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Exploring the Idea of Division

3rd Grade Math

» Unit:

Introduction to Basic Division

Big Idea:The cognitive dissonance experienced when encountering novel, out of level division problems will lead to more deeply internalized understanding of the basic concepts of division to be mastered at the 3rd grade level.

Designs with Nines: Patterns in Multiplication and Division (Day 2)

3rd Grade Math

» Unit:

Introduction to Basic Division

Big Idea:Repetition helps students build fluency with multiplication and division. The activities that contain the opportunities to practice their facts can be meaningful, creative, and open-ended.

Open Number Line - Decomposed Factors

3rd Grade Math

» Unit:

Multiplication

Big Idea:Open number lines are a model for mathematical thinking that can be used in multiplication and division, as well as addition and subtraction.

Open Number Lines - Just the Basics

3rd Grade Math

» Unit:

Multiplication

Big Idea:Open number lines are a model for mathematical thinking that can be used in multiplication and division, as well as addition and subtraction.

Quotients - Just the Basics

3rd Grade Math

» Unit:

Introduction to Basic Division

Big Idea:Just like multiplication, addition, and subtraction, division problems involve patterns and there are methodical ways in which manipulatives can be used to solve division problems with small dividends and divisors of 1 through 10.

It's As Basic As That

3rd Grade Math

» Unit:

Understanding Multiplication

Big Idea:Students need to master the basic operations. The common core suggests that all four operations are mastered by the end of third grade. This lesson will help determine where to start and what to do next.

The Multiplication and Division Connection

3rd Grade Math

» Unit:

Sharing Equally with Division

Big Idea:Students can solve multiplication and division problems quickly by recognizing the relationship between the two operations.

Big Groups and Big Products

3rd Grade Math

» Unit:

2-Digit by 1-Digit Multiplication

Big Idea:Big groups and big products can be broken apart into smaller groups of tens and ones to make it easier to multiply and find the product

Creating Word Problems With Division

3rd Grade Math

» Unit:

Sharing Equally with Division

Big Idea:Writing in math develops problem solving skills because, as a writer, the student must organize and describe their mathematical thinking.

Building A Division Model

3rd Grade Math

» Unit:

Sharing Equally with Division

Big Idea:Division involves sharing things equally, grouping and measuring and we can use models to solve problems

Division Models to Solve Problems

3rd Grade Math

» Unit:

Sharing Equally with Division

Big Idea:Word problems involving division can be solved using models.

Jeopardy Review

3rd Grade Math

» Unit:

More Problem Solving Practice

Big Idea:Games make problem solving fun and exciting.

Discovering Relationships: Multiplication & Division (1 of 2)

3rd Grade Math

» Unit:

The Relationship Between Multiplication and Division

Big Idea:Fact families include the same amount of total objects but the groups and number in each group can be manipulated.

Using the Multiplication and Division Relationship to Solve

3rd Grade Math

» Unit:

Sharing Equally with Division

Big Idea:Students can solve multiplication and division problems quickly by recognizing the relationship between the two operations.

Multiplying by 9

3rd Grade Math

» Unit:

Fluency to Automoticity

Big Idea:Children will explore the multiples of 9, use patterns in the multiplication equations, and learn a finger trick to become more fluent in quickly multiplying using 9.

3.OA.C.7

Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division (e.g., knowing that 8 × 5 = 40, one knows 40 ÷ 5 = 8) or properties of operations. By the end of Grade 3, know from memory all products of two one-digit numbers.