Place Value,
Comparing & Ordering Whole Numbers

Revise Wise Maths: Place Value
(online tutorial regarding place value)

WebMath.com
(input numbers to identify the place value of the digits)

Jefferson Lab Place Value Game
(online place value game)

All About Place Value
(explanation, interactive practice and challenge games about place values)

Base 10 Blocks-Place Value
(use interactive Base 10 blocks to explore place value)

Cyberchase Games: Number Machine
(create larger numbers than the computer)

Math Cats: Really Big Numbers
(saying & writing really big numbers)

Mega Penny Project
(visuals of large numbers of pennies)

Mental Math,
Estimation & Rounding

Glowla’s Estimation Contraption
(round numbers to estimate sums)

Sleuths on the Loose
(estimation skills to measure the height of monsters)

Guess the Number Too!
(practice skills in estimation & halving numbers)

Guess the Number!
(classic number "guessing", this one's interactive)

Algebra:  Addition & Subtraction

Cyberchase Games:  Pattern Quest
(discover a hidden pattern in a grid)

Cyberchase Games:  Pattern Player
(make patterns using sound)

Cyberchase Games: Poddle Weigh-In
(discover unknown weights using a balance)

Late Delivery
(Identifying values for a variable)

Time, Data & Graphing

Bang on Time!
(matching written time to time on the clock face)

Stop the Clock!
(match times written in text to the graphic match)

Billy the Bug Coordinates
(locating points in one quadrant of a graph)

Bugs in the System!
(very simple graphing activity)

Data Picker
Gathering & totaling data; identifying corresponding graphs)

Hurkle
(locating points in one quadrant of a graph)

Count On: Worm Hunt
(locating worms using a grid)

Count On: Where's that Monkey?
(locating monkeys on a city grid)

Count On: Dino Dig
(locating dinosaurs using a graph)

Illuminations: Create a Bar Graph
(input data & create a bar graph)

Illuminations: Create a Circle Graph
(input data & create a circle graph)

Spooky Sequences by 5
(identify the missing number in a sequence)

Spooky Sequences by 2
(identify the missing number in a sequence)

Spooky Sequences by 3
(identify the missing number in a sequence)

Math Magician
(customizable online basic fact drill & practice)

Ambleweb: Division Machine
(practice with division)

Illuminations:  Product Game
(2-player game to practice factors & multiples)

Table Trees
(practice with multiplication facts)

Math Cats: Multiplication
(several activities to practice with multiplication facts)

Division MATHO
(practice with division facts using a bingo format)

Number Theory

Prime & Composite Numbers
(practice identifying prime & composite numbers)

Shodor: Factorize 1
(find all factors of a number & draw a rectangle representing the number)

Spooky Sequences: Square Numbers
(practice sequencing with square numbers)

Count On: Primes, Factors & Divisibility
(practice divisibility rules with large numbers

Fractions
& Decimals

Fraction Flags (halves)
(practice creating fractions)

Fraction Flags (thirds)
(practice creating fractions)

Beginning Fractions
(identify fractions shown as pictures)

Fractions - Parts of a Whole
(relates parts of a whole unit to written description & fraction)

Shodor's Equivalent Fractions Finder
(create equivalent fractional graphics)

Fractions-Multiple Activities
(several activities about fractions)

Count On: Fraction Games
(several games using operations with fractions)

BBC's Maths Files: Builder Ted
(place decimal numbers in sequential order)

BBC's Maths Files: Saloon Snap
(identify equivalent fractions, decimals & percents)

Count On: Circus Math Pairs Game
(math equivalent fractions and decimals)

Interactive Mathematics: Base 10 Blocks & Decimals
(explore operations with decimals using virtual Base 10 Blocks)

Probability

Interactive Mathematics: Probability & Coins
(investigate probability by tossing virtual coins)

BBC's Maths Files Fish Tank: Probability
(investigate the probability of catching a particular color of fish)

Interactive Mathematics: Probability & Spinners
(investigate probability using online spinners)

Shodor Interactivate: Probability
(explore probability with a racing game and one die)

Measurement:
 Area, Perimeter & Volume

Ambleweb's What's My Angle?
(online resource for teaching angles)

Ambleweb's Angle Activities?
(20 interactive investigations using a protractor)

Ambleweb's Shape Database
(use this online database to learn your 2D & 3D shapes)

Ambleweb's Interactive Geometry
(JAVA based online tools to explore the properties of various regular and irregular shapes as well as mirror and rotational symmetry)

Plane Math: Capacity
(explore the concept of capacity by filling a plane)

Shodor Interactivate: Area Explorer
(Students are shown shapes on a grid after setting the perimeter and asked to calculate areas of the shapes.)

Shodor Interactivate: Perimeter Explorer
(Students are shown shapes on a grid after setting the area and asked to calculate perimeters of the shapes.)

Interactive Mathematics: Geoboards
(Use interactive geoboards to illustrate area, perimeter, and rational number concepts.)