📚
Week 1: Place value
6 lessons•~30 mins
Skills and concepts for Place value.
K-5 friendly path
Fourth Grade Math
Multi-digit operations, fractions, and decimals. Master fourth-grade math one topic at a time. Bright visuals, short wins, and simple next steps are front and center here.
Adventure map
Start with one short lesson and build confidence.
Learning Adventures
✨
Week 2: Comparing and rounding
6 lessons•~30 mins
Skills and concepts for Comparing and rounding.
🚀
Week 3: Addition and subtraction
6 lessons•~30 mins
Skills and concepts for Addition and subtraction.
🎯
Week 4: Addition and subtraction
6 lessons•~30 mins
Skills and concepts for Addition and subtraction.
🧩
Week 5: Multiplication
7 lessons•~35 mins
Skills and concepts for Multiplication.
🧪
Week 6: Multiply by 1-digit numbers
6 lessons•~30 mins
Skills and concepts for Multiply by 1-digit numbers.
🔍
Week 7: Multiply by 1-digit numbers
4 lessons•~20 mins
Skills and concepts for Multiply by 1-digit numbers.
💡
Week 8: Multiply by 2-digit numbers
7 lessons•~35 mins
Skills and concepts for Multiply by 2-digit numbers.
🏆
Week 9: Factors and multiples
7 lessons•~35 mins
Skills and concepts for Factors and multiples.
⭐
Week 10: Number patterns
6 lessons•~30 mins
Skills and concepts for Number patterns.
📚
Week 11: Number and shape patterns
5 lessons•~25 mins
Skills and concepts for Number and shape patterns.
✨
Week 12: Divide by 1-digit numbers
7 lessons•~35 mins
Skills and concepts for Divide by 1-digit numbers.
🚀
Week 13: Divide by 1-digit numbers
6 lessons•~30 mins
Skills and concepts for Divide by 1-digit numbers.
🎯
Week 14: Division word problems
6 lessons•~30 mins
Skills and concepts for Division word problems.
🧩
Week 15: Mixed operations
5 lessons•~25 mins
Skills and concepts for Mixed operations.
🧪
Week 16: Perimeter and area
8 lessons•~40 mins
Skills and concepts for Perimeter and area.
🔍
Week 17: Equivalent fractions
7 lessons•~35 mins
Skills and concepts for Equivalent fractions.
💡
Week 18: Compare fractions
6 lessons•~30 mins
Skills and concepts for Compare fractions.
🏆
Week 19: Add and subtract fractions
8 lessons•~40 mins
Skills and concepts for Add and subtract fractions.
⭐
Week 20: Add and subtract fractions
6 lessons•~30 mins
Skills and concepts for Add and subtract fractions.
📚
Week 21: Add and subtract mixed numbers
6 lessons•~30 mins
Skills and concepts for Add and subtract mixed numbers.
✨
Week 22: Data and measurement
6 lessons•~30 mins
Skills and concepts for Data and measurement.
🚀
Week 23: Multiply fractions
6 lessons•~30 mins
Skills and concepts for Multiply fractions.
🎯
Week 24: Multiply fractions and mixed numbers
5 lessons•~25 mins
Skills and concepts for Multiply fractions and mixed numbers.
🧩
Week 25: Measurement
6 lessons•~30 mins
Skills and concepts for Measurement.
🧪
Week 26: Measurement
7 lessons•~35 mins
Skills and concepts for Measurement.
🔍
Week 27: Fractions and decimals
7 lessons•~35 mins
Skills and concepts for Fractions and decimals.
💡
Week 28: Decimals and money
5 lessons•~25 mins
Skills and concepts for Decimals and money.
🏆
Week 29: Add and subtract decimals
7 lessons•~35 mins
Skills and concepts for Add and subtract decimals.
⭐
Week 30: Lines and angles
7 lessons•~35 mins
Skills and concepts for Lines and angles.
📚
Week 31: Angles and polygons
7 lessons•~35 mins
Skills and concepts for Angles and polygons.
✨
Week 32: Triangles and quadrilaterals
8 lessons•~40 mins
Skills and concepts for Triangles and quadrilaterals.
