## Common Core State Standards for Mathematics

Grade(s) 3 resources related to the following standard:
Operations and Algebraic Thinking
Represent and solve problems involving multiplication and division.
3. Use multiplication and division within 100 to solve word problems in situations involving equal groups, arrays, and measurement quantities, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.

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This 60-page pdf document demonstrates the connections between the CCSS content standards and the mathematical practice standards. It is a compilation of research, standards from several states, instructional strategies, common misconceptions, and examples for each standard at the grade 3 level. It is intended to help teachers understand what each standard means in terms of what students must know and be able to do. Additional flip books are cataloged separately for grades K-2 and 4-5.
Instructional Strategy, Reference Materials
This web page provides links to resources aligned to the CCSS that guide and support third grade mathematics teaching and learning. Tasks developed by the Mathematics Assessment Resource Service (MARS) and Problems of the Month, (POM home page is cataloged separately) developed by the Noyce Foundation are included. The tasks were designed to measure students’ ability to solve non-routine problems, explain and justify their solutions, and promote high level thinking skills. They include the scoring rubric, student responses, and discussion of student understanding and misconceptions. Resources are listed for specific grade 3 standards and are also organized by progression for an alternate search route.
Instructional Strategy, Problem Set, Reference Materials
This unit consists of four lessons in which students explore several meanings and representations of multiplication, including number lines, sets, arrays, and balance beams. They also learn about the commutative property of multiplication, the results of multiplying by 1 and by 0, and the inverse property of multiplication. Students write story problems and create pictographs. The unit includes activity sheets, assessment ideas, links to related applets, reflective questions for students and teachers, extensions and a bibliography of children's literature with a multiplication focus.
Activity, Instructional Strategy, Lesson Plans, Unit of Instruction
This 3 lesson instructional unit helps students investigate many different aspects of triangles including basic properties of triangles, building other shapes from triangles, the dependence of the third side length on the other two (Triangle Inequality Theorem), and the Sierpinski Triangle fractal. The lesson includes student activity sheets and links to interactive applets.
Activity, Interactive Media, Lesson Plans
This page from the Math Forum blog of Suzanne Alejandre links to a one-minute video during which Max Ray acts out the "Charlie's Gumball" Problem of the Week. The page includes links to PDFs of the scenario, the PoW Packet with the solution and teaching suggestions, a scoring rubric and the "Notice/Wonder" strategy handout that can be used to introduce the problem.
Assessment, Activity, Instructional Strategy, Instructor Guide/Manual, Community, Video
Grade Level: 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
This unit contains two lessons which help students develop number sense through activities involving collection, representation, and analysis of data. Students also practice reading and writing large numbers and develop estimation skills. In Lesson 1, Every Breath You Take, students estimate the number of breaths taken during a specified time, experiment, and display real-life data. In Lesson 2, Making Your First Millions, students develop the concept of a million by working with smaller numerical units, such as blocks of 10 or 100, and then expanding the idea by multiplication or repeated addition. They analyze situations and identify patterns that will enable them to develop the concept of large numbers. Each lesson includes student activity sheets, an instructional plan, and extensions.
Activity, Experiment/Lab Activity, Lesson Plans, Unit of Instruction
Grade Level: 3, 4, 5, 6+