Lesson Plan
Curated OER

Investigation-Reasoning and Proof

For Teachers 3rd
Third graders determine the outcome of each of the following situations and justify their findings: even number + even number = ?, even number + odd number = ?, odd number + odd number = ?, and odd number + even number = ?.
Printables
K-5 Math Teaching Resources

Large Five Frames with Dots

For Students Pre-K - 2nd Standards
Enhance young mathematicians' counting strategies using this large five frames printable. Here, you'll find a large one by five array with red counters to support adding and subtracting through visual images of numbers one through...
Worksheet
Curated OER

Math in English Skills VII Exercise Book

For Students 1st - 6th
A great way to help struggling learners with long division is to provide graph paper. These worksheets provide handy boxes to help kids keep all that great work in the right order. It also provides over 20 worksheets to help pupils...
PPT
Curated OER

Fraction X--Adding Unlike Denominators

For Teachers 4th - 5th
In this math PowerPoint, the process of adding fractions with unlike denominators is broken down into a logical, easy-to-follow sequence of steps. Definitions and examples of multiples, least common multiple, and least common denominator...
Worksheet
Mathed Up!

Fractions: Adding, Subtracting, Multiplying, and Dividing

For Students 4th - 8th Standards
Add, subtract, multiply, and divide fractions with a worksheet designed to give your learners practice performing fraction operations. 
Worksheet
Curated OER

Subtraction with 3 Digit Numbers #2

For Students 2nd - 3rd
Take subtraction to the next level with this resource, which contains 20 subtraction problems with three-digit numbers. After completing these problems, second and third graders work on five additional problems, which involve two-digit...
Lesson Plan
Curated OER

Addition and Subtraction of Fractions

For Teachers 3rd - 5th
Students demonstrate how to solve addition and subtraction of fractions. In this fractions lesson, students use folded paper to shade in fractional parts and identify the sum of the parts shaded.
PPT
Curated OER

Addition and Subtraction up to 100

For Teachers 4th - 5th
After reviewing double-digit addition and subtraction up to and from 100, learners are introduced to addition and subtraction up to and from 10,000. A grid is used along side number decomposition to help them solve a word problem...
App
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THUP Games

Monkey Math School Sunshine

For Students Pre-K - 1st Standards
Hang out at the beach and listen to some relaxing tunes, all while developing basic math skills. An endless source of fun and learning for young children!
Printables
Curated OER

Caterpillar Math Game

For Teachers 1st - 3rd Standards
Invite your youngsters to practice addition and subtraction by playing this game. Kids must determine the answer to each math problem and place that problem on the segment of the caterpillar that holds the answer.
Printables
K-5 Math Teaching Resources

Small Five Frames with Dots

For Students Pre-K - 2nd Standards
Working on adding and subtracting small numbers? Introduce five frames with a resource that visually supports your mathematicians' growing proficiency with counting strategies. 
Worksheet
Scholastic

Sums & Differences

For Students 3rd - 6th Standards
Word problem solving and inter-galaxy football combine to offer a great activity for practicing adding and subtracting whole numbers! 
Worksheet
DK Publishing

Money Word Problems #3

For Students 2nd - 3rd Standards
Money is an excellent way to help young mathematicians practice adding and subtracting numbers with decimals. They solve 15 word problems representing a variety of scenarios for calculating money. For some, scholars determine which bills...
Lesson Plan
Illustrative Mathematics

Operations on the Number Line

For Teachers 7th - 9th Standards
A different way to look at integers is on this number line with variables in place of numbers. Learners are to look at different expressions and describe why they think the answer would be positive or negative, depending on the location...
Worksheet
Curated OER

Math in English Skills VI Exercise Book

For Students 1st - 6th
If you need a comprehensive math packet specifically intended for learners who are struggling with fractions, look no further. Individuals will be able to practice comparing, simplifying, adding, and subtracting fractions in an enjoyable...
Worksheet
Curated OER

Critical Thinking Problems

For Students Pre-K - K
Young mathematicians practice their reasoning as well as adding and subtracting skills with this learning exercise that includes five simple word problems about birthdays. Learners are give pictures of birthday cakes and based on the...
Lesson Plan
Curated OER

20 Tickets

For Teachers 1st - 2nd Standards
A great hands-on activity involving adding and subtracting, beginner mathematicians determine how many games can be played with 20 tickets. Instead of tickets, youngsters use 20 counters or linking cubes to represent the amount of...
Handout
Thomson Brooks-Core

Complex Numbers

For Students 10th - 12th
A straightforward approach to teaching complex numbers, this lesson addresses the concepts of complex numbers, polar coordinates, Euler's formula, De moivres Theorem, and more. It includes a practice problems set with odd answers...
Assessment
Los Angeles County Office of Education

Assessment For The California Mathematics Standards Grade 6

For Students 6th Standards
Test your scholars' knowledge of a multitude of concepts with an assessment aligned to the California math standards. Using the exam, class members show what they know about the four operations, positive and negative numbers, statistics...
Worksheet
Curated OER

A Human Number Line: Student Worksheet

For Students 4th - 6th
Kids are challenged to make a human number line. They line up, holding numbers from -10 to 10. They then add and subtract both positive and negative numbers, using themselves as the numbers on the number line. This is a great way to...
Lesson Plan
NTTI

I'll Halve S'more Please!

For Teachers 3rd - 5th Standards
There is a lot to learn about fractions, and this is a fun way to do it! Individuals participate in a Cyberchase activity to describe a fraction in terms of sharing parts of a whole. They determine the meaning of the parts of a fraction,...
Lesson Plan
Alabama Learning Exchange

Add, Subtract, and Multiply Matrices

For Students 9th - 12th Standards
Introduce the concept of matrices with a pre-designed instructional activity. Learners watch video lessons to learn the ins and outs of adding, subtracting, and multiplying matrices. Using provided problems, they practice each operation...
Lesson Plan
Curated OER

Number Operations

For Teachers 3rd - 4th
Inject fun into your math review! Pupils review basic math operations with decimals as well as addition and subtraction with simple fractions. In this number operations lesson, students work in groups to create a game for the math skill...
Lesson Plan
Curated OER

That's The Way the Cookie Crumbles

For Teachers 3rd
Third graders work with money values and making purchases. In this money lesson, 3rd graders listen to Donna Guthrie's book, Real World Math: Money and Other Numbers In Your Life. They make money cookies either with a recipe or with...