3rd Grade Math
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Number Sense
Introduction Page
Preview
Place value
Writing numbers in expanded form
Writing numbers in word form
Rounding numbers
Comparing numbers
6 lessons, 5 quizzes
Addition and subtraction
Addition with number lines
Addition of Multi-Digit Numbers
Subtraction using number lines
Subtraction of Multi-digit Numbers
4 lessons, 2 quizzes
Multiplication
Multiplication is repeated addition
Multiplying with arrays
Multiplication terms
Multiplication tables
Multiplying multiples of 10
Square numbers
6 lessons
Division
Dividing with arrays
Division terms
Dividing multiples of 10
Understanding Divisibility Rules
4 lessons
Properties and mixed operations
The Commutative Property: A Magical Trick in Math
Associative Property
The distributive property
The identity property
Fact families
5 lessons
Fractions
Fractions overview
Understanding fractions
Fraction area models
Fractions on a number line
Fractions of a set
Equivalent fractions
Comparing fractions
7 lessons
Geometry
Types of quadrilaterals
Parallelograms
Rhombuses
Rectangles
Squares
Trapezoids
Kites
Regular polygons
Perimeter
Area of rectangles
Area of compound shapes
11 lessons
Data and measurement
Line plots
How to tell time
Elapsed time
Metric units of measurement
Customary units of measurement
5 lessons
Data and measurement
How to tell time
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