Books Books
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.
How to Become Quick at Figures: Comprising the Shortest, Quickest, and Best ... - Page 115
by D. M. Garret - 1886 - 190 pages

## For sixth, seventh, and eighth grades

George Edward Atwood - Arithmetic - 1894 - 396 pages
...surfaces. 144 sq. in ..... =1 square foot . . sq. ft. 9 square feet . . . = 1 square yard. . sq. yd. 160 square rods . . = 1 acre .... A. 640 acres ..... = 1 square mile . . sq. mi. 141. A Section of laud is a square mile, and contains 640 acres. 142. Roofing, flooring, and slating...

## The Werner Mental Arithmetic

Albert Newton Raub - Arithmetic - 1894 - 170 pages
...square yards, or ) , . , „ Ğr,r>, „ t ~ 1 square rod or perch, rd. or P. 272^ square feet j 160 square rods = 1 acre, A. 640 acres = 1 square mile, sq. mi. NOTE. — The rood, equal to 40 square rods, is now but seldom used. 1. How many square inches in 2...

## Elements of Arithmetic, Oral and Written, for Lower and Middle Grades

Thomas Rhys Vickroy - Arithmetic - 1895 - 174 pages
...foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30J square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq. mi.) 1 sq. mi. = 640 A. = 102,400 sq. rd. = 3,097,600 sq. yd. = 27,878,400 sq. ft. = 4,014,489,600 sq. in....

## A Mental Arithmetic: Based on Analysis and Induction

George Washington Hull - Arithmetic - 1896 - 152 pages
...square foot, sq. ft. 9 square feet J square yard, sq. yd. 30J square yards = 1 square rod, sq. rd. 160 square rods = 1 acre, A. 640 acres = 1 square mile, sq. mi. EQUIVALENTS : 1 A. = 160 sq. rd. or P. (perches) = 4840 sq. yd. = 43,560 sq. ft. - 6,272,640 sq. in....

## The Werner Arithmetic, Oral and Written, Book Two, Parts I and II, Book 2

Frank H. Hall - Arithmetic - 1896 - 296 pages
...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. mi.). 1 square mile = 1 section. 100 acres = 1 quarter section. 50. CUBIC MEASURE. 1728 cubic inches (cu....

## The Senior Arithmetic for Grammar Schools

Charles Edward White - Arithmetic - 1897 - 312 pages
...yard, sq. yd. 301 square yards ) -, , , 4 ^ • >- = 1 square rod, sq. rd. 272|- square feet ) i 160 square rods = 1 acre, A. 640 acres = 1 square mile, sq. mi. 1 sq. mi. = 640 A. = 102400 sq. rd. = 3097600 sq. yd. 130. A square mile of land is called a Section....

## Higher Arithmetic

Wooster Woodruff Beman, David Eugene Smith - Arithmetic - 1897 - 236 pages
...(sq. ft.). 9 square feet = 1 square yard (sq. yd.). 30J square yards = 1 square rod (sq. rd.). 160 square rods = 1 acre (A.). 640 acres = 1 square mile (sq. mi.). 1 mile square = 1 section. 36 square miles = 1 township. 100 square feet = 1 square (of roofs, etc.)....

## Exercises in Arithmetic

George Albert Wentworth, George Anthony Hill - Arithmetic - 1897 - 476 pages
...(sq. ft.). 9 square feet = 1 square yard (sq. yd.). 30J square yards = 1 square rod (sq. rd.). 160 square rods = 1 acre (A.). 640 acres = 1 square mile (sq. mi.). Measures sometimes used for Special Purposes. 1 rood = 40 eq. rds. 1 square of flooring or roofing...