Third grade math

400 skills 47 lessons 348 videos 69 games

IXL offers hundreds of third 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 third 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.

D. Estimate sums

  1. 1
    Estimate sums by rounding: up to 1,000
  2. 2
    Estimate sums using compatible numbers
  3. 3
    Estimate sums by rounding: word problems

E. Estimate differences

  1. 1
    Estimate differences by rounding: up to 1,000
  2. 2
    Estimate differences using compatible numbers
  3. 3
    Estimate differences by rounding: word problems

L. Addition properties

  1. 1
    Properties of addition
  2. 2
    Complete the equation using properties of addition
  3. 3
    Add using properties
  4. 4
    Even or odd: addition patterns

M. Skip-counting

  1. 1
    Skip-count
  2. 2
    Skip-counting sequences
  3. 3
    Skip-counting puzzles

KK. Compare fractions with like denominators

  1. 1
    Compare fractions with like denominators using models
  2. 2
    Graph and compare fractions with like denominators on number lines
  3. 3
    Compare fractions with like denominators

LL. Compare fractions with like numerators

  1. 1
    Compare fractions with like numerators using models
  2. 2
    Graph and compare fractions with like numerators on number lines
  3. 3
    Compare fractions with like numerators

NN. Order fractions

  1. 1
    Graph and order fractions on number lines
  2. 2
    Order fractions with like denominators
  3. 3
    Order fractions with like numerators
  4. 4
    Order fractions

RR. Lines and angles

  1. 1
    Lines, line segments, and rays
  2. 2
    Angles greater than, less than, or equal to a right angle
  3. 3
    Parallel, perpendicular, and intersecting lines

UU. Read and write times

  1. 1
    Match clocks and times
  2. 2
    Match analog and digital clocks
  3. 3
    Read clocks and write times
  4. 4
    A.M. or P.M.
  5. 5
    Identify times written in words

Third 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

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