All Lessons (202)
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Place value names
Understanding place value helps you read and write huge numbers! Every digit in a number has a special "place" that tells you its value. In fourth grade, we work with numbers up to the millions!
Value of a digit
A digit is like an actor: its value changes depending on the place it stands in. The same digit can mean 7, 70, 700, or 7,000!
Relationship between place values
Master the concepts of Relationship between place values.
Convert between place values
Master the concepts of Convert between place values.
Convert between standard and expanded form
Master the concepts of Convert between standard and expanded form.
Writing numbers up to one million: convert between words and digits
Master the concepts of Writing numbers up to one million: convert between words and digits.
Compare numbers up to one million
When numbers are huge, compare from left to right. The first place where digits differ tells you which number is greater.
Compare numbers in tables
Master the concepts of Compare numbers in tables.
Order numbers up to one million
Master the concepts of Order numbers up to one million.
Rounding: up to hundred thousands place
Rounding big numbers makes them easier to think about! 🧠 Whether it's the population of a city or the price of a car, rounding gives you a 'close enough' number that's simpler to use.
Round a number to any place: up to hundred thousands
Master the concepts of Round a number to any place: up to hundred thousands.
Rounding puzzles
Welcome to Rounding Escape Room. Use clues to figure out mystery numbers by thinking backward from rounded results.
Add two multi-digit numbers
Master the concepts of Add two multi-digit numbers.
Add two multi-digit numbers: word problems
Master the concepts of Add two multi-digit numbers: word problems.
Subtract two multi-digit numbers
Master the concepts of Subtract two multi-digit numbers.
Subtract two multi-digit numbers: word problems
Master the concepts of Subtract two multi-digit numbers: word problems.
Comparison word problems with addition and subtraction
Master the concepts of Comparison word problems with addition and subtraction.
Find two numbers based on sum and difference
Master the concepts of Find two numbers based on sum and difference.
Estimate sums
Master the concepts of Estimate sums.
Estimate sums: word problems
Master the concepts of Estimate sums: word problems.
Estimate differences
Master the concepts of Estimate differences.
Estimate differences: word problems
Master the concepts of Estimate differences: word problems.
Multi-step addition and subtraction word problems
Big story problems become easy when you break them into steps. Solve one bite-size piece at a time.
Use equations to solve multi-step addition and subtraction word problems
Master the concepts of Use equations to solve multi-step addition and subtraction word problems.
Multiplication facts to 10
Master the concepts of Multiplication facts to 10.
Compare numbers using multiplication
Master the concepts of Compare numbers using multiplication.
Compare numbers using multiplication: word problems
Master the concepts of Compare numbers using multiplication: word problems.
Comparison word problems: addition or multiplication?
Master the concepts of Comparison word problems: addition or multiplication?.
Multiply by multiples of 10, 100, and 1,000
Multiplying by numbers like 10, 100, and 1,000 is a superpower! It's all about adding zeros. This simple trick makes multiplying big numbers a piece of cake. 🍰
Estimate products: multiply by 1-digit numbers
Master the concepts of Estimate products: multiply by 1-digit numbers.
Estimate products word problems: identify reasonable answers
Master the concepts of Estimate products word problems: identify reasonable answers.
Multiply 1-digit numbers by teen numbers using grids
Master the concepts of Multiply 1-digit numbers by teen numbers using grids.
Multiply 1-digit numbers by 2-digit numbers: choose the area model
Master the concepts of Multiply 1-digit numbers by 2-digit numbers: choose the area model.
Multiply 1-digit numbers by 2-digit numbers using area models
Master the concepts of Multiply 1-digit numbers by 2-digit numbers using area models.
Multiply 1-digit numbers by 3-digit or 4-digit numbers using area models
Master the concepts of Multiply 1-digit numbers by 3-digit or 4-digit numbers using area models.
Multiply 1-digit numbers by 3-digit or 4-digit numbers using expanded form
Master the concepts of Multiply 1-digit numbers by 3-digit or 4-digit numbers using expanded form.
Multiply 1-digit numbers by multi-digit numbers using partial products
Master the concepts of Multiply 1-digit numbers by multi-digit numbers using partial products.
Multiply 1-digit numbers by 2-digit numbers
Master the concepts of Multiply 1-digit numbers by 2-digit numbers.
