In today’s MathStratChat, Pam and Kim discuss the MathStratChat problem shared on social media on February 11, 2026.

Note: It’s more fun if you try to solve the problem, share it on social media, comment on others strategies, before you listen to Pam and Kim’s strategies.

Check out #MathStratChat on your favorite social media site and join in the conversation.

Twitter: @PWHarris

Instagram: Pam Harris_math

Facebook: Pam Harris, author, mathematics education

How can you tweak a Problem String to work perfectly for your class? In this episode, Pam and Kim share a subtraction Problem String, and then unpack what changes they'd make for different audiences.

Talking Points:

• A subtraction Problem String with the Over strategy
• The purpose of "what could a Helper be"?
• When to provide a Helper problem
• Adult-ish Problem Strings can cover more content
• Making a Problem String appropriate for your grade level

Check out our social media
Twitter: @PWHarris
Instagram: Pam Harris_math
Facebook: Pam Harris, author, mathematics education
Linkedin: Pam Harris Consulting LLC

In today’s MathStratChat, Pam and Kim discuss the MathStratChat problem shared on social media on February 4, 2026.

Note: It’s more fun if you try to solve the problem, share it on social media, comment on others strategies, before you listen to Pam and Kim’s strategies.

Check out #MathStratChat on your favorite social media site and join in the conversation.

Twitter: @PWHarris

Instagram: Pam Harris_math

Facebook: Pam Harris, author, mathematics education

Introducing new math concepts can be tricky. In this episode, Pam and Kim do a Problem String to introduce logarithms in a natural, figureoutable way.

Talking Points

• Problem String to introduce students to logarithms
• Differences between logarithms and algorithms
• Relationship between logarithms and exponents
• Developing exponential equations

Check out our social media
Twitter: @PWHarris
Instagram: Pam Harris_math
Facebook: Pam Harris, author, mathematics education
Linkedin: Pam Harris Consulting LLC

In today’s MathStratChat, Pam and Kim discuss the MathStratChat problem shared on social media on January 28, 2026.

Note: It’s more fun if you try to solve the problem, share it on social media, comment on others strategies, before you listen to Pam and Kim’s strategies.

Check out #MathStratChat on your favorite social media site and join in the conversation.

Twitter: @PWHarris

Instagram: Pam Harris_math

Facebook: Pam Harris, author, mathematics education

Are your Number Talks purposeful? In this episode, Pam and Kim discuss the when, how, and why of Number Talks, which they call Problem Talks.

Talking Points:

• Problem Talk vs. Problem String
• When and why to use a Problem Talk
• Example Problem Talk of 15 x 36
• Deciding whose strategy to represent
• Problem Talks are still instructional
• How many students to choose
• Choosing a rich problem

For more about Problem Talks and Problem Strings, check out episodes 33 and 241. Episode 33 , Episode 241

Check out our social media
Twitter: @PWHarris
Instagram: Pam Harris_math
Facebook: Pam Harris, author, mathematics education
Linkedin: Pam Harris Consulting LLC

In today’s MathStratChat, Pam and Kim discuss the MathStratChat problem shared on social media on January 21, 2026.

Note: It’s more fun if you try to solve the problem, share it on social media, comment on others strategies, before you listen to Pam and Kim’s strategies.

Check out #MathStratChat on your favorite social media site and join in the conversation.

Twitter: @PWHarris

Instagram: Pam Harris_math

Facebook: Pam Harris, author, mathematics education

There is much more to fractions than "cross multiply and divide". In this episode, Pam and Kim facilitate a Problem String to explore the partitive meaning of fractions.

Talking Points:

• Fractions and division
• The partitive meaning of fractions
• Equivalent fractions
• Relational reasoning in understanding fractions
• Scaling up or down to find equivalent, simpler problems

Check out our social media
Twitter: @PWHarris
Instagram: Pam Harris_math
Facebook: Pam Harris, author, mathematics education
Linkedin: Pam Harris Consulting LLC