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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. mi.) Cubic Measure 1728 cubic inches (cu.
Resident and Business Directory of Tiverton, Little Compton, Portsmouth ... - Page 208
1910

## The Model Mental Arithmetic: Containing Oral Exercises for Graded and ...

Edgar Arthur Singer - Mental arithmetic - 1876 - 198 pages
...144 square inches (sq. in.) are 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. mi. In measuring land, IS square rods are 1 Bquare chain (sq. ch.), and...

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

Horatio Nelson Robinson - Arithmetic - 1877 - 212 pages
...TABLE. 144 Square Inches (sq. in.) make 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. mi. UNIT EQUIVALENTS. sq. ft. sq. in. sq. yd. 1 = 144 sq. rd. 1 = 9 = 1276...

## Manual of Intellectual Arithmetic: An Independent Treatise Upon the Basis of ...

Benjamin Greenleaf - Arithmetic - 1877 - 164 pages
...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, sq. rd. 160 square rods, 1 acre, A. 640 square acres, 1 square mile, sq. m. 73. 1. How many square inches «| in 1 square foot ? In 1 twelfth...

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

Horatio Nelson Robinson, Daniel W. Fish - Arithmetic - 1877 - 372 pages
...TABLE. 144 Square Inches (sq. in.) make 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. mi. UNIT EQUIVALENTS. sq. ft. sq. in. sq. yd. 1 = 144 sq. rd. 1 = 9 = 1296...

## Ray's New Practical Arithmetic: A Rev. Ed. of the Practical Arithmetic

Joseph Ray - Arithmetic - 1877 - 402 pages
...144 square inches make 1 square foot, marked sq. ft. 9 square feet " 1 square yard, " sq. j'd. 30J- square yards " 1 square rod, " sq. rd. 160 square rods " 1 acre, A. 640 acres " 1 square mile, " sq. mi. 1. Reduce 8 sq. yd. to square inches. 10368 sq. in. 2. .Reduce 4 A....

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

William James Milne - Arithmetic - 1877 - 402 pages
...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. mi. sq. mi. A. sq.rd. sq. yd. sq.ft. sq.in. 1 = 640 = 102400 = 3097600...

## Complete Arithmetic: Theoretical and Practical

William Guy Peck - Arithmetic - 1877 - 430 pages
...inches (sq. in.) make 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. It is found convenient in practice to reduce square yards, square feet, and square inches, to quarter...

## A Graded Spelling-book, Being a Complete Course in Spelling for Primary and ...

Henry Francis Harrington - Spellers - 1880 - 208 pages
...144 square inches (sq. in.) = 1 square foot (sq. ft.). 9 square feet = 1 square yard (sq. yd.) 30i square yards = 1 square rod (sq. rd.). 160 square rods = 1 acre (A.). 12 inches (in ) — 1 foot (ft.). 220 yards 8 feet = 1 yard (yd.). 1760 yan 5£ yards = 1 rod (rd.)....