Multiply 1-digit numbers by 2-digit numbers: multi-step word problems
Master the concepts of Multiply 1-digit numbers by 2-digit numbers: multi-step word problems.
Multiply 1-digit numbers by 3-digit or 4-digit numbers
Master the concepts of Multiply 1-digit numbers by 3-digit or 4-digit numbers.
Multiply 1-digit numbers by 3-digit or 4-digit numbers: multi-step word problems
Master the concepts of Multiply 1-digit numbers by 3-digit or 4-digit numbers: multi-step word problems.
Multiply by multiples of ten
Master the concepts of Multiply by multiples of ten.
Estimate products: multiply by 2-digit numbers
Master the concepts of Estimate products: multiply by 2-digit numbers.
Multiply 2-digit numbers by 2-digit numbers using area models
The area model is a brilliant way to visualize multiplying big numbers. It turns one big, tricky problem into four smaller, easy ones. It’s like solving a puzzle! 🧩
Multiply 2-digit numbers by 2-digit numbers using partial products
Master the concepts of Multiply 2-digit numbers by 2-digit numbers using partial products.
Multiply a 2-digit number by a 2-digit number
Master the concepts of Multiply a 2-digit number by a 2-digit number.
Multiply a 2-digit number by a 2-digit number: multi-step word problems
Master the concepts of Multiply a 2-digit number by a 2-digit number: multi-step word problems.
Find two numbers based on sum and product
Master the concepts of Find two numbers based on sum and product.
Multiplication facts to 10: find the missing factor
Master the concepts of Multiplication facts to 10: find the missing factor.
Divisibility rules
Divisibility rules are math shortcuts. They tell you quickly if one number can divide another with no remainder.
Understand factors and factor pairs
Factors are the numbers you multiply together to get another number! Finding factors is like solving a puzzle - which numbers fit together perfectly?
Find all the factor pairs of a number
Master the concepts of Find all the factor pairs of a number.
Prime and composite: up to 100
Numbers can be sorted into two cool teams: Prime and Composite. 🎖️ Prime numbers are special because they only have two factors, while composite numbers have more. Let's become number detectives and learn how to tell them apart!
Choose the multiples of a given number up to 10
Master the concepts of Choose the multiples of a given number up to 10.
Sort multiples into a Venn diagram
Master the concepts of Sort multiples into a Venn diagram.
Use a rule to complete a number pattern
Patterns are number stories. Find the rule, then keep the story going.
Complete an increasing number pattern
Master the concepts of Complete an increasing number pattern.
What is true about the pattern made by the rule?
Master the concepts of What is true about the pattern made by the rule?.
What is true about the given pattern?
Master the concepts of What is true about the given pattern?.
Complete a multiplication number pattern
Master the concepts of Complete a multiplication number pattern.
Identify mistakes in number patterns
Master the concepts of Identify mistakes in number patterns.
Extend growing shape patterns
Master the concepts of Extend growing shape patterns.
Extend repeating shape patterns
Master the concepts of Extend repeating shape patterns.
Number patterns: word problems
Master the concepts of Number patterns: word problems.
Use a rule to complete an input/output table
Master the concepts of Use a rule to complete an input/output table.
Input/output tables with addition, subtraction, multiplication, and division
Master the concepts of Input/output tables with addition, subtraction, multiplication, and division.
Division facts to 10
Master the concepts of Division facts to 10.
Divide numbers ending in zeros by 1-digit numbers
Master the concepts of Divide numbers ending in zeros by 1-digit numbers.
Choose numbers with a particular quotient
Master the concepts of Choose numbers with a particular quotient.
Estimate quotients using compatible numbers: 1-digit divisors
Master the concepts of Estimate quotients using compatible numbers: 1-digit divisors.
Divide by 1-digit numbers: pick the better estimate
Master the concepts of Divide by 1-digit numbers: pick the better estimate.
Divide 2-digit numbers by 1-digit numbers using arrays
Master the concepts of Divide 2-digit numbers by 1-digit numbers using arrays.
Divide 2-digit numbers by 1-digit numbers: quotients up to 10
Master the concepts of Divide 2-digit numbers by 1-digit numbers: quotients up to 10.
