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" 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. "
Arithmetic step by step, by H. Combes and E. Hines - Page 43
by Henry Combes - 1866
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A system of arithmetic

John Husband (math. master, Berwick.) - 1841 - 126 pages
...being = 2J inches. SQUARE MEASURE. For estimating the contents of Surfaces. sq. in. 144 Square inches = 1 Square foot, sq. ft. 9 Square feet = 1 Square yard, sq. yd. 30£ Square yards = 1 Square pole. |J sq. po. 40 Square poles = 1 Rood, ro. 4 Roods = 1 Acre, ac. Note — The chain...
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Arithmetic on the Productive System: Accompanied by a Key and Cubical Blocks

Roswell Chamberlain Smith - Arithmetic - 1841 - 324 pages
...its square measure, or, as it is sometimes called, its square contents, as in the following Table : 144 square inches [sq. in.] . make 1 square foot sq. ft. 9 square feet make 1 square yard sq. yd. 30} sq. yd. or 272{ sq. ft. . . make 1 square rod or pole. . . sq. r. 40...
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Arithmetic on the Productive System: Accompanied by a Key and Cubical Blocks

Roswell Chamberlain Smith - Arithmetic - 1842 - 320 pages
...its square measure, or, as it is sometimes called, its square contents, as in the following Table : 144 square inches [sq. in.] . make 1 square foot sq. ft. 9 square feet make 1 square yard sq. yd. 30£ sq. yd. or 272J sq. ft. . . make 1 square rod or pole. . . sq. r. 40...
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A New System of Arithmetic: In which is Explained and Applied to Practical ...

Calvin Tracy - Arithmetic - 1842 - 306 pages
...circumference. X. LAND OR SQUARE MEASURE. TABLE. 144 square inches(sq.in-) make I square foot, . marked sq. ft. 9 square feet .... " 1 square yard, " sq. yd. 30£ square yards ... " 1 square rod, . " sq. rd. 40 square rods .... " 1 square rood,. " R. 4 square roods ... " 1 acre,...
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Arithmetic on the Productive System: Accompanied by a Key and Cubical Blocks

Roswell Chamberlain Smith - Arithmetic - 1843 - 320 pages
...its square measure, or, as it is sometimes called, its square contents, as in the following Table : 144 square inches [sq. in.] . make 1 square foot sq. ft. 9 square feet make 1 square yard sq. yd. 30J sq. yd. or 272^ sq. ft. . . make 1 square rod or pole. . . sq. r. 40...
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Arithmetic, designed for academies and schools, with answers

Charles DAVIES (LL.D.) - Arithmetic - 1843 - 348 pages
...contained in a square foot is equal to 12x12 = 144. TABIE. 144 square inches, sq. in. make 9 square feet 30^ square yards 40 square poles 4 roods 640 acres 1 square foot, Sq.ft. 1 square yard, Sq.yd. 1 square pole, P. 1 rood, - R. 1 acre, - A. 1 square mile, M. ARP...
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A System of Arithmetic, with the principles of logarithms; compiled for ...

Richard Frederick CLARKE (the Elder.) - 1844 - 194 pages
...Artificers' work ; and all dimensions of Length and Breadth only. THE TABLE. 1 44 Square 1nches (sq. in.) 1 Square Foot sq. ft 9 Square Feet 1 Square Yard sq. yd. 30J Square Yards, or > , 272J Square Feet..../ 1 Square Pole sq. po. 40 Poles 1 Rood rd. 4 Roods, or...
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Arithmetic: Designed for Academies and Schools,(with Answers.)

Charles Davies - Arithmetic - 1844 - 356 pages
...foot is equal to 12x12=144. TABtE. 144 square inches, sq. in. make 1 square foot, Sq.ft. 9 square feet 30^ square yards 40 square poles 4 roods 640 acres 1 square yard, Sq.yd. 1 square pole, P. 1 rood, - R. 1 acre, - .tf. 1 square mile, M. ARP Sq. yd. Sq. ft. Sq....
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A New Practical and Theoretical Arithmetic: In which in Addition to the ...

Horatio Nelson Robinson - Arithmetic - 1845 - 310 pages
...square measure is used in measuring land, or anything in which length and breadth are both considered. 144 square inches, sq. in,, . . . make 1 square foot, . sq. ft, 9 square feet 1 square yard,., so. yd. 30j square yards, 1 square pole, . P. 40 square poles, 1 rood, . . . R. 4 roods, 1 acre, ....
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Smith and Duke's The American Statistical Arithmetic: Designed for Academies ...

Francis Henney Smith - Arithmetic - 1845 - 300 pages
...signs. 108* LAND OR SQUARE MEASURE. 144 square inches make 1 square foot. Sign sq. ft. 9 square feet 30} square yards 40 square poles 4 roods 640 acres 1 square yard. Sign sq. yd. 1 square pole. Sign P. 1 rood. Sign R. 1 acre. Sign A. 1 square mile. Sign M. AHP...
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