# Getting Started with Number Talks

Welcome Friends! Today’s guest post was contributed by Shametria Routt Banks, The Routty Math Teacher, and is about implementing number talks in the classroom. This post includes an overview of how and why number talks work, tips and strategies to get you started, as well as a variety of resources to use on your journey. Happy reading!

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Some years ago, I had a student named David. Because I looped with my fourth grade class up to fifth grade, I was teaching David for a second year. Just to give you a little background about David, he came to me in fourth grade as one of my lowest performers. In fact, he had failed the state assessment the previous year in third grade. Needless to say, David struggled through the year. However, by the end of the year, he had made a tremendous amount of progress and only missed five questions (out of about 50) on the state test. Given his success and relentless desire to succeed, I was thrilled to have another year with David!

During the first few days with my fifth grade group, which had about 10 new faces, I posed a mental math challenge for my students. I asked them to find the product for 24 x 8. After a few moments, one of my high achievers, whom I did not teach in fourth grade, raised his hand with the solution. I went over to his desk, reviewed his work, validated his effort, and said, “That is not what I asked you to do.” With a puzzled look and a know-it-all smile, he stared at me, and then I asked him to try again. After several failed attempts to utilize any strategy other than the traditional one, he looked at me and said, “There is no other way.”

After this exchange, and sensing both my and the student’s frustration, David walked over to the student and said, “This is what she means.” He proceeded to show his new classmate how to break the 24 into 20 and 4 and then multiply each part by 8 to get 160 + 32 = 192. I couldn’t believe my eyes! David was teaching one of the highest achieving students in the class how to multiply using a mental math strategy. At that moment, David was the student with the knowledge who knew how to do the math! I was so proud!

This moment in teaching reminded me that our students will learn what we teach them if we give them the right tools to learn. I didn’t realize it at the time, but I know now that a simple routine that I had been doing with my fourth graders to help them gain some mental math and numeracy skills had given them a new toolbox of strategies with which to attack math problems. Back then, I called them “mental math strategies,” and we worked through one problem each day sharing strategies and discussing ideas. Today, this same activity has been coined a Number Talk.

Last fall I participated in a nationwide collaborative book study with teachers and instructional leaders across the country focused on the book Making Number Talks Matter by Cathy Humphreys and Ruth Parker. Each week, we discussed a new chapter via a Teaching Channel forum, Twitter, or Facebook group. As I reflected on my learning, I decided to write this article to introduce other teachers to number talks and to help them get started using the routine in their classroom from the very first days of school.

# What Is a Number Talk?

A number talk is a daily routine that requires students to demonstrate flexibility in working with numbers and solving basic problems without using paper and pencil to find the solution.

# What’s the Value in Doing Number Talks?

Besides building more confident math students, number talks require students to be flexible in their thinking about numbers and operations. In addition, students increase their ability to articulate their thinking and refine their mathematical communication skills through the use of number talks.

# The Strategies

The authors spend a good portion of the book demonstrating how number talks can be used to help students “think deeply and flexibly about the operation[s]” (p. 33).  Where a teacher decides to start with his or her students depends on several factors. When I began using a number talk-like activity in fourth grade, I started with multiplication because we were working on strategies for multiplication on our pace chart for the yearly scope and sequence.

At the time, I began by using the illustrations in Greg Tang’s The Grapes of Math to help my students find quick ways to count the number of objects on the page—much like Kindergarten and first grade teachers do with dot pictures. The illustration to the right is an example. When I displayed this picture for my students, they would respond with statements such as, “I see two rows of five and three rows of four, or 10 + 12, so there are 22 snails.” Another student may say, “I see five rows of five with three snails missing, or 25 – 3, so 22 snails.”

Through this experience, I was able to provide a very rich opportunity to extend my students’ thinking to more advanced numerical equations, such as (2 x 5) + (3 x 4) = 22 or (5 x 5) – 3 = 22, and form the basis for understanding the order of operations. This activity then provided a good foundation for the work we were doing with multi-digit multiplication.

The authors stress the importance of teachers being familiar with a variety of strategies before beginning number talks. This allows two things to happen. First, it allows teachers to be able to help students articulate a strategy they’ve used by asking questions that will help them analyze and then communicate about their method more clearly. Second, it allows teachers the opportunity to suggest a particular strategy if it does not come up in conversation. Adding, “I once had a student who completed the strategy like this _________” is a good way to interject a strategy you want to explore with the class. Ultimately, this will lead to all students expanding their strategy toolboxes.

