3rd grade Math
Categories: Mathematics, Sciences
Course Content
Intro to multiplication
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Multiplication as equal groups
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Equal groups
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Introduction to multiplication
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Multiplication as repeated addition
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Multiplication on the number line
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Multiplication on the number line
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Multiplication as groups of objects
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Multiplication as equal groups
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More ways to multiply
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Multiplication with arrays
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Multiplication with arrays
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Multiplication in contexts
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Multiplication in real world contexts
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Commutative property of multiplication
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Commutative property of multiplication
1-digit multiplication
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Distributive property
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Distributive property when multiplying
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Properties and patterns for multiplication
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Rounding to nearest 10 or 100
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Rounding to the nearest 10 on the number line
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Rounding to the nearest 100 on the number line
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Rounding to nearest 10 and 100
Addition, subtraction, and estimation
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Estimate to add multi-digit numbers
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Estimating when adding multi-digit numbers
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Strategies for adding two and three-digit numbers
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Breaking apart 3-digit addition problems
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Addition using groups of 10 and 100
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Adding and subtracting on number line
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Adding with regrouping within 1000
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Using place value to add 3-digit numbers: part 1
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Using place value to add 3-digit numbers: part 2
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Adding 3-digit numbers
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Estimate to subtract multi-digit numbers
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Estimating when subtracting large numbers
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Strategies for subtracting two and three-digit numbers
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Subtraction by breaking apart
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Adding and subtracting on number line
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Methods for subtracting 3-digit numbers
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Subtracting with regrouping within 1000
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Worked example: Subtracting 3-digit numbers (regrouping)
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Subtracting 3-digit numbers (regrouping)
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Worked example: Subtracting 3-digit numbers (regrouping twice)
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Worked example: Subtracting 3-digit numbers (regrouping from 0)
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Addition and subtraction missing value problems
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Missing number for 3-digit addition within 1000
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Missing number for 3-digit subtraction within 1000
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Addition and subtraction word problems
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Three digit addition word problems
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Three digit subtraction word problems
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Division intro
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Division as equal groups
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Visualizing division with arrays
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Division in context
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Division in contexts
Intro to division
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Relating multiplication and division
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Relating division to multiplication
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Multiplication word problem: parking lot
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Division word problem: school building
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Fractions intro
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Intro to fractions
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Cutting shapes into equal parts
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Identifying unit fractions word problem
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Fractions in contexts
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Fractions in contexts
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What fractions mean
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Identifying numerators and denominators
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Recognize fractions
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Recognizing fractions greater than 1
Understand fractions
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Fractions on the number line
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Relating number lines to fraction bars
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Fractions on a number line
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Fractions on number line widget
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Finding 1 on the number line
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Fractions greater than 1 on the number line
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Fractions and whole numbers
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Representing 1 as a fraction
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Relating fractions to 1
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Whole numbers as fractions
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Writing whole numbers as fractions
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Comparing fractions
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Comparing fractions with > and < symbols
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Comparing fractions visually
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Comparing fractions with the same denominator
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Comparing unit fractions
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Comparing fractions with the same numerator
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Comparing fractions of different wholes
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Comparing fractions of different wholes 1
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Comparing fractions of different wholes
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Equivalent fractions
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Equivalent fractions with visuals
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Equivalent fraction models
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Equivalent fraction visually
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Creating equivalent fractions
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Letters and symbols in multiplication and division equations
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Unknowns with multiplication and division
Equivalent fractions and comparing fractions
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Multiplication and division word problems
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Multiplication word problem: soda party
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Division word problem: blueberries
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Associative property of multiplication
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Associative property of multiplication
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Properties of multiplication
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Using associative property to simplify multiplication
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Multiplying by tens
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Multiplying by multiples of 10
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Multiplying by tens word problem
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2-step expressions
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Order of operations (2-step expressions)
More with multiplication and division
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Estimation word problems
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2-step estimation word problems
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One and two-step word problems
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Setting up 2-step word problems
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2-step word problem: truffles
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2-step word problem: running
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2-step word problem: theater
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Patterns in arithmetic
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Finding patterns in numbers
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Recognizing number patterns
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Intro to even and odd numbers
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Patterns with multiplying even and odd numbers
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Patterns in hundreds chart
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Patterns in multiplication tables
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Quadrilaterals
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Intro to quadrilaterals
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Count unit squares to find area
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Intro to area and unit squares
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Measuring rectangles with different unit squares
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Creating rectangles with a given area 1
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Creating rectangles with a given area 2
Arithmetic patterns and problem solving
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Area formula intuition
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Counting unit squares to find area formula
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Transitioning from unit squares to area formula
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Multiply to find area
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Counting unit squares to find area formula
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Finding missing side when given area
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Comparing areas of plots of land
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Area and the distributive property
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Area and the distributive property
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Decompose figures to find area
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Decomposing shapes to find area: grids
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Decomposing shapes to find area: add
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Decomposing shapes to find area: subtract
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Area word problem: house size
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Perimeter
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Perimeter: introduction
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Perimeter of a shape
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Finding perimeter when a side length is missing
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Finding missing side length when given perimeter
Quadrilaterals
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Perimeter word problems
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Perimeter word problem: tables
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Perimeter word problem: skating rink
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Comparing area and perimeter
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Comparing areas and perimeters of rectangles
Area
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Time on number line
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Telling time with number line
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Telling time
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Telling time to the nearest minute (labeled clock)
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Telling time to the nearest minute (unlabeled clock)
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Elapsed time
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Time differences example
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Time word problem: travel time
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Time word problem: puzzle
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Mass
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Understanding mass (grams and kilograms)
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Word problems with mass
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Volume
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Understanding volume (liters)
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Word problems with volume
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Picture graphs
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Creating picture and bar graphs
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Solving problems with picture graphs
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Interpreting picture graphs: paint
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Interpreting picture graphs: notebook
Perimeter
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Bar graphs
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Creating picture and bar graphs
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Reading bar graphs: movies
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Interpreting bar graphs: colors
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Line plots with fractions
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Graphing data on line plots
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Read line plots
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