## Common Core State Standards for Mathematics

Grade(s) K-12 resources related to the following standard:
Standards for Mathematical Practice
Model with mathematics.

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In this activity, learners decipher a page from the Dresden Codex, one of the few Mayan books still in existence. By thinking like an archaeologist, students combine their mathematical abilities with some basic logic and trial-and-error investigation to figure out what the codex means. In the course of this explorations, participants discover: How archaeologists have figured out what Mayan documents mean. How the Mayan system of counting is like ours, and how it is different. How Mayan beliefs were tied to their understanding of mathematics.
Activity, Instructor Guide/Manual, Project, Reference Materials, Article
This lesson plan requires students to interpret line plots with scales to the nearest quarter of a unit. During the lesson students review measurement, elements of a line plot, and analyzing data. An independent activity is included for assessment and students' examples are included for comparison.
Activity, Lesson Plans
In this 7-minute video Dr. Thomas P. Carpenter discusses the importance of building children's conceptual understanding of fractions by building on their intuitive knowledge of sharing and apportioning objects. Dr. Carpenter provides examples of student responses to challenging problems. A transcript of this recording is available in PDF format.
Video
This 22 slide interactive module provides details and examples to support the progression of the CCSS Fraction Standards for grades 1-8. Throughout the module are active links to the standards, a glossary, and examples and solutions.
Reference Materials, Voice Recording
Grade Level: 1, 2, 3, 4, 5, 6+
In this 4-minute video cake designer Amanda Schaffer discusses how she uses mathematics throughout her work, from planning through decorating. This career requires knowledge of measurement, proportion, geometry, and arithmetic.
Video
Grade Level: 3, 4, 5, 6+
This sequence of eight lessons from Illuminations provides an opportunity for students to represent patterns in different ways. Students solve problems; make, explain, and defend conjectures; make generalizations; and extend and clarify their knowledge. In Lesson 1 and 2 students recognize, sort, and identify rules for sorting. In Lesson 3 learners identify the core element or unit that is repeated. In Lesson 4 students create patterns and represent them using different forms: pattern blocks, actions, objects, pictures, letters and numbers. In Lesson 5 and 7 students use an Internet-based calculator that is linked with an interactive Hundreds Chart to create, extend, and record numerical patterns in different ways. In Lesson 6 students create patterns with movement and song. The last lesson, Lesson 8 is designed as a summative assessment of students understanding of patterns.
Activity, Lesson Plans, Unit of Instruction
This sample constructed response problem for grade 3-5 students provides an opportunity to analyze patterns and develop algebraic thinking in the context of a telephone chain. It includes suggestions for adjusting the challenge level and a task-specific rubric with annotated samples of student work at each level. Free registration allows users to download a 9-page print-friendly version (pdf).
Assessment, Activity
Resource is part of a PD collection