Divide 2-digit numbers by 1-digit numbers using area models
Master the concepts of Divide 2-digit numbers by 1-digit numbers using area models.
Divide 3-digit numbers by 1-digit numbers using area models
Master the concepts of Divide 3-digit numbers by 1-digit numbers using area models.
Divide using partial quotients
Master the concepts of Divide using partial quotients.
Divide using partial quotients with remainders
Master the concepts of Divide using partial quotients with remainders.
Divide 2-digit numbers by 1-digit numbers
Master the concepts of Divide 2-digit numbers by 1-digit numbers.
Divide larger numbers by 1-digit numbers
Master the concepts of Divide larger numbers by 1-digit numbers.
Divisibility rules: word problems
Master the concepts of Divisibility rules: word problems.
Divide 2-digit numbers by 1-digit numbers: interpret remainders
Sometimes when you divide, there are leftovers! These are called remainders. The tricky part isn't finding the remainder, but figuring out what it means and what to do with it. 🤔
Divide larger numbers by 1-digit numbers: interpret remainders
Master the concepts of Divide larger numbers by 1-digit numbers: interpret remainders.
Divide larger numbers by 1-digit numbers: word problems
Master the concepts of Divide larger numbers by 1-digit numbers: word problems.
Comparison word problems with multiplication and division: larger numbers
Master the concepts of Comparison word problems with multiplication and division: larger numbers.
Multi-step word problems involving remainders
Master the concepts of Multi-step word problems involving remainders.
Add, subtract, multiply, and divide
Master the concepts of Add, subtract, multiply, and divide.
Multi-step word problems
Master the concepts of Multi-step word problems.
Write equations to represent word problems
Master the concepts of Write equations to represent word problems.
Choose numbers with a particular sum, difference, product, or quotient
Master the concepts of Choose numbers with a particular sum, difference, product, or quotient.
Multi-step word problems: identify reasonable answers
Master the concepts of Multi-step word problems: identify reasonable answers.
Find the perimeter of rectangles using formulas
Master the concepts of Find the perimeter of rectangles using formulas.
Perimeter: find the missing side length
Master the concepts of Perimeter: find the missing side length.
Perimeter: word problems
Perimeter tells you how far it is around a shape. It is perfect for borders, fences, and tracks.
Find the area of rectangles using formulas
Master the concepts of Find the area of rectangles using formulas.
Find the area or missing side length of a rectangle
Master the concepts of Find the area or missing side length of a rectangle.
Area: word problems
Master the concepts of Area: word problems.
Area of complex figures
Master the concepts of Area of complex figures.
Use area and perimeter to determine cost
Master the concepts of Use area and perimeter to determine cost.
Fractions of a whole: word problems
Master the concepts of Fractions of a whole: word problems.
Find equivalent fractions using area models
Master the concepts of Find equivalent fractions using area models.
Graph equivalent fractions on number lines
Master the concepts of Graph equivalent fractions on number lines.
Identify equivalent fractions
Master the concepts of Identify equivalent fractions.
Find equivalent fractions using multiplication and division
Fractions can wear disguises! 🥸 Fractions that look different but have the same value are 'equivalent'. The secret to finding them is a simple rule: whatever you do to the top, you do to the bottom!
Equivalent fractions: find the missing numerator or denominator
Master the concepts of Equivalent fractions: find the missing numerator or denominator.
Write fractions in lowest terms
Master the concepts of Write fractions in lowest terms.
Compare fractions with like numerators or denominators
Master the concepts of Compare fractions with like numerators or denominators.
Compare fractions using benchmarks
Benchmarks like 0, 1/2, and 1 help you compare fractions quickly without always finding common denominators.
Compare fractions
Master the concepts of Compare fractions.
Compare fractions: find the missing numerator or denominator
Master the concepts of Compare fractions: find the missing numerator or denominator.
Compare fractions in recipes
Master the concepts of Compare fractions in recipes.
Compare mixed numbers
Master the concepts of Compare mixed numbers.
Decompose fractions
Master the concepts of Decompose fractions.
Decompose fractions multiple ways
Master the concepts of Decompose fractions multiple ways.
Add fractions with like denominators using area models
Master the concepts of Add fractions with like denominators using area models.
Add fractions with like denominators using number lines
Master the concepts of Add fractions with like denominators using number lines.
