Interactive
CK-12 Foundation

Factor Polynomials Using Special Products: Difference of Two Squares

For Students 9th - 11th Standards
Factoring patterns are not magic! Show your classes how to model the difference of two squares' factors using an area model. Learners manipulate the width and length of two squares to represent the polynomial a^2-b^2. They use the model...
Worksheet
Curated OER

Graphing Inequalities in Two Variables

For Students 7th - 10th Standards
This study guide is a great resource to help you present the steps to graphing linear inequalities. Show your class two different ways to graph an inequality and work on a real-world example together. The document could also be easily...
Interactive
CK-12 Foundation

Distance Between Two Points: Taxicab Distance

For Students 8th - 10th Standards
Apply geometry to find the distance as the crow flies. An engaging lesson compares the distance a car must drive to the straight line distance between two locations. Scholars must manipulate a simulation, note the change in distances,...
Activity
Illustrative Mathematics

Making a Ten (Grade 1)

For Students 1st Standards
How many ways can first graders make a 10? Using an addition chart, learners color in the 10s on the table. They notice and explain the meaning of the pattern, and how to get to another sum of 10.
Worksheet
Curated OER

Morning Math

For Students 3rd - 4th
Good morning, math scholars! There are 10 warm-ups here to get your class recalling past concepts and staying sharp on newer ones. Skills include writing an even and odd number sequence, subtracting money amounts, dividing shapes in...
App
ABCya

Math Bingo

For Students 3rd - 6th Standards
It's sometimes the simple games that really grab a learner's attention. With this game-like app, young mathematicians can practice addition, subtraction, multiplication, and division facts. When they reach new high scores, they collect...
Lesson Plan
Curated OER

Domain: Operations and Algebraic Thinking

For Teachers K - 2nd
Practice basic operations for young mathematicians in fun ways! Using two decks of cards (Ace through 10 plus the joker), learners play "memory" by matching numbers that can be added to make 10 and writing number sentences. In another...
Lesson Plan
Curated OER

All A-buzz About Math

For Teachers 2nd
Second graders participate in Math-Eze activities to comprehend word problems. In this word problem instructional activity, 2nd graders recognize why a hexagon is the best shape for a beehive. Students calculate how far bees must travel...
Lesson Plan
Curated OER

Pattern Pete

For Teachers K
Students identify patterns. In this pattern instructional activity students discuss what makes a pattern. They find a pattern hidden in the classroom. 
Worksheet
Curated OER

Dividing by Negative Powers of Ten (B): Single-Digit Facts

For Students 7th - 8th
Students are prompted to divide single digit numbers by negative powers of ten in this straightforward worksheet. Prompted to divide ten numbers by 1, .1, .01, .001, and .0001, students can develop a pattern which will ease the...
Worksheet
Curated OER

Number Pattern

For Students K - 1st
For this number sequencing worksheet, students complete a picture by drawing from dot to dot. In this drawing worksheet, students answer one question.
Lesson Plan
Curated OER

Ratios in Right Triangles

For Teachers 9th - 12th Standards
Learners calculate the sides of right triangles in this trigonometric ratios lesson. They use Cabri Jr. software and TI-83 or TI-84 calculators to find the side lengths and their ratios to each other for various triangles. The provided...
Lesson Plan
Curated OER

Patterns

For Teachers 9th
In this Algebra I worksheet, 9th graders explore number and geometric patterns and use the Sieve of Eratosthenes to find the prime numbers less than one hundred.  The six page worksheet contains eight multipart questions. ...
Lesson Plan
Curated OER

Patterns in the Sums of Polygon Angles

For Teachers 6th
Sixth graders discover the patterns of sums of polygon angles. In this math lesson, 6th graders study the properties of geometric shapes to solve problems as they participate in hands-on activities.
Lesson Plan
Curated OER

Growing, Growing, Gone

For Teachers 1st - 3rd
Budding mathematicians identify growing patterns in numbers and songs then create their own patterns. They look at number patterns and language patterns and then create their own using money and footprints.
Lesson Plan
Curated OER

Look for Patterns: Quilts in Two Faith Ringgold Stories

For Teachers 3rd - 5th
Author Faith Ringgold uses quilts to illustrate her books Tar Beach and Aunt Harriet's Underground Railroad. In this integrated trio of activities, young scholars read stories, identify and create patterns, and design quilt squares of...
Worksheet
Curated OER

Learning about Fibonacci

For Students 5th - 7th
In this learning about Fibonacci worksheet, students read about Leonardo Fibonacci and his contribution to mathematics, then study the pattern of Fibonacci numbers, in math and in nature.
Printables
Didax

Multiplication Facts

For Teachers 3rd - 5th Standards
Learning their multiplication facts is a big step in the education of young mathematicians. Help achieve this goal with the support of this collection of instructional materials.
Lesson Plan
Curated OER

Linear Inequalities in One and Two Variables: Rays and Half Planes

For Teachers 9th - 12th Standards
Define rays and half planes, including the concepts of boundary lines and prerequisite knowledge of coordinate planes. Given linear inequalities in one and two variables, your class will compare the differences. They will also graph...
Lesson Plan
Education Closet

Equal Rhythms

For Teachers 3rd - 5th Standards
Engage young mathematicians in learning about fractions with this cross-curricular math and music lesson plan. After listening to and repeating different beat patterns, children realize that musical notes are just another way of...
Assessment
Illustrative Mathematics

Red and Blue Tiles

For Students 2nd Standards
Here, second graders are tasked to find the patterns that have an even number of tiles. They are asked to think about why these patterns are even or odd and explain how they know.
Lesson Plan
Virginia Department of Education

Square Patios

For Students 8th - 10th Standards
Build a patio from toothpicks and marshmallows to analyze functions! Learners look for patterns in the data as they create different size patios. As they discover patterns, they make connections between the different representations of...
Interactive
Annenberg Foundation

Geometry 3D Shapes: Euler's Theorem

For Students 6th - 10th Standards
How do you get a theorem named after you? Euler knows what it takes! The third lesson of five asks pupils to use an interactive activity to compare the faces, vertices, and edges of seven different three-dimensional solids. They use...
Assessment
Los Angeles County Office of Education

Assessment for the California Mathematics Standards Grade 1

For Students 1st Standards
Here is an assessment designed to test mathematicians' knowledge of writing numbers, comparing numbers, skip counting, solving addition and subtraction problems; along with measuring objects, telling time, identifying shapes, reading...