Third grade math lessons

414 skills 47 lessons 46 games

Brush up on important topics with IXL’s third grade math lessons! Once you're ready, start practicing what you've learned in one of IXL's skills.

Number sense

  1. Place value
  2. Writing numbers in expanded form
  3. Writing numbers in word form
  4. Rounding numbers
  5. Comparing numbers

Addition and subtraction

  1. Addition with number lines
  2. Multi-digit addition
  3. Subtraction with number lines
  4. Multi-digit subtraction

Multiplication

  1. Multiplication as repeated addition
  2. Multiplying with arrays
  3. Multiplication terms
  4. Multiplication tables
  5. Multiplying multiples of 10
  6. Square numbers

Division

  1. Dividing with arrays
  2. Division terms
  3. Dividing multiples of 10
  4. Divisibility rules

Properties and mixed operations

  1. The commutative property
  2. The associative property
  3. The distributive property
  4. The identity property
  5. Fact families

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

Geometry

  1. Types of quadrilaterals
  2. Parallelograms
  3. Rhombuses
  4. Rectangles
  5. Squares
  6. Trapezoids
  7. Kites
  8. Regular polygons
  9. Perimeter
  10. Area of rectangles
  11. Area of compound shapes

Data and measurement

  1. Line plots
  2. How to tell time
  3. Elapsed time
  4. Metric units of measurement
  5. Customary units of measurement