Unified School District

Introduction to Conditional Probability

For Teachers 7th - 9th Standards
Here is a turnkey lesson that walks young statisticians through the development and uses of conditional probability. From dice games to surveys, Venn diagrams to frequency tables, the class learns how a given can effect the overall...
Lesson Plan
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Rainforest Alliance

Sounds of the Rainforest

For Teachers Pre-K - K Standards
Do you hear what I hear? Encourage scholars to use their listening skills and participate in a series of activities that demonstrate how the sense of hearing is crucial to the human and animal world. Activities guide learners...
Unit Plan
Texas Center for Learning Disabilities

First-Grade Intervention

For Teachers K - 2nd Standards
Learning how to read is a big challenge for young learners, but this series of lessons provides them with the extra support they need to succeed. With each lesson following the a clearly outlined format, children are introduced...