Want to help your seventh-grader master math? Here are some of the skills your child will be learning in the classroom in seventh grade. At a “25% Off” sale, Marissa buys a skirt for $40.50. What was ...

Editor’s Note: Published in 1959, this article comes from Martin Gardner’s legendary Scientific American column Mathematical Games. Read more classic Mathematical Games articles in our 2024 special ...

From Monopoly to Backgammon to Yahtzee, our first experiences with board games almost always feature sets of six-sided dice. They’re a great way to create some randomness and chaos in a game, but ...

Vol. 23, No. 3, Statistics and Geography (Sep. - Dec., 1974), pp. 157-177 (21 pages) The use of inferential techniques and probability models in geography are reviewed. The use of inference appears to ...