Add fractions with like denominators
Master the concepts of Add fractions with like denominators.
Subtract fractions with like denominators using area models
Master the concepts of Subtract fractions with like denominators using area models.
Subtract fractions with like denominators using number lines
Master the concepts of Subtract fractions with like denominators using number lines.
Subtract fractions with like denominators
Master the concepts of Subtract fractions with like denominators.
Add and subtract fractions with like denominators
When fractions have the same denominator (bottom number), adding and subtracting is easy! You're just combining or removing pieces of the same size.
Add and subtract fractions with like denominators: word problems
Master the concepts of Add and subtract fractions with like denominators: word problems.
Compare sums and differences of fractions with like denominators
Master the concepts of Compare sums and differences of fractions with like denominators.
Add and subtract fractions with like denominators in recipes
Master the concepts of Add and subtract fractions with like denominators in recipes.
Identify mixed numbers
Master the concepts of Identify mixed numbers.
Convert between improper fractions and mixed numbers
Fractions greater than one can be written in two ways: as an 'improper' fraction (where the top is bigger than the bottom) or a 'mixed number' (with a whole number and a fraction). Learning to switch between them is a key fraction skill! 🔁
Add and subtract mixed numbers with like denominators - without regrouping
Master the concepts of Add and subtract mixed numbers with like denominators - without regrouping.
Add mixed numbers with like denominators
Master the concepts of Add mixed numbers with like denominators.
Subtract mixed numbers with like denominators
Master the concepts of Subtract mixed numbers with like denominators.
Add and subtract mixed numbers with like denominators
Master the concepts of Add and subtract mixed numbers with like denominators.
Add and subtract mixed numbers with like denominators: word problems
Master the concepts of Add and subtract mixed numbers with like denominators: word problems.
Add and subtract mixed numbers with like denominators in recipes
Master the concepts of Add and subtract mixed numbers with like denominators in recipes.
Interpret line plots
Master the concepts of Interpret line plots.
Create line plots with fractions
Master the concepts of Create line plots with fractions.
Create and interpret line plots with fractions
Master the concepts of Create and interpret line plots with fractions.
Interpret line plots with fractions: multi-step problems
Line plots show data quickly. Fraction line plots help you count, combine, and compare measurements.
Measurement word problems
Master the concepts of Measurement word problems.
Measurement word problems with fractions
Master the concepts of Measurement word problems with fractions.
Multiply unit fractions by whole numbers using models
Master the concepts of Multiply unit fractions by whole numbers using models.
Multiply unit fractions by whole numbers using number lines
Master the concepts of Multiply unit fractions by whole numbers using number lines.
Multiply fractions by whole numbers using models
Master the concepts of Multiply fractions by whole numbers using models.
Multiply fractions by whole numbers using number lines
Master the concepts of Multiply fractions by whole numbers using number lines.
Multiply fractions by whole numbers: sorting
Master the concepts of Multiply fractions by whole numbers: sorting.
Multiply fractions by whole numbers
Multiplying a fraction by a whole number is like adding that fraction to itself multiple times! It's a shortcut for repeated addition.
Multiply fractions by whole numbers: word problems
Master the concepts of Multiply fractions by whole numbers: word problems.
Multiply mixed numbers by whole numbers
Master the concepts of Multiply mixed numbers by whole numbers.
Multiply mixed numbers by whole numbers: word problems
Master the concepts of Multiply mixed numbers by whole numbers: word problems.
Multiply fractions and mixed numbers by whole numbers in recipes
Master the concepts of Multiply fractions and mixed numbers by whole numbers in recipes.
Multiply fractions and mixed numbers by whole numbers: multi-step word problems
Master the concepts of Multiply fractions and mixed numbers by whole numbers: multi-step word problems.
Which metric unit is appropriate?
Master the concepts of Which metric unit is appropriate?.
Convert and compare metric units
Master the concepts of Convert and compare metric units.
Convert mixed metric units
Master the concepts of Convert mixed metric units.
Add and subtract mixed customary units
Master the concepts of Add and subtract mixed customary units.
Which customary unit is appropriate?
Master the concepts of Which customary unit is appropriate?.
Convert and compare customary units
Master the concepts of Convert and compare customary units.
