# Richard Blankman

Shaped Editor

As a marketing director for HMH, Richard develops content to promote the brand and its products, specializing in math games and activities. Previously, he was Senior Learning Architect for HMH, and before that, a high school math teacher. He has a bachelor’s degree in mathematics from the University of Maryland, Baltimore County, and has appeared as a math expert on HMH’s Math at Work series.

#### Math Diagnostic Assessment: What It Is and How to Use It

Math diagnostic assessment is defined, explained, and compared to other types of assessment, such as formative assessment and summative assessment.

#### 7 High-School Icebreakers for the First Day of School

These high school icebreakers for the first day of school will help students get to know one another while having fun.

#### Low Floor, High Ceiling Math Tasks

This article provides a definition of low floor, high ceiling math tasks, along with benefits, examples, and strategies for designing them.

#### 11 Fun Summer Learning Activities for Elementary and Middle School Students

As the school year ends, keep kids engaged with these fun summer learning activities for elementary and middle school students.

#### What Is Procedural Fluency in Math?

This article explains what is procedural fluency in math. Common myths are explored, along with how procedural fluency changes across grades.

#### What Is Conceptual Understanding in Math?

Many teachers ask, what is conceptual understanding in math? This article explains the difference between conceptual understanding and procedural fluency and how to improve math understanding.

#### Collecting Data Lesson Plans for 1st and 2nd Grade

Try these collecting data lesson plans for 1st and 2nd grade to introduce students to tally charts and other ways to collect and interpret data.

#### The Relationships Between Numbers in Math

Explore the relationship between numbers in math, including multiplication, division, addition, and subtraction.

#### Lesson on Comparing Fractions: Is 2/3 More Than 1/2?

Find out the solution to "is 2/3 more than 1/2?" along with an investigation into why and when the solution can change.

#### A Hand Span Measurement Lesson

Hand span measurement lesson where teachers have students measure their hand spans and use that to describe and compare distances

#### True, False, and Open Sentences in Math

In this article, we investigate true, false, and open sentences in mathematics, including how to tell whether a sentence is true and false and how to solve open sentences.

#### What Is Pi Day and Why Do We Celebrate It?

What is Pi Day and why do we celebrate It? Learn about the history of the holiday and how to celebrate Pi Day in the classroom.

#### 6 Differentiated Instructional Strategies for Middle School Math

This list of differentiation instructional strategies for middle school math teachers gives ideas for students of all backgrounds to engage in math.

#### Gamification in Education: The Fun of Learning

This article breaks down the question, what is gamification in education? Gamification of learning means that educators apply game design elements to an educational setting.

#### 8 Free Elementary Math Activities

Get your elementary students hooked on math with these games and activities.

#### Math Meets Sports: How Is Math Used in the Summer and Winter Games?

In a special Olympic edition of the Math at Work web series, paired with activities based on the Olympic Games, students will learn how important math is to the world of sports.