A Complete Arithmetic ...Werner School Book Company, 1899 - 447 σελίδες |
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Σελίδα 34
... ) Change 5.18 tons to lb. ( k ) Change 1.48 tons to lb. ( j ) 3.72 tons . ( 1 ) 2.324 tons . ( m ) At a cent a pound , find the cost of 3.45 tons of scrap iron . A right angle MEASUREMENTS . An acute angle An obtuse 34 COMPLETE ARITHMETIC .
... ) Change 5.18 tons to lb. ( k ) Change 1.48 tons to lb. ( j ) 3.72 tons . ( 1 ) 2.324 tons . ( m ) At a cent a pound , find the cost of 3.45 tons of scrap iron . A right angle MEASUREMENTS . An acute angle An obtuse 34 COMPLETE ARITHMETIC .
Σελίδα 35
Frank H. Hall. A right angle MEASUREMENTS . An acute angle An obtuse angle 1. When two lines meet at a point , they are said to form an angle . 2. When a jackknife is half way open , the handle and blade form a right angle . If it is ...
Frank H. Hall. A right angle MEASUREMENTS . An acute angle An obtuse angle 1. When two lines meet at a point , they are said to form an angle . 2. When a jackknife is half way open , the handle and blade form a right angle . If it is ...
Σελίδα 145
... angles of an oblong are angles . angles . angles 6. Angles that are not right angles are either or angles . Review page 45 . faces . These faces . If they are all squares the 7. Every rectangular solid has may be either squares or solid ...
... angles of an oblong are angles . angles . angles 6. Angles that are not right angles are either or angles . Review page 45 . faces . These faces . If they are all squares the 7. Every rectangular solid has may be either squares or solid ...
Σελίδα 169
... angle efg is an angle of 90 degrees , called also a right angle . The angle abc is an angle of 90 degrees . f e go h -k 66. All the angles about a point together equal four right angles . ― 67. Miscellaneous Review . 1. The angle abd is ...
... angle efg is an angle of 90 degrees , called also a right angle . The angle abc is an angle of 90 degrees . f e go h -k 66. All the angles about a point together equal four right angles . ― 67. Miscellaneous Review . 1. The angle abd is ...
Σελίδα 170
... angle of about degrees . The angle dbe is an angle of The angle abd the angle angle abc . The angle abc is an angle of - degrees . dbc = the ― degrees . b 2. The angle mln is an angle of about ― degrees . The angle mln the angle nls = the ...
... angle of about degrees . The angle dbe is an angle of The angle abd the angle angle abc . The angle abc is an angle of - degrees . dbc = the ― degrees . b 2. The angle mln is an angle of about ― degrees . The angle mln the angle nls = the ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
40 rods acre acres of land Algebra altitude bought bushels Change coal COMMON FRACTIONS common multiple contained cords cube cubic centimeters cubic feet cubic foot DECIMAL FRACTIONS decimal order decimeter DENOMINATE NUMBERS diameter discount Divide dividend dollars earn equal exact divisor exactly divisible Express the ratio feet long figure Find the amount Find the area Find the cost Find the interest Find the number Find the product Find the quotient Find the sum foot gain hundred hundredths improper fractions integral number least common multiple less lowest terms means measured meters miles MISCELLANEOUS PROBLEMS multiplicand NOTE number story Observe PERCENTAGE perimeter piece of land pounds prime factors pupil rectangular rhombus right angles side sold solid content specific gravity square feet square inches square rods square root square yards subtract tenths third thousandths tons triangle weigh
Δημοφιλή αποσπάσματα
Σελίδα 393 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Σελίδα 375 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq.
Σελίδα 252 - Multiplying or dividing both terms of a fraction by the same number does not change the value of the fraction.
Σελίδα 243 - Reduce the dividend and the divisor to like fractional units, then divide the numerator of the dividend by the numerator of the divisor. RULE II. — "Invert the divisor and proceed as in multiplication.
Σελίδα 398 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24...
Σελίδα 383 - CUBIC MEASURE 1728 cubic inches (cu. in.) = 1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu. yd.) 128 cubic feet = 1 cord (cd...
Σελίδα 363 - Pupils must learn to think of quantity in metric units. 319. All units in the metric system of measures and weights are derived from the primary unit known as the meter. When the length of the primary unit of this system was determined it was supposed to be one ten-millionth of the distance from the equator to the pole. A pendulum that vibrates seconds is nearly one meter long.* In the names of the derived units of this system the prefix deka means 10; hekto means 100; kilo means 1000; myria means...
Σελίδα 159 - Quantities, or those whose values are given, when not expressed by figures, are usually represented by the first letters of the alphabet, as a, b, c.
Σελίδα 394 - Dry Measure 2 pints (pt.) =1 quart (qt.) 8 quarts = 1 peck (pk.) 4 pecks = 1 bushel (bu.) 2150.42 cu.
Σελίδα 366 - MEASURES OF WEIGHT 10 milligrams (mg.) = 1 centigram eg. 10 centigrams =1 decigram dg. 10 decigrams =1 gram g. 10 grams =1 decagram Dg. 10 decagrams =1 hectogram Hg. 10 hectograms = 1 kilogram Kg.