Every Man His Own Teacher: Or, Lancaster's Theory of Education, Practically Displayed; Being an Introduction to Arithmetic, Written in Thirteen Parts. To which are Annexed Thirty-two Cards of Lessons, to be Suspended in the School-room Conformably to the Lancaster Plan ... |
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Page 219
... diameter , that is , the breadth across the middle , was 5 ft . 9 in . and the thickness 13 inches ; how many solid feet in the wheel ? Answer , 28 . RULE . 1. Multiply the square of the diameter by .7854 the product will be the ...
... diameter , that is , the breadth across the middle , was 5 ft . 9 in . and the thickness 13 inches ; how many solid feet in the wheel ? Answer , 28 . RULE . 1. Multiply the square of the diameter by .7854 the product will be the ...
Page 220
... diameter of any circle by .7854 , the product will be the superficial content . LESSON 5 . How many solid feet in a well that is 8 feet across and 30 feet deep ? Ans . 1507 ft . 11 in . 8 feet the diameter multiplied by itself . 8 64 ...
... diameter of any circle by .7854 , the product will be the superficial content . LESSON 5 . How many solid feet in a well that is 8 feet across and 30 feet deep ? Ans . 1507 ft . 11 in . 8 feet the diameter multiplied by itself . 8 64 ...
Page 329
... diameter ; consequently the Square Root of that product will be the diameter . EXAMPLE . The area of a circle contains 113.09 superficial inches ; how long is the diameter ? Ans . 11.999 inches , or 12 inches nearest . * Diameter is the ...
... diameter ; consequently the Square Root of that product will be the diameter . EXAMPLE . The area of a circle contains 113.09 superficial inches ; how long is the diameter ? Ans . 11.999 inches , or 12 inches nearest . * Diameter is the ...
Page 330
... diameter of a circle given to make another circle 2 , 3 or 4 times greater . RULE 1 . Multiply the square of the diameter by the given pro portion , and extract the square root of that product for an answer . EXAMPLE 1 . If the diameter ...
... diameter of a circle given to make another circle 2 , 3 or 4 times greater . RULE 1 . Multiply the square of the diameter by the given pro portion , and extract the square root of that product for an answer . EXAMPLE 1 . If the diameter ...
Page 331
... diameter and circumference of a circle the one from the other . Multiply the diameter by 3.1416 . the product will be the circumference : Therefore , Divide the circumference by 3.1416 and the quotient will be the diameter . NOTE 2 ...
... diameter and circumference of a circle the one from the other . Multiply the diameter by 3.1416 . the product will be the circumference : Therefore , Divide the circumference by 3.1416 and the quotient will be the diameter . NOTE 2 ...
Common terms and phrases
100 dollars 50 cents acres Albany amount annex Answer in words ARITHMETIC Avoirdupois Baltimore begin borrow boys breadth bush bushels ciphers common multiplier Compound cost decimal diameter divide dividend Division divisor eight equal EXAMPLE farthings five foot four fourth number fourth term fractions gallons given sum half hundredths inches wide interest INTRODUCTION TO ARITHMETIC KEY TO CARD left side length LESSON 11 Lesson 1st Lesson 3rd Lesson 4th LESSON 9 Long Division Lynchburg monitor Multiplicand New-York OPERATION ounces pence poles pounds principal PROOF OF LESSON proportion quantity quotient and multiply rate per cent Reduce remain remain-carry require right side rods RULE scholars second column second term set down 9 seven shillings slates Square Root subtract superficial content Suppose tare Teacher tenths third term thousand thousandths twice Washington city wheel whole numbers yards
Popular passages
Page 254 - ... when the third term is less than the first, and requires the fourth to be greater than the second...
Page 253 - Multiply the first and second terms together, and divide the product by the third ; the quotient will be the answer in the same denomination as the middle term was reduced into.
Page 203 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...
Page 38 - Frequent or old offenders are yoked together sometimes, by a piece of wood that fastens round all their necks: and, thus confined, they parade the school, walking backwards — being obliged to pay very great attention to their footsteps, for fear of running against any object that might cause the yoke to hurt their necks, or to keep from falling down.
Page 2 - Congress of the United States, entitled "an act for the encouragement of learning, by securing the copies of maps, charts, and books, to the authors and proprietors of such copies, during the time therein mentioned." And also to an act entitled "an act supplementary to an act entitled an act for the encouragement of learning, by securing the copies of maps, charts, and books, to the authors and proprietors of such copies, during the times therein mentioned, and extending the benefits thereof to the...
Page 236 - Minute, . 60 Minutes. ..." 1 Degree, ... " °. 30 Degrees . . . . " 1 Sign, ... " s. 12 Signs, or 360 Degrees, the whole great Circle of the Zodiac.
Page 247 - Sir," said I, after puzzling a long time over "more requiring more and less requiring less" — "will you tell me why I sometimes multiply the second and third terms together and divide by the first — and at other times multiply the first and second and divide by the third?" "Why, because more requires more sometimes, and sometimes it requires less — to be sure. Haven't you read the rule, my boy?" " Yes, sir, I can repeat the rule, but I don't understand it.
Page 50 - Los números cardinales 0: zero 1: one 2: two 3: three 4: four 5: five 6: six 7: seven 8: eight 9: nine 10: ten 11: eleven 12: twelve 13: thirteen 14: fourteen 15: fifteen 16: sixteen 17: seventeen 18: eighteen 19: nineteen 20: twenty...
Page 207 - Square Measure 144 square inches = 1 square, foot 9 square feet = 1...
Page 37 - This machine may weigh from four to six pounds, some more and some less. The neck is not pinched or closely confined — it is chiefly burthensome by the manner in which it encumbers the neck, when the delinquent turns to the right or left. While it rests on his shoulders, the equilibrium is preserved; but...