Convert mixed customary units
Master the concepts of Convert mixed customary units.
Add and subtract mixed customary units
Master the concepts of Add and subtract mixed customary units.
Multi-step measurement problems with conversions
Master the concepts of Multi-step measurement problems with conversions.
Convert time units
Master the concepts of Convert time units.
Add and subtract mixed time units
Master the concepts of Add and subtract mixed time units.
Elapsed time: word problems
Master the concepts of Elapsed time: word problems.
Find start and end times: multi-step word problems
Master the concepts of Find start and end times: multi-step word problems.
Model decimals and fractions
Master the concepts of Model decimals and fractions.
Convert fractions and mixed numbers to decimals - denominators of 10 and 100
Fractions and decimals are two ways of showing the same value. 🤝 Learning to convert between them is easy when the fraction's denominator is a power of 10, like 10 or 100!
Relate decimals and money
Money is a perfect way to understand decimals. Dollars are ones, dimes are tenths, and pennies are hundredths.
Graph decimals on number lines
Master the concepts of Graph decimals on number lines.
Decimal number lines
Master the concepts of Decimal number lines.
Place values in decimal numbers
Master the concepts of Place values in decimal numbers.
Understanding decimals expressed in words
Master the concepts of Understanding decimals expressed in words.
Compare decimals using models
Master the concepts of Compare decimals using models.
Compare decimals on number lines
Master the concepts of Compare decimals on number lines.
Compare decimal numbers
Master the concepts of Compare decimal numbers.
Put decimal numbers in order I
Master the concepts of Put decimal numbers in order I.
Compare money amounts
Master the concepts of Compare money amounts.
Add fractions: denominators 10 and 100
Master the concepts of Add fractions: denominators 10 and 100.
Add decimals using blocks
Master the concepts of Add decimals using blocks.
Add decimal numbers
Master the concepts of Add decimal numbers.
Subtract decimals using blocks
Master the concepts of Subtract decimals using blocks.
Subtract decimal numbers
Master the concepts of Subtract decimal numbers.
Add and subtract decimals: word problems
Master the concepts of Add and subtract decimals: word problems.
Multi-step word problems with money: addition and subtraction only
Master the concepts of Multi-step word problems with money: addition and subtraction only.
Points, lines, line segments, rays, and angles
Master the concepts of Points, lines, line segments, rays, and angles.
Identify parallel, perpendicular, and intersecting lines
Master the concepts of Identify parallel, perpendicular, and intersecting lines.
Acute, right, obtuse, and straight angles
Master the concepts of Acute, right, obtuse, and straight angles.
Use fractions to find the measure of an angle
Master the concepts of Use fractions to find the measure of an angle.
Measure angles on a circle
Master the concepts of Measure angles on a circle.
Measure angles with a protractor
A protractor is a precision tool for measuring turns. You can read angle size in degrees (°).
Draw angles with a protractor
Master the concepts of Draw angles with a protractor.
Estimate angle measurements
Master the concepts of Estimate angle measurements.
Adjacent angles
Master the concepts of Adjacent angles.
Angle measures: word problems
Master the concepts of Angle measures: word problems.
Solve problems involving angle measures
Master the concepts of Solve problems involving angle measures.
Sides and angles in polygons
Master the concepts of Sides and angles in polygons.
Identify lines of symmetry
Master the concepts of Identify lines of symmetry.
Draw lines of symmetry
Master the concepts of Draw lines of symmetry.
Acute, obtuse, and right triangles
Master the concepts of Acute, obtuse, and right triangles.
Scalene, isosceles, and equilateral triangles
Master the concepts of Scalene, isosceles, and equilateral triangles.
Classify triangles
Master the concepts of Classify triangles.
Sides and angles of quadrilaterals
Master the concepts of Sides and angles of quadrilaterals.
Parallel sides in quadrilaterals
Master the concepts of Parallel sides in quadrilaterals.
Classify quadrilaterals
Quadrilaterals are four-sided shapes with a family tree. Knowing their properties helps you sort and name them.
Draw quadrilaterals
Master the concepts of Draw quadrilaterals.
Pick all the names for a quadrilateral
Master the concepts of Pick all the names for a quadrilateral.