# Math

The Math Worksheet Site.com. PSSA Released Items. Interactives. How Khan Academy Is Changing the Rules of Education. Matthew Carpenter, age 10, has completed 642 inverse trigonometry problems at KhanAcademy.org.Photo: Joe Pugliese “This,” says Matthew Carpenter, “is my favorite exercise.”

I peer over his shoulder at his laptop screen to see the math problem the fifth grader is pondering. It’s an inverse trigonometric function: cos-1(1) = ? Carpenter, a serious-faced 10-year-old wearing a gray T-shirt and an impressive black digital watch, pauses for a second, fidgets, then clicks on “0 degrees.” Presto: The computer tells him that he’s correct. Carpenter, who attends Santa Rita Elementary, a public school in Los Altos, California, shouldn’t be doing work anywhere near this advanced. But last November, Thordarson began using Khan Academy in her class. Initially, Thordarson thought Khan Academy would merely be a helpful supplement to her normal instruction. “I’m able to give specific, pinpointed help when needed,” she says. The result is that Thordarson’s students move at their own pace. Free Homework Help Videos from Brightstorm - Math, Science, Test Prep - Brightstorm.

What is FHSST? Interactive Mathematics Miscellany and Puzzles. National Library of Virtual Manipulatives. StudyJams. Sign in -or- Register.

Activities. Prepdog.com. High School OGT Test Information, 9th, 10th Grade. Enter the radius square feet Enter the length of one side Enter the height of one side square feet Enter the length of one side square feet Enter the length of the base Enter the height square feet Back to top of page and Benchmarks Directory.

Below is an animated proof of the Pythagorean Theorem. Starting with a right triangle and squares on each side, the middle size square is cut into congruent quadrilaterals (the cuts through the center and parallel to the sides of the biggest square). And shifted to the big square. The remaining middle part of the biggest square. The squares on the smaller two sides equals the square on the biggest side.

Afterward, the small square is translated back and the four quadrilaterals are directly translated back to their original position. This animated gif was supplied by Professor Mark Meyerson of the United States Naval Academy. OGT Mentor (a division of MCAS Mentor™) PO Box 101 Marblehead, MA 01945. Lessons « Mathalicious. The Waiting Game How many people should you date before you settle down?

Students use modeling with probability distributions to come up with a rule to try to maximize their relationship happiness. Topic: Conditional Probability and the Rules of Probability (CP), Making Inferences and Justifying Conclusions (IC) The Reel Deal How has the length of popular movies changed over time? Topic: Statistics and Probability (SP) Bracketology What are the odds of creating the best March Madness bracket? Khan Academy. Algebra: The Supplement. Geometry: The Supplement. Fun Kids Online Math Games. "Sheppard offers everything from early math to pre-algebra.

The lessons include interactive activities to practice concepts. Students can shoot fruit, pop balloons, and even play math man (the math version of pac man!). Fractions, place value, money, and basic operations are some of the areas that are covered. Check it out at " --Shannon Jakeman , sjakeman.blogspot.com "Online math games, like the ones that you'll find for free at Sheppard Software, provide a valuable opportunity for children to learn a great deal while they're having fun. It can be very difficult for parents to find productive and worthwhile activities for children on the Internet; however fun online math games do offer a wonderful alternative. This free section of Sheppard Software was written for children. From the main page parents or children will find a simple and easy to navigate menu featuring the different levels of math games and the various math concepts that are available.