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492 is close to 500, which is easy to multiply by. Add and subtract 8 (the difference between 500 and 492) to get 492 -> 484, 500. Multiply these numbers together to get 242,000 (This can be done efficiently by dividing 484 by 2 = 242 and multiplying by 1000). Finally, add the difference (8) squared (8 2 = 64) to the result: 492 2 = 242,064
Scott Flansburg (born December 28, 1963) is an American dubbed "The Human Calculator" and listed in the Guinness Book of World Records for speed of mental calculation.He is the annual host and ambassador for The National Counting Bee, a math educator, and media personality.
Cases in point are technical training situations such as training of military recruits and high school mathematics. One specific type of intelligent tutoring system, the Cognitive Tutor , has been incorporated into mathematics curricula in a substantial number of United States high schools, producing improved student learning outcomes on final ...
Are You Smarter Than a 5th Grader?: Math — Because Numbers Don’t Lie . What type of angle measures exactly 90 degrees? Answer: Right Angle. How many sides are there in an octagon?
The mathematics portal is a good "way in" to mathematics articles on Wikipedia. If you are in doubt, ask at the mathematics reference desk. No one on Wikipedia is going to do your math homework for you, but if you ask the right question they might point you to some information that will enable you to do it for yourself.
Advanced class – Used for a student who is notably advanced in a single subject. This involves changing a student's class assignment for that single subject. For example, an eighth-grade student might take a math class with ninth graders, but the rest of the student's classes are with the age-typical peers.
In math, Compton's proficiency rate was 36.7%, compared to 34.6% for L.A. Unified and 36.9% for California. “Even though we gained, and we celebrate the gains, at the end of the day we all know ...
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