Below are some sites for homework help, practice, fun games and puzzles to promote mathematical thinking.

Websites for fun and practice

Everyday Mathematics Online

Math Puzzles

A Plus Math

Math.com

Factor Captor

Daily Set Game

Games for all Concepts

PBS Kids Website

Math Skills Practice Activities - Grades 3-6 - all Strands

Sites by Mathematical Strand

Numbers and Numerations

Numberlines - Create your own numberline

Counter Square - Hundred chart with counters to work on number skills

Odd or Even - Drag or drop the number titles to their correct position on the Venn diagram

Hundred Board Activities - Great hundred board activities

I Have "Who Has" Cards - Who Has? activities

Reading Numbers - Can you say really big numbers?

Place Value - Find the place value of a particular digit in a number

Place Value and Probability - A game that uses place value & probability

Operation and Computations

Factor Captor Great game for reinforcing multiplication facts

Addition Facts Site for practicing addition facts

Subtraction Facts Site for practicing subtraction facts

Multiplication Facts Site for practicing multiplication facts

Multiplication Facts Create arrays on a 10x10 grid

Division Facts Just the facts

Division Facts Matching and concentration games to reinforce division

Basic Facts and more Basic facts, fractions & percents

Data & Chance

Quizzes Click Probability under the Fractions column

Probability Games Site contains a variety of online probability games

Probability Games Wide variety of probability games

Probability Games Printable probability games

Intermediate Design Project Intermediate Web quest format on probability

Create a Graph Create graphs from primary (use the Create a Graph Classics at the bottom of the screen) to very complex

Data Picking Super Fun! Tally pets on a chart and match data to a pie graph

Measurement & Reference Frames

Making Change A great site to learn the "lost art" of counting back change

Telling Time British site for telling time to the minute. Uses British slang like Bang On and Spot On

Move the Hands Move the hands on a large clock face in 1 minute, 5 minute, 15 minute, or hourly steps

Time, Money & Measurement, etc Here is a really great web site that allows you to make quizzes/tests for your students

Counting Change Matching game for students who are learning to count money

Measurement Site contains a variety of measurement activities both online and print

Ruler Game Site for metric and English rulers

Geometry

Lady Bug Maze Students plan a path to move a ladybug through a maze. Great fun!

Quizzes Fun Web site that quizzes students on many geometry concepts

Almost Battleship Game played much like Battleship

Coordinate Grids Play Whack-a-Mole on a coordinate grid

Planet Hop Find coordinates of objects and graph equations

Patterns, Functions & Algebra

Set Attribute game

Algebra Games Games at all levels

Planet Hop Find coordinates of objects and graph equations

Order of Operations Game Funbrain's Order of Operations game - fairly low level with no parentheses but a lot of basic skills are practiced Gamequarium Wide variety of algebra activities including algebra tiles to construct a given equation

Pre-Algebra Games Wide variety of pre-algebra games

Virtual Manipulatives - interactive manipulatives

Calculation Nation - Games organized around content from the upper elementary and middle grades math curriculum. Play online math strategy games to learn about fractions, factors, symmetry, and more. Practice skills like basic multiplication and calculations.

Free Rice.com - donate rice while you practice

IXL - fun and engaging practice of math skills

XtraMath - web-site for mastery of basic math facts

Khan Academy - Getting Started - instructional videos and practice exercises on many mathematical topics

SOAR (Student Online Achievement Resources)

References

Dictionary for Kids A Maths (no, it's not a typo - in the UK, they call it Maths like we say Physics) dictionary for kids

Fraction/Decimal Converter

Algorithms

Alternative Algorithms Great PowerPoints from South Western School District in Pennsylvania that explain the EDM algorithms

Seasonal Math

Mathwire.com Fun math activities that change with the season

Standards

Standards-based math activities Standards-based math activities organized by NCTM standards

Virtual Manipulatives

National Library of Virtual Manipulatives National Library of Virtual Manipulatives by strand and grade level

