National Council of Teachers of Mathematics
Nctm: Figure This: Movie Money
Do movie theaters make lots of money? You can find out when you try this math challenge that explores profit and loss in the theater industry. Discover why understanding problem solving, percent, and basic calculations are essential in...
National Council of Teachers of Mathematics
Nctm: Figure This: Visualizing
Is seeing believing? Explore visualizing and spatial reasoning with three dimensional shapes in this challenge from the NCTM Math Challenge for Families collection. Discover why visualization is essential skill in real world situations.
National Council of Teachers of Mathematics
Nctm: Figure This: Does It Make a Difference Where You Shop?
A math investigation that uses scatter plots to compare prices of favorite soft drinks. Discover how valuable your skills in organizing and displaying data can be in real life scenarios.
Visual Fractions
Visual Fractions: Add Unlike Fractions With Number Line Models
Boost your ability to add number line fractions with unlike denominators with this interactive math game. A basic understanding of factors is key to success. Instructions with detailed examples are easily accessible.
NumberNut
Number Nut: Subtraction Overview
Get an overview of the subtraction process in this brief lesson that introduces key concepts, vocabulary, and symbols. Links to related, interactive practice are also available in this lesson.
NumberNut
Number Nut: Calendar Origins
History and mathematics merge in this lesson that explores the origin of the calendar. Learn how it all got started in this detailed lesson that includes a simple months of the year game and a more challenging time conversion game. Both...
Other
Finite Geometry Notes: Diamond 16 Symmetry Puzzle
At this site see if you can solve the "Diamond 16" puzzle. Change the patterns to create ordinary or color exchange symmetry. This is just one of several challenging puzzles at this site. Links to similar puzzles and games.
Other
All Elementary Mathematics: Proportionality and Ratio
A brief explanation of the mathematical relationship between ratio, proportion, and proportionality. Examples are included.
Quia
Quia: Angles
Practice rounding numbers to the nearest whole number or fraction with this interactive game. Check out this helpful resource!
Quia
Quia: Spanish Numbers by Ten
If you can count by tens in Spanish, then you'll enjoy this interactive number game. Put the Spanish numbers in the correct order to win the game, then check your answers.
Quia
Quia: Doubles Facts or Odd and Even
It's double or nothing when you play these fun, interactive games. Review doubles facts in minutes with the Matching or Concentration games. Then, practice identifying odd and even numbers with the interactive flashcards. A quick and...
Quia
Quia: Addition Facts Matching Doubles
Practice your doubles facts with these interactive games at the Quia website. A fun way to sharpen your number sense and doubling skills.
National Council of Teachers of Mathematics
Nctm: Figure This: Gasoline Tanks
Inquiring minds want to know, how far can you go on a tank of gas? See if you can figure out this math challenge that explores rate, distance, and time. A one page activity from the NCTM Math Challenges for Families series. Application...
National Council of Teachers of Mathematics
Nctm: Figure This: Combination Locks
If you're good with numbers, then here's a challenge just for you. See if you can figure out how many three number combinations you can make using numbers from 0 to 39. A probability challenge that explores number arrangements. Taken...
National Council of Teachers of Mathematics
Nctm: Figure This: Beanie Babies, Profit or Loss
Is you Beanie Baby business booming or busted! Figure out if you made a profit or lost money in this mathematic computation activity. A one page activity from the NCTM Math Challenges for Families collection that focuses on adding and...
National Council of Teachers of Mathematics
Nctm: Figure This: Big Trees
What tree is big enough for a car to drive through? Figure it out with this NCTM math challenge on measurement. Find out why understanding measurement is important in everyday life. A one page activity from the NCTM Math Challenges for...
National Council of Teachers of Mathematics
Nctm: Figure This: Who's on First Today?
Batter up! Who has the higher batting average, Joe McEwing or Mike Lieberthal? Try your computation and averaging skills in this real-world math challenge. Learn how sharpening your averaging skills can be valuable in real life...
National Council of Teachers of Mathematics
Nctm: Figure This: Chocolate (Pdf)
Here's a delicious math challenge for chocolate lovers! Use your estimation and measurement skills to discover which irregular shaped, chocolate covered cookie has the largest surface area. A one-page activity from the NCTM Math...
National Council of Teachers of Mathematics
Nctm: Figure This: What's My Angle?
Do people with big hands have larger angles between their fingers? See if you can find the answer this question when you try this math challenge on estimating and measuring angles. Discover how understanding angles and geometric shapes...
National Council of Teachers of Mathematics
Nctm: Figure This: How Can You Use Old Stamps?
Test your number sense and problem-solving aptitude with this math challenge using postage stamps with different values. This one-page activity from the NCTM Math Challenge for Families series focuses developing skills that can be used...
Wyzant
Wyzant: Fraction Mixed Number Calculator
Are you struggling with comparing fractions? Then try the fraction inequality calculator. Simply key in your two fractions, press the calculate button, and in seconds youll have an answer. The perfect tool for algebra students who need...
Other
Visual Fractions: Rename in Higher Terms With Circles
Practice renaming fractions in higher terms using circle fractions, in this Java applet interactive game. A simple activity for most. However, if you get stuck, see the detailed, directions and examples that are included.
National Council of Teachers of Mathematics
Nctm: Figure This: Cut the Cake
A math challenge where geometry, measurement, and problem solving meet. Explore the properties of three dimensional shapes when you discover how six friends can equally divide a nine inch square chocolate cake. A one page activity from...
National Council of Teachers of Mathematics
Nctm: Figure This: Fire Hydrant
Discover how the geometric shape of an object directly relates to its usefullness in this math challenge from the NCTM Math Challenges for Families collection. A one page activity that you can print or download.