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Sharing and Grouping Up to 999: Two Models of Division

TX.3.2.A

Place Value Tables of Multi-Digits

Place Value Tables — Multi-Digit

Expanded Form of Multi-Digits

Place Values in Expanded Form — Up to 10K

Place Values in Expanded Form — Up to 999

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Regrouping Place Values of Multi-Digits

Place Values Regrouping — Up to 999

TX.3.2.B

Identifying the Place Value of a Digit

Place Value of a Digit — Multi-Digits

Converting Between Place Values of Multi-Digits

Conversions To and From — Up to 9999

Reading and Writing Digits

Reading and Writing Digits — Up to 20

Reading and Writing Digits — Up to 99

TX.3.2.C

Subtraction using Estimation

Subtract By Estimation — Up to 1000

Place Value Models of Multi-Digits

TX.3.2.D

Comparing Values of Multi-Digits

Place Value Comparing Numbers — Up to 999

TX.3.3.A

Introduction to Fractions

Fractions - Region, Sets & Linear Models

Fractions - Pictorial Representations

TX.3.3.B

Fractions - Number Lines

TX.3.3.C

Fractions - Equal Partition

TX.3.3.E

Fractions - Word Problems

TX.3.3.F

Equivalent fractions

Equivalent Fractions

TX.3.3.H

Comparing and Ordering Fractions

Comparing Fractions

Ordering Fractions

TX.3.4.A

Addition Word Problems Up to 1000

Addition Word Problems — Up to 1000

Addition Word Problems — Up to 200

Subtraction Word Problems Up to 1000

Subtraction Word Problems — Up to 1000

TX.3.4.B

Addition using Estimation

Add By Estimation — Up to 1000

TX.3.4.C

Recognizing coins and bills

Name the Coin by Picture

Name the Coin by Value

Coin Values by Name

Understanding value of coins and bills

Simple transactions

TX.3.4.D

Arrays Up to 999

TX.3.4.E

Using Models to Multiply Up to 999

Multiplication by Models — Up to 3 Digits

Repeated Addition As Multiplication Up to 999

Multiplication by Repeated Addition — Up to 999

Counting Equal Groups Up to 999

Multiplying by Skip Counting Up to 999

TX.3.4.F

Times Tables

Multiplication Times Table — Up to 2 Digits

Relating Multiplication with Division Up to 999

Relating Multiplication with Division

Division Tables Up to 999

Division Tables — Up to 100

Division Tables — Up to 200

TX.3.4.G

Multiplying using Mental Strategies

Split into Smaller Calculations Strategy — Up to 999

Multiplication Properties

Multiplying with Digits Up to 999

Multiplication by Digits — Up to 3 Digits

TX.3.4.H

Sharing & Grouping Up to 999

Sharing and Partitioning — Up to 3 Digits

Using Models to Divide

TX.3.4.I

Even and odd numbers

Recognizing Even Numbers

Recognizing Odd Numbers

TX.3.4.K

Multiplication Word Problems Up to 999

multiplication word problems up to 999

Division Word Problems Up to 999

Division Word Problems — Up to 3 Digits

TX.3.5.A

Adding by Jumping Up to 1000

Using Models to Add Up to 1000

Subtracting by Jumping Up to 1000

TX.3.5.B

Dividing with Arrays

Dividing with Arrays — Up to 100

TX.3.5.D

Identifying the Missing Digits (Addition)

Fill in the Blank — Up to 1000

Identifying the Missing Digits (Subtraction)

Dividing with Digits Up to 999

Division By Digits — Up to 3 Digits

TX.3.5.E

Showing patterns in T-tables

Patterns in T-tables Next 2 Patterns

Patterns in T-tables Ascending

T-table Patterns Ascending – Word Problem

T-table Patterns Descending – Word Problem

Patterns in T-tables Next 2 patterns

TX.3.6.A

Introduction to 2D shapes

Sides and corners of 2D shapes

3D shapes

Attributes of 3D shapes

Comparing 2D and 3D shapes

TX.3.6.B

Polygons and non-polygons

TX.3.6.C

Area - unit squares and pattern blocks

Area by Unit Squares

Square measure

Converting Square Units

Calculate the Square Area

Calculating and Estimating Area and Perimeter

TX.3.7.B

Perimeter: Grid squares and polygons

Perimeter of Polygons

Perimeter Equation of Polygons

TX.3.7.C

Calculating elapsed time

TX.3.7.D

Measuring weight

Measuring capacity

Comparing weight and capacity

Estimating weight and capacity

TX.3.8.A

Collecting data

Bar graphs

Pictographs

TX.3.8.B

Analyzing data word problems

TX.3.9.A

Comparative language

Assignments

Challenge Zone

Foundation Review

3rd Grade Math

Algebraic Reasoning

Data Analysis

Geometry and Measurement

Number and Operations

Personal Financial Literacy

math

Intro: Sharing And Grouping Up To 999

Introduction to division as equal sharing and grouping

This lesson explores the two everyday meanings of division for numbers up to 999: sharing a total equally among a known number of groups, and grouping a total into sets of a known size. Students compare both models, connect them to multiplication facts, and practice choosing the right approach for a word problem.

Sharing and Grouping Up to 999 | StudyPug

Distinguish the sharing model of division from the grouping model using the same total quantity
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Solve equal-sharing problems where the number of groups is known but the size of each group is not
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Solve equal-grouping problems where the group size is known but the number of groups is not
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Apply the division statement \( a \div b = c \) to describe both sharing and grouping situations
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Connect division facts up to 999 back to related multiplication facts such as \( b \times c = a \)
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Choose the correct model, sharing or grouping, based on what a word problem is asking for

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Overview

Sharing and Grouping Up to 999

What You'll Practice

Dividing quantities of objects evenly among groups

Partitioning numbers up to three digits into equal shares

Solving visual sharing problems with concrete items

Why This Matters

This Unit Includes

1 Video lesson

Practice exercises

Learning resources

Skills

Division

Equal Sharing

Partitioning

Number Sense

Fair Distribution