Intermediate Arithmetic: For Graded SchoolsAmerican Book Company, 1907 - 286 σελίδες |
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Σελίδα 35
... mixed number is a number expressed by a whole num- ber and a fraction , as 51 , 33 , 171 . Adding mixed numbers when the sum of the fractions is less than a whole unit . Written Work and may each be changed to twelfths . Write the ...
... mixed number is a number expressed by a whole num- ber and a fraction , as 51 , 33 , 171 . Adding mixed numbers when the sum of the fractions is less than a whole unit . Written Work and may each be changed to twelfths . Write the ...
Σελίδα 36
... mixed numbers when the sum of the fractions is greater than a whole unit . 1. Add 8 and 12 % . 15 : = c . d . 83 = 810 128 = 12 % 83 +123 = 2018 or 21 Written Work and may each be changed to fifteenths . 10. 3 × 3 9 The sum off and 2 x ...
... mixed numbers when the sum of the fractions is greater than a whole unit . 1. Add 8 and 12 % . 15 : = c . d . 83 = 810 128 = 12 % 83 +123 = 2018 or 21 Written Work and may each be changed to fifteenths . 10. 3 × 3 9 The sum off and 2 x ...
Σελίδα 38
... mixed numbers . 1. From 31 take 13 . 31 = 21 13 = 13 31 - 13 = 13 Find the differences : Written Work − 7 Since cannot be subtracted from } , we take 1 or from 3 , and add it to } , thus changing 33 to 23. Then from 3 leaves and 1 from ...
... mixed numbers . 1. From 31 take 13 . 31 = 21 13 = 13 31 - 13 = 13 Find the differences : Written Work − 7 Since cannot be subtracted from } , we take 1 or from 3 , and add it to } , thus changing 33 to 23. Then from 3 leaves and 1 from ...
Σελίδα 39
... mixed numbers that are not similar . Written Work 1. From take . 20 = c . d . 1-1 20-20-20 Before they can be subtracted the fractions must be made similar . Change them both to twentieths . = and = Subtracting , 20 28-28 = 26 ...
... mixed numbers that are not similar . Written Work 1. From take . 20 = c . d . 1-1 20-20-20 Before they can be subtracted the fractions must be made similar . Change them both to twentieths . = and = Subtracting , 20 28-28 = 26 ...
Σελίδα 48
... mixed number by an integer . Analyze these problems : 1. Find the cost of 6 eggs at 31 cents a piece . 2. Find the cost of 4 qt . of oil at 4 cents per qt . 3. How much will 8 lb. of rice cost at 6 cents per lb. ? 4. Find the cost of 12 ...
... mixed number by an integer . Analyze these problems : 1. Find the cost of 6 eggs at 31 cents a piece . 2. Find the cost of 4 qt . of oil at 4 cents per qt . 3. How much will 8 lb. of rice cost at 6 cents per lb. ? 4. Find the cost of 12 ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
acres acres of land ARITH barrel bill board foot bought boxes bushels butter buys cents a pound Change coal common fraction containing cube cubic inches decimal places decimal point dimes divide the numerator dividend and divisor division dollar dozen earn equal factors farmer Find the amount Find the cost Find the number fractional units gain gallons greatest common divisor grocer halves hundred hundredths hundredweight improper fraction integer least common multiple lowest terms measure merchant miles mixed number month multiplicand naughts number of cubic ounces paid pair pecks pints quarts quotient receipt receive rectangle remaining rods salary second circle sells similar fractions sold square feet square inches square yard subtracted sugar surface tenths third thousandths tons week weigh whole number wide Write Written
Δημοφιλή αποσπάσματα
Σελίδα 216 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq.
Σελίδα 222 - 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 269 - They mark out the work for the teacher in a clearly defined manner by telling him what to do and when to do it.
Σελίδα 219 - The Altitude of a triangle is the perpendicular distance from the angle opposite the base to the base, or to the base produced or extended.
Σελίδα 270 - The political and more detailed maps are not mere skeletons, giving only the names which are required by the text, but are full enough to serve all ordinary purposes for reference. In addition, they show the principal railroads and canals, the head of navigation on all important rivers, and the standard divisions of time. 7.
Σελίδα 11 - Multiplication is the process of taking one number as many times as there are units in another.
Σελίδα 104 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24...
Σελίδα 102 - Dry Measure 2 pints (pt.) =1 quart (qt.) 8 quarts = 1 peck (pk.) 4 pecks = 1 bushel (bu.) 2150.42 cu.
Σελίδα 139 - The least common multiple of two or more numbers, is the least number that can be divided by each of them without a remainder.
Σελίδα 270 - The simplicity of the older methods of teaching this subject is combined with just so much of the modern scientific methods of presentation as is thoroughly adapted to elementary grades.