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. A Grammar Shcool Arithmetic - Page 174
by George Albert Wentworth - 1886 - 372 pages ## The Table-book and Mental Systematic Arithmetic for Beginners

David Henry Cruttenden - Arithmetic - 1854 - 70 pages
...roods, square rods, square yards, square feel, and square inches. ч 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. 40 square rods " 1 rood R. 4 roods " 1 acre A. 640 acres "... ## Elements of arithmetic for the use of schools

William Scott - Arithmetic - 1854 - 230 pages
...degree llink 1 chain 3. SQUARE MEASURE. 144 square lines =1 square inch (sq. in.) 144 square inches =1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30J square yards = 1 square pole (sq. po.) 40 square poles = 1 rood (rd.) 4 roods = 1 acre (ac.) Also,—... ## An Elementary Intellectual Arithmetic: Containing Numerous Original ...

Daniel Leach - Arithmetic - 1855 - 180 pages
...how many steps will he take in going to school ? Square Measure is used in measuring surfaces. TABLE. 144 Square Inches (sq. in.) . . = 1 Square Foot . sq. ft. 9 Square Feet = 1 Square Yard sq. yd. 30J Sq. Yds., or 272| Sq. Ft. . = 1 Square Rod . sq. r. 40 Square Rods = 1 Rood .... R 4 Roods = 1... ## A Theoretical and Practical Arithmetic ...

Daniel Leach - 1857 - 314 pages
...660 = 220 = 40 = 1 63360 = 5280 = 1760 = 320 = 8 190080 = 15840 = 5280 = 960 = 24 Square Measure. • 144 square inches (sq. in.) = 1 square foot, sq. ft. 9 square feet = 1 square yard. sq. yd. 30±sq.yds.,272±sq. ft., = 1 square rod, sq. r. 40 square rods = 1 rood, . . R. 4 roods = 1 acre,... ## A Mental Arithmetic Upon the Inductive Plan: Being an Advanced Intellectual ...

Benjamin Greenleaf - Arithmetic - 1858 - 186 pages
...what cost 5 yards ? LESSON XXII. TABLE OF SURFACE, OR SQUARE MEASURE. 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 or pole, p. 40 Square rods " 1 Rood, R. 4 Roods " 1 Acre, A. 640 Acres... ## The Progressive Intellectual Arithmetic, on the Inductive Plan: Being a ...

Horatio Nelson Robinson - 1859 - 190 pages
...In 123 nails, how many yards ? 31. TABLE OP LAND OB SQUARE MEASURE. 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, P. 40 square rods " 1 rood, R. 4 roods " 1 acre, A. 640 acres " 1 square mile, Sq.... ## Arithmetic for High Schools: Containing the Elementary and the Higher ...

James B. Dodd - Arithmetic - 1859 - 370 pages
...inches; 2 in. long and 2 in. wide makes 4 square inches; and so on. Hence 144 square inches (sq. in) make 1 square foot, sq. ft 9 square feet 1 square yard, sq. yd 30-J- square yards 1 perch or sq. rod, P. 40 perches 1 rood, R. 4 roods 1 acre, A. An inch square is... ## A Mental Arithmetic, Upon the Inductive Plan

Benjamin Greenleaf - Mental arithmetic - 1860 - 164 pages
...what cost 5 yards ? LESSON XXII. TABLE OF SURFACE, OR SQUARE MEASURE. 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 or pole, p. 40 Square rods " 1 Rood, R. 4 Roods " 1 Acre, A. 640 Acres " 1 Square mile,... ## The Progressive Intellectual Arithmetic on the Inductive Plan: Being a ...

Horatio Nelson Robinson - Arithmetic - 1860 - 192 pages
...La 123 nails, how many yards ? 31. TABLE OF LAND OK SQUARE MEASUKE. 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, P. 40 square rods " 1 rood, R. 4 roods " 1 acre, . A. 640 acres " 1 square mile, Sq.M.... 