Take a Number : Mathematics for the Two Billion

240 Pages·1946·6.165 MB·English

by  Lillian R. Lieber, Hugh Gray Lieber

Po
oS
Pe
,
> + rc
RSON «»
pie.O F ED 1 CO
A—D VA NU c CEA TPIROONGG RRAAMM

TAKE A NUMBER

TAKE A NUMBER
Mathematics for the Two Billion
WORDS BY
BigeLANGK: LIEBER
DRAWINGS BY
HUGH GRAY LIEBER
THE RONALD PRESS COMPANY
NEW YORK
Copyright 1946 by H. G. L. R. LreBer
All rights reserved. No portion of this book may
be printed without permission of the author
and artist.
Library of Congress Catalog Card Number: 47-1469
PRINTED IN THE UNITED STATES OF AMERICA
TABLE OF CONTENTS
. Why Should You Study Mathematics?
ve Mathematics Made Easy
III. The Equipment
IV. The Rules of the Game
. How the Game Is Played
VI. Addition
VI. Subtraction
VIII. Rapid Progress
Some Applications
IX.
. Multiplication and Division
Multiplication and Division with Letters
XI.
Where Do We Go from Here?
XII.
Zero
XIII.
The Finishing Touches 104
XIV.
A Few Easy Steps [20
XV.
Some Practical Problems
XVI. 137
Generalizing! 150
XVII.
Algebra and Geometry Help Each Other! 161
XVIII.
Taking Stock 183
XIX.
Try Your Skill Ig!
XX.
Formulas 201
Answers 214
‘witernedtelt qhav2 uot sino il
ay ~ yvaall shal ee:
hoot dT am
he?) of 0 luk ofT
= twas
beryl 2] pam sds, molt os¥
a noibbA- ®t
_ suede
a0 > Loa sor bigot St
bs at oe ofan oor sa
Chdiae mote oilegs Mae
aston dire anieretd baa sce
'wisht or ou s¥v kas
eoee e
a. ~
a]
fi ie
wdouok onidscibel ”y p
eqni?. val wit kn 7
> ‘ ie} bea | 1 soar —
—— Saptheifieraee+n. |
ie > waht
TyoAyOr ioget Sia b yisersornD ina a Ai =
ent: Lae r
ihiste’ wot x
- sheeeng <