Lesson Plan
Curated OER

Learning to Add and Subtract

For Teachers 2nd - 4th
Young learners practice addition and subtraction to solve problems. They use a webquest application to model how to solve math problems using pictures, words and numbers, and also practice using multiplication and division.
Lesson Plan
Curated OER

Prime and Composite Number Mini Lab

For Teachers 3rd - 5th
Elementary schoolers determine the attributes of prime and composite numbers. Pupils, working in pairs, participate in an activity in which they use manipulatives to show the rectangles that can be made from square tiles. They practice...
Lesson Plan
Curated OER

Math: Navigating the World Around Me

For Teachers 4th - 6th
Young mathematicians research and discuss real world math word problems and ways in which they apply math concepts in their everyday lives. They create a storyboard of a math word problem from which they create a slide for a multi-media...
Activity
Noyce Foundation

Perfect Pair

For Students K - 12th Standards
What makes number pairs perfect? The resource provides five problems regarding perfect pairs of numbers, the definition of which changes in complexity with each task. Solutions require pupils to apply number sense and operations, as well...
Activity
Education Development Center

Word Problem with Rational Numbers—Balancing Bars of Soap

For Teachers 4th - 5th Standards
Here's a resource teachers won't want to wash their hands of. Given a task where a full bar of soap is on one side of a balance and 3/4 of a bar of soup and a 3/4-ounce weight is on the other side, young mathematicians must determine the...
Lesson Plan
Lakeshore Learning

Comparing and Ordering Fractions

For Teachers 3rd - 5th Standards
Math can be satisfying for the mind and the stomach! Incorporate slices of pizza into your fractions lesson with a set of informative resources. After a brief guided lesson on comparing and ordering fractions, young mathematicians...
Worksheet
Curated OER

Multiplication and Division Word Problems

For Students 3rd - 5th
Introduce this multiplication word problem with a question: How long does an average song last? Listen to scholars tell you about especially long and short songs, then give them this as an all-class warm up. There is one question...
Lesson Plan
Curated OER

Looking Through the Algebraic Lens

For Teachers 3rd - 5th
Students work with rectangles to find generalizations for adding and subtracting odd and even numbers in part one of the lesson. In part two, students use geoboards to construct polygons, look for patterns, and find a general rule.
Lesson Plan
Curated OER

Addition and Subtraction of Whole Numbers

For Teachers 4th
Fourth graders answer word problems based on the fifty states. In this math word problem lesson, 4th graders understand that differences in problems require different math operations.
Lesson Plan
Curated OER

Math, Music and Architecture: Kindergarten Geometry and Aesthetics in Music and Architecture

For Teachers K - 8th
Students identify and name different geometrical shapes. In this math lesson plan, students distinguish odd from even numbers. They describe the properties of 2 and 3 dimensional objects.
App
Third Rail Games

Factor Samurai

For Students 3rd - 5th Standards
Master composite and prime numbers with this fast-moving game. Using your sword, slice those composite numbers and watch them break up into factors. Slice again if those factors are composite. However, watch out for prime numbers,...
Worksheet
Curated OER

Choose the Operation: Plus or minus (up to 100)

For Students 2nd - 4th Standards
Investigate the relationship between addition and subtraction as scholars fill in these number sentences, each of which is missing a symbol. Is it a subtraction or addition equation? There are 20 of these to start, all written...
Worksheet
Curated OER

Ordering Large Numbers: Numbers up to 9,200,000

For Students 3rd - 5th Standards
Once learners understand place value, they can put all kinds of numbers in order - even eight-digit numbers! Fourth graders put groups of five numbers in order from smallest to largest. After they finish, they decipher a word problem and...
Worksheet
Curated OER

Multiplying Larger Numbers by 1-Digit Numbers

For Students 3rd - 5th Standards
Introduce multiplication with large numbers to your fourth grade class. A straightforward activity provides three and four-digit numbers, multiplied by one-digit numbers, to help transition your learners into more difficult...
Worksheet
DK Publishing

Real-Life Problems: Miles, Pounds, and More

For Students 4th - 5th Standards
Give young arithmeticians an applicable way to use their addition and subtraction skills with these five word problems. Each one presents a scenario requiring they add or subtract numbers with units (money, distance, weight,...
Worksheet
Curated OER

Multiplying by 2-Digit Numbers

For Students 4th - 6th Standards
Need some practice multiplying large numbers? Bring this list of problems to your fifth grade class to use as a review of multiplication of 3 digit numbers by 2 digit numbers. The format of this resource makes it a good quiz or homework...
Lesson Plan
Curated OER

Arithmetic: Fractions and Percentages

For Teachers 4th - 8th
Young mathematicians review the basic operations needed for addition and subtraction of fractions. They review the rules for addition and subtraction of fractions with the same denominator, how to change them if the denominators are...
Interactive3:01
Scholastic

Study Jams! Relate Addition & Subtraction

For Students 1st - 4th Standards
Understanding the inverse relationship between addition and subtraction is essential for developing fluency in young mathematicians. Zoe and RJ explain how three numbers can form fact families that make two addition and two subtraction...
Lesson Plan
PBS

Add, Subtract and Multiply Fractions

For Teachers 4th - 6th Standards
Your future chefs will appreciate this comprehensive lesson plan where learners practice operations on fractions using pizza and soup analogies. Learners begin with a pizza analogy that requires the learners to multiply a whole...
Worksheet
Curated OER

Multiplying by 10 and 100

For Students 4th - 6th Standards
Work on multiplication and division with your fifth graders. They practice multiplying and dividing by 10s and 100s in four sections of problems, all written in varying formats. A great way to reinforce your math lesson!
Lesson Plan
Curated OER

Multiplication and Division Word Problems Made Easy

For Teachers 4th - 6th
Marbles to learn math? What fun! Discuss the rules of multiplication and division when applied to whole numbers, decimals, and fractions. Small groups use6 marbles to design different types of multiplication and division problems, and...
Lesson Plan
Curated OER

Operation Spaghetti

For Teachers 3rd - 5th
Find the math in recipes. Young chefs will follow a recipe and investigate the total cost for materials. They measure amounts of food necessary for the recipe and compute the per person cost.
Unit Plan
Common Core, Inc.

Multi-Digit Whole Number Subtraction

For Teachers 3rd - 4th Standards
A thorough exploration into subtracting multi-digit numbers, this series of lessons is an excellent way to guide learners of any skill level. With a step-by-step lesson plan and straightforward assessment tools, kids are sure to...
Activity
Noyce Foundation

Fractured Numbers

For Students K - 12th Standards
Don't use use a fraction of the resource — use it all! Scholars attempt a set of five problem-of-the-month challenges on fractions. Levels A and B focus on creating fractions and equivalent fractions, while Levels C, D, and E touch on...