# The Iroquois Arithmetics: For School and Life, Book 3

Iroquois, 1926 - Arithmetic
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### Contents

 SEVENTH GRADE 1 Addition Drill 12 0 16 SEVENTH GRADE SECOND HALF 91 Division Drill 97 Notes 115 Transferring Money 131 Reading and Writing Num 171
 Cylinders 193 Powers and Roots 205 Tests 216 EIGHTH YEAR 267 Mental Test 273 Lines and Angles 280 Graphs 288 ADDITIONAL TOPICS 327

 Short Methods 178 Measures 184

### Popular passages

Page 150 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30| square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Page 187 - CUBIC MEASURE 1728 cubic inches (cu. in.) = 1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu. yd.) 128 cubic feet = 1 cord (cd...
Page 157 - A Circle is a plane figure bounded by a curved line every point of which is equally distant from a point within called the center.
Page 160 - To find the area of a circle, multiply the square of the diameter by .7854.
Page 337 - Measures of Length. 10 millimeters (mm.) 1 centimeter (cm.) 10 centimeters 1 decimeter (dm.) 10 decimeters 1 meter (m.) 10 meters 1 dekameter (Dm.) 10 dekameters 1 hectometer (Hm.) 10 hectometers 1 kilometer (Km.) 10 kilometers 1 myriameter (Mm.) 1181.
Page 15 - Multiplying or dividing both terms of a fraction by the same number does not change the value of the fraction.
Page 341 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet — 1 square yard (sq. yd.) 30^ square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Page 45 - ... to find a number when a per cent of it is given.
Page 23 - Multiply as in the multiplication of integers, and point off" as many decimal places in the product as there are decimal places in both multiplicand and multiplier.
Page 115 - PROMISSORY NOTE. — A written promise to pay a certain sum of money unconditionally, at a specified time.