Fourth grade math

381 skills 69 lessons 356 videos 62 games

IXL offers hundreds of fourth grade math skills, lessons, and games to explore and learn! Not sure where to start? Go to your personalized Recommendations wall to find a skill that looks interesting, or select a skill plan that aligns to your textbook, state standards, or standardized test.

IXL offers hundreds of fourth grade math skills, lessons, and games to explore and learn! Not sure where to start? Go to your personalized Recommendations wall to find a skill that looks interesting, or select a skill plan that aligns to your textbook, state standards, or standardized test.

B. Ordering and comparing

  1. 1
    Compare numbers up to one million
  2. 2
    Compare numbers up to one billion
  3. 3
    Compare numbers in tables
  4. 4
    Order numbers up to one million
  5. 5
    Find the order

FF. Measurement word problems

  1. 1
    Measurement word problems
  2. 2
    Measurement word problems with fractions
  3. •
    New! Multi-step measurement problems with conversions

GG. Perimeter

  1. 1
    Perimeter of polygons
  2. 2
    Perimeter: find the missing side length
  3. 3
    Find the perimeter of rectangles using formulas
  4. 4
    Perimeter: word problems

KK. Triangles

  1. 1
    Acute, obtuse, and right triangles
  2. 2
    Scalene, isosceles, and equilateral triangles
  3. 3
    Classify triangles

MM. Symmetry

  1. 1
    Identify lines of symmetry
  2. 2
    Draw lines of symmetry
  3. 3
    Count lines of symmetry

Fourth grade lessons

These lessons help you brush up on important math topics and prepare you to dive into skill practice!

Number sense

  1. Place value
  2. Writing numbers in expanded form
  3. Writing numbers in word form
  4. Rounding numbers
  5. Comparing numbers
  6. Prime and composite numbers
  7. Factors
  8. Multiples

Multiplication

  1. Multiplying multiples of 10
  2. Estimating products
  3. Area model multiplication
  4. Partial products
  5. Lattice multiplication
  6. Multiplying by 1-digit numbers
  7. Multiplying by 2-digit numbers
  8. Long multiplication
  9. Square numbers

Division

  1. Dividing multiples of 10
  2. Estimating quotients
  3. Partial quotients
  4. Area model division
  5. Dividing by 1-digit numbers
  6. Long division
  7. Divisibility rules

Properties and mixed operations

  1. The distributive property
  2. Order of operations
  3. PEMDAS

Fractions

  1. Fractions overview
  2. Understanding fractions
  3. Fraction area models
  4. Fractions on a number line
  5. Fractions of a set
  6. Equivalent fractions
  7. Comparing fractions
  8. Least common denominator
  9. Simplest form
  10. Mixed numbers and improper fractions

Adding fractions

  1. Adding fractions with like denominators
  2. Adding mixed numbers

Subtracting fractions

  1. Subtracting fractions with like denominators
  2. Subtracting mixed numbers

Multiplying fractions

  1. Multiplying fractions and whole numbers

Decimals

  1. What is a decimal?
  2. Fractions and decimals
  3. Decimal place value
  4. Equivalent decimals
  5. Comparing decimals

Geometry

  1. Lines, line segments, and rays
  2. Parallel and perpendicular lines
  3. What is an angle?
  4. Types of angles
  5. Measuring angles with a protractor
  6. Types of triangles
  7. Types of quadrilaterals
  8. Parallelograms
  9. Rhombuses
  10. Rectangles
  11. Squares
  12. Trapezoids
  13. Kites
  14. Regular polygons
  15. Perimeter
  16. Area of rectangles
  17. Area of compound shapes
  18. Lines of symmetry

Data and measurement

  1. Line plots
  2. Elapsed time
  3. Metric units of measurement
  4. Customary units of measurement