## The Reorganization of Mathematics in Secondary Education: A Report of the National Committee on Mathematical Requirements Under the Auspices of the Mathematical Association of America, IncMathematical Association of America, Incorporated, 1923 - Mathematical Association of America - 650 pages |

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### Popular passages

Page 307 - A girl spent % of her money for car fare, and three times as much for clothes. Half of what she had left was 80 cents. How much money did she have at first?

Page 11 - It must be conceived throughout as a means to an end, not as an end in itself.

Page 9 - The acquisition, in precise form, of those ideas or concepts in terms of which the quantitative thinking of the world is done.

Page 15 - We therefore recommend a reorganization of the school system whereby the first six years shall be devoted to elementary education designed to meet the needs of pupils approximately 6 to 12 years of age; and the second six years to secondary education designed to meet the needs of pupils of approximately 12 to 18 years of age.

Page 61 - If two intersecting planes are each perpendicular to a third plane, their intersection is also perpendicular to that plane.

Page 62 - The sum of the face angles of any convex polyhedral angle is less than four right angles.

Page 61 - If two planes are perpendicular to each other, a line drawn in one of them perpendicular to their intersection is perpendicular to the other.

Page 60 - If from a point without a circle a secant and a tangent are drawn, the tangent is the mean proportional between the whole secant and its external segment.

Page 307 - If you buy 2 tablets at 7 cents each and a book for 65 cents, how much change should you receive from a two-dollar bill?

Page 57 - If a line divides two sides of a triangle proportionally, it is parallel to the third side.