3rd grade Math
Categories: Mathematics, Sciences
Course Content
Intro to multiplication

Multiplication as equal groups

Equal groups

Introduction to multiplication

Multiplication as repeated addition

Multiplication on the number line

Multiplication on the number line

Multiplication as groups of objects

Multiplication as equal groups

More ways to multiply

Multiplication with arrays

Multiplication with arrays

Multiplication in contexts

Multiplication in real world contexts

Commutative property of multiplication

Commutative property of multiplication
1digit multiplication

Distributive property

Distributive property when multiplying

Properties and patterns for multiplication

Rounding to nearest 10 or 100

Rounding to the nearest 10 on the number line

Rounding to the nearest 100 on the number line

Rounding to nearest 10 and 100
Addition, subtraction, and estimation

Estimate to add multidigit numbers

Estimating when adding multidigit numbers

Strategies for adding two and threedigit numbers

Breaking apart 3digit addition problems

Addition using groups of 10 and 100

Adding and subtracting on number line

Adding with regrouping within 1000

Using place value to add 3digit numbers: part 1

Using place value to add 3digit numbers: part 2

Adding 3digit numbers

Estimate to subtract multidigit numbers

Estimating when subtracting large numbers

Strategies for subtracting two and threedigit numbers

Subtraction by breaking apart

Adding and subtracting on number line

Methods for subtracting 3digit numbers

Subtracting with regrouping within 1000

Worked example: Subtracting 3digit numbers (regrouping)

Subtracting 3digit numbers (regrouping)

Worked example: Subtracting 3digit numbers (regrouping twice)

Worked example: Subtracting 3digit numbers (regrouping from 0)

Addition and subtraction missing value problems

Missing number for 3digit addition within 1000

Missing number for 3digit subtraction within 1000

Addition and subtraction word problems

Three digit addition word problems

Three digit subtraction word problems

Division intro

Division as equal groups

Visualizing division with arrays

Division in context

Division in contexts
Intro to division

Relating multiplication and division

Relating division to multiplication

Multiplication word problem: parking lot

Division word problem: school building

Fractions intro

Intro to fractions

Cutting shapes into equal parts

Identifying unit fractions word problem

Fractions in contexts

Fractions in contexts

What fractions mean

Identifying numerators and denominators

Recognize fractions

Recognizing fractions greater than 1
Understand fractions

Fractions on the number line

Relating number lines to fraction bars

Fractions on a number line

Fractions on number line widget

Finding 1 on the number line

Fractions greater than 1 on the number line

Fractions and whole numbers

Representing 1 as a fraction

Relating fractions to 1

Whole numbers as fractions

Writing whole numbers as fractions

Comparing fractions

Comparing fractions with > and < symbols

Comparing fractions visually

Comparing fractions with the same denominator

Comparing unit fractions

Comparing fractions with the same numerator

Comparing fractions of different wholes

Comparing fractions of different wholes 1

Comparing fractions of different wholes

Equivalent fractions

Equivalent fractions with visuals

Equivalent fraction models

Equivalent fraction visually

Creating equivalent fractions

Letters and symbols in multiplication and division equations

Unknowns with multiplication and division
Equivalent fractions and comparing fractions

Multiplication and division word problems

Multiplication word problem: soda party

Division word problem: blueberries

Associative property of multiplication

Associative property of multiplication

Properties of multiplication

Using associative property to simplify multiplication

Multiplying by tens

Multiplying by multiples of 10

Multiplying by tens word problem

2step expressions

Order of operations (2step expressions)
More with multiplication and division

Estimation word problems

2step estimation word problems

One and twostep word problems

Setting up 2step word problems

2step word problem: truffles

2step word problem: running

2step word problem: theater

Patterns in arithmetic

Finding patterns in numbers

Recognizing number patterns

Intro to even and odd numbers

Patterns with multiplying even and odd numbers

Patterns in hundreds chart

Patterns in multiplication tables

Quadrilaterals

Intro to quadrilaterals

Count unit squares to find area

Intro to area and unit squares

Measuring rectangles with different unit squares

Creating rectangles with a given area 1

Creating rectangles with a given area 2
Arithmetic patterns and problem solving

Area formula intuition

Counting unit squares to find area formula

Transitioning from unit squares to area formula

Multiply to find area

Counting unit squares to find area formula

Finding missing side when given area

Comparing areas of plots of land

Area and the distributive property

Area and the distributive property

Decompose figures to find area

Decomposing shapes to find area: grids

Decomposing shapes to find area: add

Decomposing shapes to find area: subtract

Area word problem: house size

Perimeter

Perimeter: introduction

Perimeter of a shape

Finding perimeter when a side length is missing

Finding missing side length when given perimeter
Quadrilaterals

Perimeter word problems

Perimeter word problem: tables

Perimeter word problem: skating rink

Comparing area and perimeter

Comparing areas and perimeters of rectangles
Area

Time on number line

Telling time with number line

Telling time

Telling time to the nearest minute (labeled clock)

Telling time to the nearest minute (unlabeled clock)

Elapsed time

Time differences example

Time word problem: travel time

Time word problem: puzzle

Mass

Understanding mass (grams and kilograms)

Word problems with mass

Volume

Understanding volume (liters)

Word problems with volume

Picture graphs

Creating picture and bar graphs

Solving problems with picture graphs

Interpreting picture graphs: paint

Interpreting picture graphs: notebook
Perimeter

Bar graphs

Creating picture and bar graphs

Reading bar graphs: movies

Interpreting bar graphs: colors

Line plots with fractions

Graphing data on line plots

Read line plots
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