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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This unit of instruction intended for K-8 teachers explores the measures circumference and area of a circle. Learners are given interactive tasks that develop the concept of pi and the rationales for and the applications of the formulas. The unit ends with a practical problem set. Video instruction, hints, and solutions for the exercises are available. Teacher notes are provided.
Activity, Interactive Media, Unit of Instruction
In this data collection and analysis activity students investigate data in connection with recyclable materials and develop plans to help the environment. This activity requires students to keep track of their own paper use for a week, graph the data with a line graph and then interpret their results with a partner. The lesson includes student worksheets and extension suggestions.
Activity, Lesson Plans
In this blog entry Michelle Flaming describes what the implementation of MP 4 looks like in the classroom. She lists student actions, teacher actions, and open-ended questions that teachers can ask students to elicit the kind of reasoning called for in MP 4.
Instructional Strategy, Reference Materials, Community
Grade Level: K, 1, 2, 3, 4, 5
Resource is part of a PD collection
This financial literacy activity requires students to determine how to spend within a budget. The purpose of this task is to have students solve problems using all four operations and represent their solutions on a bar graph.
Activity
In this 4-minute video, educators can watch a teacher deliver a fourth grade lesson on using number sense, arrays, and simpler calculations to solve a more complex problem, called a cluster problem. Watch this teacher check for understanding of multiplicative distribution and the use of arrays.
Lesson Plans, Video
Resource is part of a PD collection
This 1-hour webcast introduces some key notions of numeracy coaching from the experiences of Ontario classroom teachers, principals, consultants, superintendents, and math education researchers. These educators share examples of effective instructional strategies in problem solving. Their professional development model involves co-teaching and inquiry; teams of educators consult with a classroom teacher prior to a lesson, observe the lesson, review the results, and plan next steps. The video can be streamed or downloaded as a podcast.
Instructional Strategy, Video
Grade Level: 1, 2, 3, 4, 5
This lesson develops number skills, understanding of coin values, and the concept of equivalence. Students use coin blocks, concrete representations of the value of coins (pennies, nickels, dimes, and quarters), to compose and decompose values up to a dollar. The resource includes a 3-minute video for teachers on how to build the coin blocks prior to the lesson. An interactive game, Coin Box, provides additional practice for students and is cataloged separately.
Activity, Interactive Media, Lesson Plans
Grade Level: Pre-K, K, 1, 2