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Gr. 3 Unit: Multiply & Divide Within 100

Unit Overview

The focus of this unit is for students to develop fluency in multiplying and dividing within 100. This unit builds on the foundation of multiplication that was developed in grade 2 through working with equal groups and rectangular arrays. Students will spend time concentrating on understanding the meaning and properties of multiplication and division, and on finding products of single-digit multiplying and related quotients. To support fluency, students are expected to know from memory all products of two one-digit numbers by the end of grade 3. These skills and understandings are crucial; students will rely on them for years to come as they learn to multiply and divide with multi-digit whole numbers and to eventually add, subtract, multiply, and divide with fractions and decimals. The route to this successful learning is not the rote drill and worksheet focus but rather a varied approach that includes, hands-on activities, games, paper and pencil activities, and real-life application and problem solving.

Essential Questions:

  • Why do I need mathematical operations?
  • How do mathematical operations relate to each other?
  • What do I know from the information shared in the problem? What do I need to find?
  • How do I know which computational method (mental math, estimation, paper and pencil, and calculator) to use?
  • How do you solve problems using multiplication or division in real world situations?
  • How can you decide that your calculation is reasonable?

A question is essential when it stimulates multi-layered inquiry, provokes deep thought and lively discussion, requires students to consider alternatives and justify their reasoning, encourges re-thinking of big ideas, makes meaningful connections with prior learning, and provides students with opportunities to apply problem-solving skills to authentic situations.

Unit Lesson

Additional information such as Teachers Notes, Enduring Understandings,Content Emphasis by Cluster, Focus Standards, Possible Student Outcomes, Essential Skills and Knowledge Statements and Clarifications, and Interdisciplinary Connections can be found in this Lesson Unit.

Available Model Lesson Plans

The lesson plan(s) have been written with specific standards in mind. Each model lesson plan is only a MODEL - one way the lesson could be developed. We have NOT included any references to the timing associated with delivering this model. Each teacher will need to make decisions related ot the timing of the lesson plan based on the learning needs of students in the class. The model lesson plans are designed to generate evidence of student understanding.

This chart indicates one or more lesson plans which have been developed for this unit. Lesson plans are being written and posted on the Curriculum Management System as they are completed. Please check back periodically for additional postings.

CCSC Alignment: 3.OA.C.7

Students work with hands-on activities, the hundreds chart, and games to build their fluency when multiplying by 2.

Available Model Lesson Seeds

The lesson seed(s) have been written with specific standards in mind. These suggested activity/activities are not intended to be prescriptive, exhaustive, or sequential; they simply demonstrate how specific content can be used to help students learn the skills described in the standards. Seeds are designed to give teachers ideas for developing their own activities in order to generate evidence of student understanding.

This chart indicates one or more lesson seeds which have been developed for this unit. Lesson seeds are being written and posted on the Curriculum Management System as they are completed. Please check back periodically for additional postings.

CCSC Alignnment: 3.OA.C.7

Students work to develop fluency with multiples of numbers 3 through 9.

CCSC Alignnment: 3.OA.C.7

Students use triangular flashcards to further their development of fluency in multiplication and division.