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 Access our PDF files from the list below. Files contain lessons on the Base Ten system, place value, decimals, fractions, and math language development. [Subscribe to Changes to get alerts to new content.]A great overview of numeration & math language by Dr. Steve Chrisomalis,a linguistic anthropologist at Wayne State University-Detroit:     Numerals & Numeration:  http://phrontistery.info/numerals.html     Number Prefixes:  http://phrontistery.info/numbers.html  (Greek and Latin)See our Money lessons here:http://www.dyscalculia.org/math-tools/moneyNOTE ABOUT REALISTIC TEACHING MONEYLife-like bills are highly recommend because learning disabled students have great difficulty generalizing or applying  practice to real-life situations. Learning the basic concepts using real coins and life-like bills, will assure that understanding is transferred to real problem solving. Play money and plastic coins and counters are of limited value to dyscalculic students. Obviously, the life-like bills used here are solely intended to illustrate place value in the base-10 system. There are federal rules concerning reproductions of actual US currency.  (a) In general, photocopies of currency must be sized < 75% or > 1.5 times the original.  (b) Must be one-sided. (c) Money rules: http://www.moneyfactory.gov/resources/lawsandregulations.htmlUS Bills in general circulation today: \$1, \$2, \$5, \$10, \$20, \$50, \$100.  (a) Denominations last printed in 1945: \$500; \$1,000; \$5,000; \$10,000; \$100,000.  (b) Circulation of these larger denominations was discontinued in 1969, for lack of use.  (c) The US Treasury never issued bills larger than \$100,000.
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Feb 3, 2016, 6:27 PM Renee Newman Dyscalculia org
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Realistic Teaching Money bills: \$1, \$10, \$100, \$1000, \$10000, \$100000, \$1M, \$10M, \$100M, \$1B, \$10B, \$100B, \$1T, \$10T, \$100T, \$1 quadrillion.  Apr 4, 2016, 9:38 AM Renee Newman Dyscalculia org
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