Lesson Plan
Curated OER

Calendar Math

For Teachers 2nd - 5th
Combine calendar-reading with math in this series of worksheets. Each of the 12 months describe a different character's schedule, followed by comprehension questions. Learners practice writing dates and days of the week, determining how...
Worksheet
Curated OER

To Be a Triangle Or Not To Be a Triangle?

For Students 10th
In this triangles worksheet, 10th graders solve and complete 10 different problems that include applying the Triangle Inequality Theorem. First, they use the illustrated triangles and the data table to test the theorem. Then, students...
Lesson Plan
Curated OER

Matrix Operations

For Teachers 10th - 11th
Two real-world activities to practice adding, subtracting and multiplying matrices to problem solve. Data from several Pro football quarterbacks is used in one activity to make some predictions based on their stats. Then the class takes...
Lesson Plan
Curated OER

NUMB3RS - Season 2 - "Convergence" - Air Hockey

For Teachers 9th - 12th Standards
Learn how to use a matrix to organize data to solve a problem. This activity uses wins and losses to rank players for an air hockey tournament they wish to have. After practicing some basic matrix operations the class could do the...
Lesson Plan
Curated OER

Matrix Analysis of Networks

For Teachers 9th - 11th
  Explore the connection between a finite graph, a directed graph, and a matrix. Graph lines and identify the relationship of matrices in real-world scenarios. Then use this information to work with a partner to plan and design a...
Lesson Plan
Curated OER

Using Matrices to Enter Data and Perform Operations

For Teachers 9th - 12th Standards
Here's a TI step by step guided lesson on matrices. The class enters data into the TI calculator about movie ticket sales and uses matrices as a problem solving tool. They add and multiply matrices to determine profit.
Lesson Plan
Curated OER

Matrix Madness!!

For Teachers 9th - 11th
Perform operations to add, subtract, multiply and divide matrices. Then solve problems with vectors using matrices. A three day lesson: Matrix Madness, Mystical Matrices, and Decode the Encode. The last lesson has prizes that the class...
Worksheet
Curated OER

Spring Addition Sums 0-5

For Students Pre-K - K
Practice addition by counting animals associated with Spring to add sums up to five. One of the four equations requires students to create their own problem to solve.
Lesson Plan
Curated OER

The Sum of Our Integer Intelligences

For Teachers 7th - 8th
Young mathematicians explore integers. They review adding integers through engaging in mathematical labs. Each lab station is designed to reflect one of the multiple intelligences. Resources for all activities are provided.
Lesson Plan
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Curated OER

Operating on Matrices

For Teachers 9th - 12th Standards
Learners investigate matrices by exploring addition, subtraction and multiplication of matrices.  Students find the determinant and inverse of a matrix.  The lesson includes a set of practice problems
Lesson Plan
Curated OER

Fraction Problem Solving Process

For Teachers K
Help your charges solve a variety of fraction and skip counting problems using a problem solving process. As a class they work through a fraction problem step-by-step, and discuss a real-life connection to the problem. Students then play...
Lesson Plan
Curated OER

Two-Digit Addition at the Zoo

For Teachers 2nd
Your second graders explore two digit addition with regrouping. They will investigate problem solving strategies within the context of a trip to the zoo. Multiple resources and assessments are provided.
Lesson Plan
Curated OER

Number Addition Race

For Teachers 1st - 2nd
Practice basic addition facts and measuring skills. In this addition and measurement lesson, students are provided with drywall tape and work in groups of four at a long table. Partners take turns generating addends and marking the...
Worksheet
Curated OER

Adding with Andy

For Students 2nd - 3rd
A nicely-designed six-page packet of addition worksheets is here for you. Actually, it's a four-page packet. The final two pages are the answer keys. All 96 problems are one-digit addition problems and should provide good practice for...
Worksheet
Curated OER

Thanksgiving Addition

For Students 2nd - 4th
If you are teaching two-digit addition, this would be a good worksheet for you to consider using. Pupils add 19 problems. Each problem has three addends of two-digits each. An answer key appears on the second page of the packet.
Worksheet
Curated OER

Introduction to Adding Decimals

For Students 3rd - 4th
Here is a very fine worksheet you can use to teach your charges how to add decimals. There are 21 problems, and an excellent example of how this technique is used at the top of the page. An answer key makes up the second part of this...
PPT
Curated OER

Who Wants to Win Millions: Variables

For Teachers 4th - 5th
Lead your class on an exploration of basic algebra using this resource. As part of a game, learners answer algebra questions involving addition, subtraction, multiplication, and division. 
PPT
Curated OER

Who Wants to Be a Champion: Adding

For Teachers 2nd - 3rd
Have your class practice adding two, three, and four digit numbers using this game. This resource provides a great way to practice these important skills in a motivating way. It could be a good center activity.
PPT
Curated OER

Who Wants to Win Millions-Counting by Twos and Threes

For Teachers 2nd
Make learning fun for your second graders. Use this game to have learners practice counting by twos, counting by threes, identifying odd and even numbers, and adding.
PPT
Curated OER

Who Wants to Win Millions: Decimals and Percents

For Teachers 4th - 5th
What a great way to review math concepts involving decimals and percents! Learners solve problems involving adding decimals, converting percents to decimals, and multiplying decimals.
PPT
Curated OER

Suma de dos Digitos

For Teachers K - 2nd
Step-by-step instructions on adding two-digit numbers are visualized in this colorful PowerPoint. There are a total of eleven example problems for students to complete as a class. Note: Instructions are in Spanish.
Interactive
CK-12 Foundation

Sums of Mixed Numbers: Split the Addition

For Students 5th - 8th Standards
Five questions challenge scholars to add mixed numbers. A tool creates a visual model that separates whole numbers from fractions parts. Problem types include fill in the blank, true or false, and discussion.  
Activity
Curated OER

Domino Addition

For Teachers 1st - 2nd Standards
Hands-on learning in math is essential to all learners, especially youngsters. In a math learning activity, young mathematicians use dominoes in order to discover the commutative property of addition. Fact families and doubles facts can...
Worksheet
Math Worksheets Land

Add and Subtract Multi-Digit Whole Numbers

For Students 3rd - 5th Standards
Help young mathematicians see the value in addition and subtraction. Offering one addition and one subtraction problem, this worksheet walks students step-by-step through the solutions of each, starting in the ones place and working...