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Square Measure 144 square inches (sq. in.) = 1 square 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.
Robinson's New Practical Arithmetic for Common Schools and Academies - Page 171
by Horatio Nelson Robinson - 1892 - 416 pages

## New Elementary Arithmetic, Embracing Mental and Written Exercises for ...

Henry Bartlett Maglathlin - Arithmetic - 1876 - 230 pages
...159. Surface or Square Measure is used in measuring surfaces. Table. 144 square inches (sq. in.) are 1 square foot, sq. ft. 9 square feet, 1 square yard, sq. yd. 30J square yards, 1 square rod or perch, P. 160 square rods or perches, 1 acre, A. 640 acres, 1 square...

## Robinson's Progressive Practical Arithmetic: Containing the Theory of ...

Horatio Nelson Robinson, Daniel W. Fish - Arithmetic - 1877 - 374 pages
...inches. A board 20 in. long and 10 in. wide is a rectangle, containing 20 x 10 = 200 square inches. 196. Square Measure is used in computing areas or surfaces...Foot sq. ft. 9 Square Feet " 1 Square Yard sq. yd. 80} Square Yards " 1 Square Rod sq. rd. 160 Square Hods " 1 Acre A. 640 Acres " 1 Square Mile sq. mi....

## The Rudiments of Written Arithmetic: Containing Slate and Black-board ...

Horatio Nelson Robinson - Arithmetic - 1877 - 210 pages
...having a uniform length and a uniform breadth, is found, by multiplying the length by the breadth. 144. Square Measure is used in computing areas or surfaces.............. . sq. ft. 9 Square Feet " 1 Square Yard ............ Bq. yd. 30} Square Yards " 1 Square Bod ............. sq. rd. 160 SquareRods " 1 Acre...

## The Rudiments of Written Arithmetic: Containing Slate and Black-board ...

Horatio Nelson Robinson - Arithmetic - 1877 - 212 pages
...having a uniform length and a uniform breadth, is found, by multiplying the length by the breadth. 144. Square Measure is used in computing areas or surfaces...(sq. In.) make 1 Square Foot sq. ft. 9 Square Feet 30} Square Yards 160 Square Rods 640 Acres •q. mi. 1 Square Yard sq. yd. 1 Square Rod sq. rd 1 Acre...

## The Common School Arithmetic ...

James S.. Eaton - 1877 - 342 pages
...of 50 links is used. 100. For what is Square Measure wed? Tabit? Scale? TMble in Chiln Meuun ? NotoT 144 Square Inches (sq. in.) make 1 Square Foot, sq....Square Feet " 1 Square Yard, sq. yd. 30^ Square Yards or) 272£ Square Feet ) " 1 Square Rod, sq. rd. 40 Square Rods " 1 Rood, r. 4 Roods " 1 Acre, a. 640...

## The Elements of Written Arithmetic: Combining Analysis and Synthesis ...

James Stewart Eaton - 1877 - 200 pages
...— 3, the breadth, and 15 -=3 =. 5, the length, 109. SQUARE MEASURE is used for measuring surfaces. TABLE. 144 Square Inches (sq. in.) make 1 Square Foot,...sq. ft. 9 Square Feet ' 1 Square Yard, sq. yd. 30 J Square Yards or "» 272J Square Fejt J 40 Square Eods 4 Boods 640 Acres (a) Also in CHAIN MEASURE,...

## The New American Arithmetic, Volume 2

Samuel Mecutchen - 1877 - 128 pages
...Square Measure are square miles, acres, square rods, square yards, square feet, and square inches. 144 square inches (sq. in.) make 1 square foot, (sq. ft.) 9 square feet make 1 square yard, (sq. yd.) 30J square yards make 1 square rod, (sq. rd.) 1 60 square rods make 1...

## The Practical Arithmetic on the Inductive Plan: Including Oral and Written ...

William James Milne - Arithmetic - 1877 - 402 pages
...in a square yard? Square yards in a square rod? SQUARE MEASURE. TABLE. 144 Square Inches (sq. in.) = 1 Square 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...