To help teachers better understand some of the strategies highlighted in the text, I have created some strategy posters to familiarize you with how students may utilize the strategies. See the subtraction poster to the left for an example. The authors note that it’s not important for students to use all of the strategies. They just need one strategy that they understand and of which they can make sense. (You can find a link to the posters using the “Getting Started with Number Talks” freebie at the end of this article.)

# How to Get Started with Number Talks

## Norms for Building Community

Like many other math routines, creating norms for the community and helping students feel like they are working in a safe space is imperative. In order for number talks to be successful, students must understand how to actively listen and hold a respectful exchange of ideas. Before implementing number talks in the classroom, brainstorm a list of classroom norms for how community members will participate and behave during the routine. (See the picture below for an example of some of the norms you may want to include.)

## Teacher and Student Roles

Unlike a math talk, during a number talk, it is the teacher’s job to encourage students to share their solution strategies, ask questions to clarify understanding, and direct the learning of the class. Number talks require students to explain their solution strategies, convince others that their strategy works, and listen to and pose questions about the strategies of others.

## The Number Talks Flow

The flow of the Number Talk is described in detail below.

1. Have students begin with a clean desktop, as no materials are needed.
2. Create a problem, or choose a picture to present.
3. Ask students to solve the problem mentally and use a “thumbs-up” to indicate when they are ready to share.
4. When most students are ready, allow willing students to share their answers, and record them as stated on the board without a verbal or non-verbal response indicating correctness.
5. When there are no other volunteers, ask students to explain how a specific response could have been obtained; this is called “defending” an answer. Multiple students can defend the same response, as there is not a specific way to complete a problem.
6. Have students share their thinking strategies to defend a specific answer. During this time, students should be encouraged to do more than just share their procedure. They should share their thinking strategy and how they arrived at a specific response.
7. While students are defending, think about questions that can be used to help students extend or clarify their response for the class so that their strategy is better understood. There are no wrong answers! The beauty of a number talk is that it gets the students talking about their thinking. In many cases a student will discover an error in their own thinking or reveal and correct a “wrong” response on their own.

## Extending the Thinking

Because the goal of number talks is to help students communicate their thinking, after a student has shared his/her strategy, there are several questions that can be used to extend and help a student better shape his/her thinking.

• Are there any questions for ________________?
• Can you tell me more about ________________?
• Can someone use their own words to explain ________________’s strategy?
• What connections can you make among the strategies?

# Final Thoughts

The strategies that students use and are able to learn from doing number talks is invaluable! Students can build a mental storehouse of strategic tools through this process. Tools = POWER — when our students possess and can select tools strategically to solve problems. In addition, the rich discussion that occurs between the students and the teacher during number talks is truly amazing! Imagine the possibilities if all of our students had the reasoning, critical thinking, language, and communication skills that result from regular participation in number talks.

Freebie Alert! I have created a “Getting Started with Number Talks” pack full of resources to help you get started on your number talks journey. Grab this freebie here or click on the image.

# Number Talks Resources

Books: There are several resources that can provide additional details about implementing number talks in the classroom. Check out the following resources for more insight:

Videos:

• How to Learn Math for Teachers and Parents” with Jo Boaler gives you a feel for the power behind number talks. Rather than being an example of a number talk in action in a classroom, this video gives a few examples of how number talks can be used to build math power and provides a bit more background behind their usefulness.

Pinterest Board: There are many great resources for all grade levels on Pinterest. Click here to check out my Number Talks Pinterest board.

# Credits

Books and Web Resources

• Humphreys, C. and Parker, R. (2016). Making Number Talks Matter. Portland, Maine: Stenhouse Publishers
• Tang, G. (2001). The Grapes of Math. New York, NY: Scholastic, Inc.

Clip Art

• Krista Wallden

* Minds in Bloom, Inc. is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon properties including, but not limited to, amazon.com, endless.com, myhabit.com, smallparts.com, or amazonwireless.com.

Shametria is married to an amazing basketball coach and has been a Texas educator for 14 years. She’s currently a secondary math instructional coach and is working toward a Doctoral degree in Mathematics Education at Baylor University. She is also a blogger, instructional resource creator, and professional development facilitator! Check out her Routty Math Teacher Blog and Teachers Pay Teachers Store for additional teaching tidbits and freebies!

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