Book IIIScott, Foresman, 1908 |
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Σελίδα v
... rules , yardsticks , meter- sticks , etc. , and encourage continual use of them . Make so regular a feature of this work that pupils form the habit of estimating distances , areas , volumes , weights , etc. , always correcting their ...
... rules , yardsticks , meter- sticks , etc. , and encourage continual use of them . Make so regular a feature of this work that pupils form the habit of estimating distances , areas , volumes , weights , etc. , always correcting their ...
Σελίδα vi
... rules , and even special subjects are worked out under the guidance of the principle : " First its informal , though rational , use , and afterwards conscious recognition of its formal use . " Definitions of merely tech- nical terms are ...
... rules , and even special subjects are worked out under the guidance of the principle : " First its informal , though rational , use , and afterwards conscious recognition of its formal use . " Definitions of merely tech- nical terms are ...
Σελίδα 19
... rule for quickly multiplying a number by 50 ; by 25 ; by 500 ; by 250 ; by 331 ; by 3331 17. Find the products of the following pairs of numbers : ( 1 ) ( 2 ) ( 3 ) ( 4 ) Multiplicands , 681 Multipliers , 325 681 681 681 32.5 3.25 .325 ...
... rule for quickly multiplying a number by 50 ; by 25 ; by 500 ; by 250 ; by 331 ; by 3331 17. Find the products of the following pairs of numbers : ( 1 ) ( 2 ) ( 3 ) ( 4 ) Multiplicands , 681 Multipliers , 325 681 681 681 32.5 3.25 .325 ...
Σελίδα 48
... rule for finding the G. C. D. of two or more numbers from their common prime factors when no com- mon prime factors are repeated in any of the numbers . Test your rule by finding the G. C. D. of 30 and 42 ; of 105 and 231 ; of 30 and 70 ...
... rule for finding the G. C. D. of two or more numbers from their common prime factors when no com- mon prime factors are repeated in any of the numbers . Test your rule by finding the G. C. D. of 30 and 42 ; of 105 and 231 ; of 30 and 70 ...
Σελίδα 55
... + + 13 a - 19/211 19/2 221 98 ' 142 523 ' FIGURE 1 1612 ' 234 9 / % 71 53 ' ( 11 ) 2 + 흡 = ? ( 12 ) - ? ( 13 ) 17+ 9 ? ( 14 ) m ? ( 15 ) n + - = = ? a = ? 2. Make a rule for finding quickly the sum , COMMON FRACTIONS.
... + + 13 a - 19/211 19/2 221 98 ' 142 523 ' FIGURE 1 1612 ' 234 9 / % 71 53 ' ( 11 ) 2 + 흡 = ? ( 12 ) - ? ( 13 ) 17+ 9 ? ( 14 ) m ? ( 15 ) n + - = = ? a = ? 2. Make a rule for finding quickly the sum , COMMON FRACTIONS.
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
acres altitude amount arithmetic average avoirdupois base bought bushels called Check Chicago circumference column common common fractions contain crease cube cube root cubic inches decimal degrees denote the number diameter difference digit discount divided dividend divisor draw factors Fahrenheit feet fence FIGURE Find the area Find the cost Find the numbers fractions hour hundredweight interest term least common multiple length longitude mark measured meridian miles multiply nearest 01 NOTE number equals number of pounds oatfield paid parallelogram percent perigon perimeter places prime meridian Principle problem protractor quadrilateral quotient radius ratio rectangle right angle right triangle scale sides sold square miles square rods square root subtract surface tons train trapezoid triangular prism units weight whole numbers write an equation
Δημοφιλή αποσπάσματα
Σελίδα 92 - 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.
Σελίδα 93 - 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 218 - The square root of a number is one of the two equal factors of the number.
Σελίδα 94 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24...
Σελίδα 112 - CAPACITY 10 milliliters (ml.) = 1 centiliter (cl.) 10 centiliters = 1 deciliter (dl.) 10 deciliters = 1 liter (1.) 10 liters = 1 dekaliter (Dl.) 10 dekaliters = 1 hektoliter (hi.) 10 hektoliters = 1 kiloliter (kl.) MEASURES OF WEIGHT 10 milligrams (mg.) = 1 centigram (eg.) 10 centigrams = 1 decigram (dg.) 10 decigrams = 1 gram (g.) 10 grams = 1 dekagram (Dg.) 10 dekagrams = 1 hektogram (hg.) 10 hektograms = 1 kilogram (kg.) 18.
Σελίδα 49 - The Least Common Multiple of two or more numbers is the least number that...
Σελίδα 92 - SURVEYOR'S SQUARE MEASURE 625 square links (sq. li.) =1 square rod sq. rd. 16 square rods =1 square chain sq. ch. 10 square chains =1 acre A. 640 acres =1 square mile sq. mi. 36 square miles (6 mi.
Σελίδα 84 - Therefore the specific gravity of a solid or a liquid body, is the ratio of its weight to the weight of an equal volume of water...
Σελίδα 91 - Scale: 4 farthings (far.) = 1 penny (d.); 12 pence = 1 shilling (s.) ; 20 shillings — 1 pound (£). 156.
Σελίδα 112 - OF WEIGHT 10 milligrams (mg.) = 1 centigram (eg.) 10 centigrams = 1 decigram (dg.) 10 decigrams = 1 gram (g.) 10 grams = 1 dekagram (Dg.) 10 dekagrams = 1 hektogram (Hg.) 10 hektograms = 1 kilogram (Kg.) 10 kilograms = 1 myriagram (Mg.) 10 myriagrams = 1 quintal (Q...