3-5 Math Forum
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Math CCLS Resources
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Middle School (6-8)
Accelerated Math Discussion
High School (9-12)
Math Common Core Standards
Useful Website Links
Implementation Phase 1 (2012-2013)
Implementation Phase 2 (Elementary 2013-2014)
Models to Support Thinking
Illustrative Mathematics for CCLS
3-8 Math Scoring Training Resources
Understanding Module 2- Grade 4
Understanding Module 3- Grade 4
Tape diagrams are models that students draw to help them visualize the relationships between the quantities
. The models open the door to efficient problem solving and help students see the coherence in the mathematics across the years.
The following files provide an opportunity to model problems across the grade levels.
Samples are taken from the "Story of Units" curriculum modules.
The following articles provide some additional insights into the use and the impact of tape diagrams.
Solving Algebra and Other Story Problems with Simple Diagrams:
a Method Demonstrated in Grade 4–6 Texts Used in Singapore
Singapore Math: Simple or Complex?
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