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Dividing with Arrays: Equal Rows and Columns Method

Say the number sequence forward and backward from 0 to 1000

Using counting to add digits up to 100

Using number line to add up to 100

Subtracting by jumping up to 100

Multiplying by skip counting up to 99

Multiplying by Skip Counting Up to 999

Skip counting by 2s, 5s, and 10s

Apply mental mathematics strategies and number properties

Adding with Doubles Up to 1000

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Simplifying Addition by Making 10s

Addition with Tens and Ones

Addition Facts Up to 1000

Identifying the Missing Digits (Subtraction)

Subtraction Tables Up to 1000

Multiplication Properties

Demonstrate an understanding of multiplication to 5 x 5

Number Patterns with Subtraction Rules

Subtraction Word Problems Up to 1000

Times Tables

Using Models to Multiply Up to 999

Multiplying using Mental Strategies

Repeated Addition As Multiplication Up to 999

Counting Equal Groups Up to 999

Arrays Up to 999

Demonstrate an understanding of division

Sharing & Grouping Up to 999

Dividing with Arrays

Remainders from Division Up to 999

Division Statements Up to 999

Dividing with Digits Up to 999

Relating Multiplication with Division Up to 999

Using Skip Counting to Divide

Demonstrate an understanding of fractions

Introduction to Fractions

Fractions - Region, Sets & Linear Models

Fractions - Pictorial Representations

Fractions - Equal Partition

Fractions - Number Lines

Represent and describe numbers to 1000

Identifying the Place Value of a Digit

Expanded Form of Multi-Digits

Converting Between Place Values of Multi-Digits

Reading and Writing Digits

Place Value Models of Multi-Digits

Compare and order numbers to 1000

Addition Tables Up to 1000

Comparing Values of Multi-Digits

Estimate quantities less than 1000 using referents

Addition using Estimation

Identifying the Missing Digits (Addition)

Number Patterns with Adding Rules

Subtraction using Estimation

Illustrate the meaning of place value for numerals to 1000

Addition Word Problems Up to 1000

Place Value Tables of Multi-Digits

Regrouping Place Values of Multi-Digits

Describe and apply mental mathematics strategies for adding two 2-digit numerals

Addition using Mental Strategies

Simplifying Addition by Separating

Adding by Jumping Up to 1000

Describe and apply mental mathematics strategies for subtracting two 2-digit numerals

Subtraction using Mental Strategies

Subtraction with Tens and Ones

Subtracting by Jumping Up to 1000

Demonstrate understanding of addition and subtraction of numbers with answers to 1000

Adding with Digits Up to 1000

Addition with Regrouping Up to 1000

Using Models to Add Up to 1000

Subtracting with Digits Up to 1000

Subtraction with Regrouping Up to 1000

Demonstrate understanding of increasing patterns

Growing patterns

Identifying patterns

Translating patterns

Extending patterns

Creating patterns

Patterns with objects

Solve one-step addition and subtraction equations involving symbols

Introduction to solving equations with Variables

Introduction to solving patterns in T-tables and equations

Collect first-hand data and organize it

Collecting data

Bar graphs

Pictographs

Construct, label and interpret bar graphs to solve problems

Square Numbers

Analyzing data word problems

Relate the passage of time to common activities

Reading and writing time

Understanding AM and PM

Calculating elapsed time

Relate the number of seconds to a minute, minutes to an hour, days to a month

Number Patterns with Multiplication Rules

Demonstrate understanding of measuring length cm, m

Converting Products to a Smaller Product & Sum

Multiplying with Digits Up to 999

Comparing lengths

Estimating lengths

Adding and subtracting lengths

Measuring lengths using a ruler

Demonstrate understanding of measuring mass g, kg

Measuring weight

Comparing weight and capacity

Estimating weight and capacity

Describe 3-D objects

3D shapes

Attributes of 3D shapes

Comparing 2D and 3D shapes

Sort regular and irregular polygons

Introduction to 2D shapes

Polygons and non-polygons

Sides and corners of 2D shapes

Assignments

Challenge Zone

Foundation Review

Grade 3 Math

Number

Patterns & Relations

Statistics and Probability

Shape and Space

math

Intro: Dividing With Arrays

Using arrays to understand and write division expressions

This lesson shows how to divide using arrays, a visual method that arranges a total into equal rows and columns. Students build an array, count rows or columns to find the missing number, and connect the picture to a division statement.

Dividing with Arrays | StudyPug

Dividing with Arrays — Up to 100

Build an array by arranging a total amount of objects into equal rows and equal columns
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Count the number of rows or columns to find the missing factor in a division problem
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Connect an array picture to a division statement such as \( 12 \div 3 = 4 \)
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Recognize that an array is just a multiplication fact viewed the opposite way, since \( 3 \times 4 = 12 \)
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Check an answer by multiplying the rows by the columns to confirm the array matches the total

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Topic Progress

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Overview

Dividing with Arrays

What You'll Practice

Analyzing array diagrams to write division expressions

Counting rows in arrays to solve division problems

Working with numbers up to 100 in array models

Why This Matters

This Unit Includes

1 Video lesson

Practice exercises

Learning resources

Skills

Division

Arrays

Equal Groups

Visual Models

Division Expressions