Our Math Glossary

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small cliques of people in several countries are able to prepare and plan as needed. Because the majority are not awake to what t hat minority are doing (not least because of the distractions, likes and misinformation in the Press), the majority suf fers horribly. 4/28/11

A ratio that compares different kinds of units. Example: 10 km per 2 hours or 5 km per hour comparing km to hours Ratios girls 13 boys 15 (written 3 ways for each) ratio of girls to boys is 13 to 15 or 13/15 or 13:15 ratio of girls to total is 13 to 28 or 13/28 or 13:28 Ray part of a line, with one endpoint, and extending to infinity in one direction.

Reciprocal The number which, when multiplied times a particular fraction, gives a result of 1. Example: 3/4 x 4/3 = 12/12 which equals 1 Rectangle A quadrilateral with four 90-degree angles.

PreProposal Letter 41

Our symbols 4 1


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