http://www.sharinglinks.com/tags/grades|numbers Recent Grades|numbers bookmarks posted to SharingLinks.com. SharingLinks.com is an online bookmark manager and a community of parents and teachers. 60 http://www.enchantedlearning.com Thousand of printables from preschool to late elementary. All subjects, including foreign languages tfleming18 Sun, 27 May 2007 00:28:32 +0000 alphabets art colors dutch elementary foreign languages french german holidays italian math music numbers portuguese preschool printable books russian science seasons shapes social studies swedish http://www.preschoolexpress.com/ Preschool activities site tfleming18 Sat, 26 May 2007 23:53:08 +0000 alphabet crafts numbers preschool songs http://www.first-school.ws/ A site for preschool activities tfleming18 Sat, 26 May 2007 23:51:33 +0000 alphabets crafts kindergarten numbers preschool http://www.surfnetkids.com/countingmoney.htm Pennies, nickels, dimes and quarters: can you count them? Can you give change? Money-counting skills require practice, and these online money-counting games make it fun. surfnetkids Wed, 21 Feb 2007 10:00:00 +0000 count grades kids money prek-k surfnetkids teachers http://www.aplusmath.com/cgi-bin/flashcards/money "How much money is here?" Aplusmath's interactive money-counting flash cards present one problem at a time, using dollar bills, quarters, dimes, nickels and pennies. surfnetkids Wed, 21 Feb 2007 10:00:00 +0000 count grades money prek-k http://www.aplusmath.com/Worksheets/OnlineMoney.html "Can you choose coins that add up to an amount of money?" As coins fall from the top of the screen, click on them to reach your goal. surfnetkids Wed, 21 Feb 2007 10:00:00 +0000 count grades money prek-k http://www.funbrain.com/cashreg/ This time you earn money in a virtual piggy bank by calculating change. surfnetkids Wed, 21 Feb 2007 10:00:00 +0000 count grades money prek-k http://www.little-g.com/shockwave/cents.html Count the various coins, and enter your answer on the calculator using your keyboard or your mouse. surfnetkids Wed, 21 Feb 2007 10:00:00 +0000 count grades money prek-k http://www.playtolearn.com/countmoney/count_money_main.asp Vary the difficulty of this exercise by selecting how many coins and bills to count (three to eight) and the largest denomination you want to include (from a quarter up to a twenty-dollar bill. surfnetkids Wed, 21 Feb 2007 10:00:00 +0000 count grades money prek-k http://www.surfnetkids.com/primenumbers.htm An integer (greater than one) is prime if the only whole numbers it can be divided by (without a remainder) are itself and one. All other integers are composite. In other words, a prime number has only two positive factors. Composite numbers have more. Fo surfnetkids Wed, 21 Feb 2007 10:00:00 +0000 kids numbers prime surfnetkids teachers http://www.faust.fr.bw.schule.de/mhb/eratclass.htm Eratosthenses was a Greek mathematician who figured out that to find all the prime numbers between two and some large number, you need to remove all the multiples of each number between two and your large number. surfnetkids Wed, 21 Feb 2007 10:00:00 +0000 numbers prime http://mathforum.org/dr.math/faq/faq.prime.num.html "A prime number is a positive integer that has exactly two positive integer factors, 1 and itself. surfnetkids Wed, 21 Feb 2007 10:00:00 +0000 numbers prime http://www.factmonster.com/ipka/A0876084.html Fact Monster begins with a short prime number lesson, and a table of all the prime numbers between 1 and 1000. surfnetkids Wed, 21 Feb 2007 10:00:00 +0000 numbers prime http://mathforum.org/isaac/problems/prime1.html For middle school and high school students, this Math Forum goes behind simple prime number definition, and introduces both Euclid's theory of prime numbers (which has been proven) and Goldbach's Conjecture (which hasn't. surfnetkids Wed, 21 Feb 2007 10:00:00 +0000 numbers prime http://www.utm.edu/research/primes/ Our last site of the day is the most comprehensive. surfnetkids Wed, 21 Feb 2007 10:00:00 +0000 numbers prime