For Parents & Educators

The games of Calculation Nation^® are organized around content from the upper elementary and middle grades math curriculum. By becoming a citizen of Calculation Nation^®, your child or student will play online math strategy games that allow them to learn about fractions, factors, multiples, symmetry and more, as well as practice important skills like basic multiplication and calculating area — all while having fun.

Use the links below to learn more about each game and to find resources that you can use to help kids uncover the math concepts embedded in the games.

DiRT Dash Students race cars along varying terrains. Data is collected for each race for their distance, rate, and time. Learn More » 0 Votes

neXtu Students place hexagons, squares and triangles, each with a different value, on a tessellation game board. Capture pieces by placing your piece with a higher value next to your opponent’s piece with a lower value. Learn More » 1527 Votes

Square Off Students use their knowledge of area and perimeter to capture the greatest area and as many alien spaceships as possible. Learn More » 712 Votes

Factor Dazzle Number sense is vital in this game of finding factors. Students also pick numbers that have relatively few factors remaining on the board, to limit their opponent’s ability to score. Learn More » 3175 Votes

Fraction Feud Students rely on number sense to make a fraction that is greater (or less) than their opponent’s fraction. Learn More » 882 Votes

Times Square Students try to get four-in-a-row before their opponent in this game that requires multiplication skills, understanding of factors, and lots of strategy. Learn More » 4896 Votes

Slam Ball Angles and symmetry play a big role in this game, where students try to identify high-scoring paths. Learn More » 47547 Votes

Dig It Collect as much dirt and as many jewels as you can. Use your numbers to make a fraction. Click the location on the number line to tell the shovel where to dig. Learn More » 4511 Votes

Drop Zone This game will help students become proficient at adding fractions with like and unlike denominators. Learn More » 3836 Votes

Ker-Splash Students collect tokens with variable values and combine like terms. Math strategy is required, because each variable has a secret value that is not revealed until the end of the game. Learn More » 957 Votes

PrimeTime Students choose a random number generator to determine their next move. Points are earned for landing on prime numbers and collecting coins. Determining whether it’s best to use a spinner, dice, or coins requires thinking about probability. Learn More » 453 Votes

Flip-n-Slide Students translate, rotate, and reflect their triangles on a campsite game board. They collect ladybugs for points and fireflies to dilate their triangles. The bigger the triangle, the more points earned. Learn More » 62 Votes

As a service to parents of school-age children, Illuminations is pleased to offer one of NCTM’s signature publications, A Family’s Guide: Fostering Your Child’s Success in School Mathematics, as a free, fully downloadable PDF document.

• A Family’s Guide: Fostering Your Child’s Success in School Mathematics (PDF, 1.4M)
• “Families Ask,” supplement to A Family’s Guide (PDF 140K)