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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. "
How to Become Quick at Figures: Comprising the Shortest, Quickest, and Best ... - Page 115
by D. M. Garret - 1886 - 190 pages
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The Primary Public School Arithmetic: Based on McLellan and Dewey's ...

James Alexander McLellan, Albert Flintoft Ames - Arithmetic - 1898 - 360 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.) 180 AEITHMETIC UNITS OF TIME Measure of Time 60 seconds (sec.) = 1 minute (min.) 60 minutes = 1 hour...
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American Elementary Arithmetic

Middlesex Alfred Bailey - Arithmetic - 1898 - 220 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.). 38. Prove that 144 sq. in. = 1 sq. ft. See p. 68. 39. Prove that 9 sq. ft. = 1 sq. yd. See p. 68. 40....
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Plane and Solid Geometry: Inductive Method

Arthur A. Dodd, B. Thomas Chace - Geometry - 1898 - 468 pages
...marked sq. ft. 9 square feet " 1 square yard, " sq. yd. 30 J square yards " 1 square rod, " sq. rd. 160 square rods " 1 acre, " A. 640 acres " 1 square mile, " sq. mi. 1 square yard — .8361 sq. m. 1 A. = .4047 hectare. CUBIC MEASURE. 1728 cubic inches (cu in.) make...
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Lippincott's Mental Arithmetic: Embracing the Principles of Analysis and ...

James Morgan Rawlins - Mental arithmetic - 1899 - 196 pages
...(sq. ft.). 9 Square Feet = 1 Square Yard (sq. yd.). 30J Square Yards = 1 Square Hod (sq. rd.). 160 Square Rods = 1 Acre (A.). 640 Acres = 1 Square Mile (sq. mi.). The name Rectangle applies to the square and to all other figures with four Kectangle. sides and four...
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Lippincott's Elementary Arithmetic: Embracing the Science and Practical ...

James Morgan Rawlins - Arithmetic - 1899 - 300 pages
...(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.). ORAL EXERCISES. 1. How many square inches in : 1. 2 sq. ft. ? 3 sq. ft. ? 5 sq. ft. ? 10 sq. ft. ?...
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The Public School Mental Arithmetic

James Alexander McLellan, Albert Flintoft Ames - Arithmetic - 1899 - 160 pages
...foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30J square yards = 1 square rod (sq. rd.) 100 square rods = 1 acre (A.) 640 acres = 1 square mile (sq. mi.) UNITS OF VOLUME CUBIC OR VOLUME MEASURE 1728 cubic inches (cu. in.) = 1 cubic foot (cu. ft.) 27 cubic...
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For 6th-8th grade

George Edward Atwood - Arithmetic - 1899 - 392 pages
...square feet . . . = 1 square yard. . sq. yd. 30J sq. yd. ) = 1 s are rod _ _ s rd 272i sq. ft. ) 160 square rods . . = 1 acre .... A. 640 acres = 1 square mile . . sq. mi. 141. A Section of land is a square, mile, and contains 640 acres. 142. Roofing, flooring, and slating...
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The New Elementary Arithmetic

John Williston Cook, Nebraska C. Cropsey - Arithmetic - 1899 - 330 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.). 13. A surface has two dimensions, length and breadth. A plane surface which has four square corners...
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Intermediate Arithmetic

William James Milne - Arithmetic - 1900 - 236 pages
...(sq. ft.). 9 square feet = 1 square yard (sq. yd.). 30* square yards | = rod 2Щ square feet f 160 square rods = 1 acre (A.). 640 acres = 1 square mile (sq. mi.). EXERCISES. 1. How many sq. in. are there in 2 sq. ft. ? In 3 sq. ft. ? 2. How many sq. ft. are there...
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A Mental Arithmetic: By the Inductive Method for Use in Elementary and ...

William Joseph Moran - Arithmetic - 1900 - 198 pages
...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. 61. 1. How many square inches in 2 sq. ft. ? In \ a sq. ft. ? 2. НОЛУ many square feet in 288 sq....
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