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Teaching Product of Prime Factors

In this lesson, use factor trees to teach students the concept that a composite number is written as a product of all of its prime factors.

Richard Blankman
Shaped Executive Editor

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Halloween Math Activities for Middle School and High School Students

Here are fun Halloween math activities for middle school and high school students. Try these activities to celebrate Halloween in your math classroom and ensure that your middle school and high school students can enjoy the holiday while in school.

Richard Blankman
Shaped Executive Editor

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Math Meets Culinary Arts: How Do Chefs Use Math in Their Job?

Learn about the role of math in cooking in the "Math Meets Culinary Arts" episode of HMH's Math at Work web series.

Shaped Staff

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5 Memorial Day Math Activities

Try these fun Memorial Day math activities to celebrate the holiday with your students using Memorial Day-themes games, lesson plans, and activities.

Richard Blankman
Shaped Executive Editor

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How to Prepare Elementary School Students for Algebra

Ease elementary school students' transition from arithmetic to algebra by introducing them to algebra concepts throughout the elementary grades.

Shaped Staff

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Do We Have to Integrate Technology in the Math Classroom?

Read about integrating technology in the math classroom and how math technology can be used as a tool to support teaching.

Dr. Matthew R. Larson
Past President, National Council of Teachers of Mathematics (NCTM); Senior Fellow, Math Solutions

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Math Meets Fashion: How Does a Fashion Designer Use Math?

Learn about the role of mathematics in fashion design with the "Math Meets Fashion" episode of HMH's Math at Work web series.

Shaped Staff

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Teaching Multiplication and Division Relationship Using Arrays

Use this lesson to teach students array multiplication, array division, along with other visual aids to show the relationship between multiplication and division.

Richard Blankman
Shaped Executive Editor

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7 Tips for Helping Your Child with Math at Home (When You Hate Math)

Explore tips for parents, caregivers, and educators who are helping children with math at home but don't feel comfortable or competent in the discipline.

Richard Blankman
Shaped Executive Editor

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Math Meets Homebuilding: How Do Homebuilders Use Math in Their Careers?

Explore how math meets homebuilding with this Math at Work web series episode answering the question: How do homebuilders use math in their careers?

Jordan Friedman
Former Shaped Editor

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Math Talk Moves: Engaging Students Through Discussion in the Math Classroom

Students should be engaged in solving and discussing tasks that promote reasoning and problem solving.

Dr. Matthew R. Larson
Past President, National Council of Teachers of Mathematics (NCTM); Senior Fellow, Math Solutions

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Math at The Met: Teaching Math Through Art from the Metropolitan Museum of Art

Here are three specific ways that teaching math through art from The Met can enhance your students’ learning experience.

Richard Blankman
Shaped Executive Editor

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Multiply or Add First? Teaching Order of Operations Rules

Use this lesson to teach students about the order of operations: complete operations in parentheses, multiply and divide from left to right, and add and subtract from left to right.

Richard Blankman
Shaped Executive Editor

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Teaching Rational Numbers: Decimals, Fractions, and More

Use this lesson to teach students about rational numbers, including decimals, fractions, and integers.

Richard Blankman
Shaped Executive Editor

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Black Friday Classroom Activity and Lesson Plan: Teaching Math and Money

This Black Friday classroom activity can teach elementary students about spending and budgeting as well as decimals and percentages.

Shaped Staff

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Teaching Flat Plane Shapes and Solid Shapes

Teach students about plane shapes, or closed, two-dimensional figures, and solid shapes, which include many of the everyday objects with which students are familiar.

Shaped Staff

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Pi Day Scavenger Hunt for Middle School Students

Celebrate Pi Day with a Pi Day scavenger hunt for middle school students. Have students scour the classroom for objects relating to the number pi.

Richard Blankman
Shaped Executive Editor

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Teaching Prime Factorization of 36

When a composite number (like 36) is written as a product of all of its prime factors, we have the prime factorization of the number.

Richard Blankman
Shaped Executive Editor