How To Use Clothesline Math

by Kristen Acosta


($54.00 for 12 months of access)

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Subject: Mathematics

Grade Levels:

  • Elementary School
  • Middle School

Start Date: Immediate access

Access for 16 weeks

2 Professional Development Hours

Timing: Self-paced with no set meeting time

1 Graduate Level Professional Development Credit Available

Topics Covered:

  • Number Sense
  • Fractions
  • Decimals
  • Whole Numbers
  • Percents
  • Number Line
  • Clothesline Math

One mangrove tree will be planted

About This Workshop

Have you been curious about Clothesline Math, but not sure how to implement it in your classroom?  If your answer is yes, then this mini-workshop will answer all your questions.  Your students will love to explore how numbers work and relate to one another while using this interactive, kinesthetic routine.

In this mini workshop, we will start by investigating what Clothesline Math is and how it can help your students.  We will review how to plan for a Clothesline Math lesson as well as the preparations needed for the lesson.  We will explore all the mathematical content that Clothesline Math can assist with including whole numbers, fractions, decimals, and percents.  And finally, we will end our workshop with plenty of resources.  

If you have questions, you can email me at  

Kristen Acosta

About the Instructor

Kristen Acosta

Kristen Acosta has been a math educator for over 20 years. She has taught TK-8 math as both as a classroom teacher and as a district math coach. As a math coach, Kristen found her calling in supporting other teachers. She has published several articles for a nationally recognized magazine for math educators. Additionally, Kristen was nominated for the Presidential Award for Excellence in Mathematics. Kristen’s work with math routines such as 3 Act tasks and clothesline math has led her to present at numerous conferences.

Kristen’s true passion is to have students as well as teachers realize that math can be innovative, engaging, and purposeful. The best math practices don’t necessarily have to come from a textbook. Math should be about active learning, conversation, and exploration.