Mathematics for Common Schools: A Manual for Teachings, Including Definitions, Principles, and Rules and Solutions of the More Difficult ProblemsD.C. Heath & Company, 1895 - 312 σελίδες |
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Σελίδα 67
... feet or inches . 2. 18 yd . by 21 yd . 8. 18 yd . by 2 yd . 9 . 16 yd . by 15 yd . 3. 2 yd . by 3 yd . 7. 9 yd . by 32 yd . 682. No. 14. 14 yd . by yd . 10. 1 yd . by 24 yd . No. 15. 8 pieces , each 36 yd . long and 3 yd . , or & yd ...
... feet or inches . 2. 18 yd . by 21 yd . 8. 18 yd . by 2 yd . 9 . 16 yd . by 15 yd . 3. 2 yd . by 3 yd . 7. 9 yd . by 32 yd . 682. No. 14. 14 yd . by yd . 10. 1 yd . by 24 yd . No. 15. 8 pieces , each 36 yd . long and 3 yd . , or & yd ...
Σελίδα 78
... 10 ft . , and the sides as 180 ft . each by 10 ft . The number of square feet in the sidewalk of 17 will be ( 270 × 220 ) -- ( 250 × 200 ) ; or ( 270 × 10 ) + ( 270 × 10 ) + ( 200 × 10 ) + ( 200 × 10 ) . 78 MANUAL FOR TEACHERS.
... 10 ft . , and the sides as 180 ft . each by 10 ft . The number of square feet in the sidewalk of 17 will be ( 270 × 220 ) -- ( 250 × 200 ) ; or ( 270 × 10 ) + ( 270 × 10 ) + ( 200 × 10 ) + ( 200 × 10 ) . 78 MANUAL FOR TEACHERS.
Σελίδα 100
... feet by multi- plying by 27. Instead of performing the different multiplications , they are merely indicated , so that work may be saved by can- celing . Although 2 should be a simple problem for a bright pupil , it is apt to prove ...
... feet by multi- plying by 27. Instead of performing the different multiplications , they are merely indicated , so that work may be saved by can- celing . Although 2 should be a simple problem for a bright pupil , it is apt to prove ...
Σελίδα 101
... feet = 320 × 160 × 11⁄2 . 12. ( 320 × 160 × 11 ) ÷ ( 15 × 32 ) . = 13. Number of square feet originally = 640 x 440. For build- ing purposes , there will be four pieces , each measuring 300 ft . by 200 ft . 14. The difference between ...
... feet = 320 × 160 × 11⁄2 . 12. ( 320 × 160 × 11 ) ÷ ( 15 × 32 ) . = 13. Number of square feet originally = 640 x 440. For build- ing purposes , there will be four pieces , each measuring 300 ft . by 200 ft . 14. The difference between ...
Σελίδα 102
... of $ 150 . 22 . 1 % of $ 275 . 23. 2 % of $ 360 . 879. 1. 30 rd . 5 yd . 1 ft . = 511 ft .; 8 rd . 4 yd . 2 ft . = 146 ft .; 1484. Ans . 2. Number of feet deep ( 36 x 5 ) + ( 6 × 4 ) . = 3. 3 mi . 96 rd . = 1056 rd 102 MANUAL FOR TEACHERS.
... of $ 150 . 22 . 1 % of $ 275 . 23. 2 % of $ 360 . 879. 1. 30 rd . 5 yd . 1 ft . = 511 ft .; 8 rd . 4 yd . 2 ft . = 146 ft .; 1484. Ans . 2. Number of feet deep ( 36 x 5 ) + ( 6 × 4 ) . = 3. 3 mi . 96 rd . = 1056 rd 102 MANUAL FOR TEACHERS.
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acres algebraic altitude amount angle answer apothem Arithmetic base bisecting calculate Cancel cents chord ciphers circle circumference common fraction construct contains convex surface cost days of grace deducting diameter difference discount dividend dividing division draft draw drawn employed equal equation examples exercises factors figure frustum given gives greatest common divisor Heart of Oak hypotenuse improper fraction inches interest intersecting least common multiple length measure method minuend mixed numbers multiplying NOTES ON CHAPTER number of degrees number of square obtain par value payment perpendicular pounds principal problems profits protractor pupils quarts quotient radius rectangle reduce remaining result rhombus right-angled triangle rods RULE scholars selling price side slant height solve subtract subtrahend teacher whole number write yards