Websites for fun and practice

Everyday Mathematics Online

Math Puzzles

A Plus Math

Math.com

Factor Captor

Daily Set Game

Games for all Concepts

PBS Kids Website

Math Skills Practice Activities - Grades 3-6 - all Strands

Sites by Mathematical Strand

Numbers and Numerations

Numberlines - Create your own numberline

Counter Square - Hundred chart with counters to work on number skills

Odd or Even - Drag or drop the number titles to their correct position on the Venn diagram

Hundred Board Activities - Great hundred board activities

I Have "Who Has" Cards - Who Has? activities

Reading Numbers - Can you say really big numbers?

Place Value - Find the place value of a particular digit in a number

Place Value and Probability - A game that uses place value & probability

Operation and Computations

Factor Captor Great game for reinforcing multiplication facts

Addition Facts Site for practicing addition facts

Subtraction Facts Site for practicing subtraction facts

Multiplication Facts Site for practicing multiplication facts

Multiplication Facts Create arrays on a 10x10 grid

Division Facts Just the facts

Division Facts Matching and concentration games to reinforce division

Basic Facts and more Basic facts, fractions & percents

Data & Chance

Quizzes Click Probability under the Fractions column

Probability Games Site contains a variety of online probability games

Probability Games Wide variety of probability games

Probability Games Printable probability games

Intermediate Design Project Intermediate Web quest format on probability

Create a Graph Create graphs from primary (use the Create a Graph Classics at the bottom of the screen) to very complex

Data Picking Super Fun! Tally pets on a chart and match data to a pie graph

Measurement & Reference Frames

Making Change A great site to learn the "lost art" of counting back change

Telling Time British site for telling time to the minute. Uses British slang like Bang On and Spot On

Move the Hands Move the hands on a large clock face in 1 minute, 5 minute, 15 minute, or hourly steps

Time, Money & Measurement, etc Here is a really great web site that allows you to make quizzes/tests for your students

Counting Change Matching game for students who are learning to count money

Measurement Site contains a variety of measurement activities both online and print

Ruler Game Site for metric and English rulers

Geometry

Lady Bug Maze Students plan a path to move a ladybug through a maze. Great fun!

Quizzes Fun Web site that quizzes students on many geometry concepts

Almost Battleship Game played much like Battleship

Coordinate Grids Play Whack-a-Mole on a coordinate grid

Planet Hop Find coordinates of objects and graph equations

Patterns, Functions & Algebra

Set Attribute game

Algebra Games Games at all levels

Planet Hop Find coordinates of objects and graph equations

Order of Operations Game Funbrain's Order of Operations game - fairly low level with no parentheses but a lot of basic skills are practiced Gamequarium Wide variety of algebra activities including algebra tiles to construct a given equation

Pre-Algebra Games Wide variety of pre-algebra games

Virtual Manipulatives - interactive manipulatives

Calculation Nation - Games organized around content from the upper elementary and middle grades math curriculum. Play online math strategy games to learn about fractions, factors, symmetry, and more. Practice skills like basic multiplication and calculations.

Free Rice.com - donate rice while you practice

IXL - fun and engaging practice of math skills

XtraMath - web-site for mastery of basic math facts

Khan Academy - Getting Started - instructional videos and practice exercises on many mathematical topics

SOAR (Student Online Achievement Resources)

References

Dictionary for Kids A Maths (no, it's not a typo - in the UK, they call it Maths like we say Physics) dictionary for kids

Fraction/Decimal Converter

Algorithms

Alternative Algorithms Great PowerPoints from South Western School District in Pennsylvania that explain the EDM algorithms

Seasonal Math

Mathwire.com Fun math activities that change with the season

Standards

Standards-based math activities Standards-based math activities organized by NCTM standards

Virtual Manipulatives

National Library of Virtual Manipulatives National Library of Virtual Manipulatives by strand and grade level

Special thanks go to Penny Williams and the Anchorage, Alaska School District for the use of her material on this site.