Intermediate ArithmeticGinn & Company, 1905 - 267 σελίδες |
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Σελίδα 2
... called notation . 3. Numeration . The naming of numbers is called numer- ation . Our common notation started in India about 2000 years ago . The Arabs took it to Europe . Therefore these symbols are called Arabic numerals . You know ...
... called notation . 3. Numeration . The naming of numbers is called numer- ation . Our common notation started in India about 2000 years ago . The Arabs took it to Europe . Therefore these symbols are called Arabic numerals . You know ...
Σελίδα 6
... called addition . 9. Addends . Numbers to be added are called addends . 10. Sum . The result in addition is called the sum . 11. Only numbers considered as like numbers can be added . For example , $ 3 + $ 5 $ 8 . But 3 turnips + 5 ...
... called addition . 9. Addends . Numbers to be added are called addends . 10. Sum . The result in addition is called the sum . 11. Only numbers considered as like numbers can be added . For example , $ 3 + $ 5 $ 8 . But 3 turnips + 5 ...
Σελίδα 10
... called the difference between them . That is , the difference between 75 and 48 is 27 , because 48 +27 75 . = 16. Subtraction . The operation of finding the difference between two numbers is called subtraction . Subtraction may also be ...
... called the difference between them . That is , the difference between 75 and 48 is 27 , because 48 +27 75 . = 16. Subtraction . The operation of finding the difference between two numbers is called subtraction . Subtraction may also be ...
Σελίδα 14
... called an abstract number . For example , 10 , 42 , 31 , are abstract numbers . 22. Concrete numbers . A number that refers to some par- ticular kind of object or measure is called a concrete number . For example , $ 10 , 32 ft . , 6 mo ...
... called an abstract number . For example , 10 , 42 , 31 , are abstract numbers . 22. Concrete numbers . A number that refers to some par- ticular kind of object or measure is called a concrete number . For example , $ 10 , 32 ft . , 6 mo ...
Σελίδα 15
... called a power of the number . = For example , 2 × 2 4 , and 4 is called the second power , or square , of 2. 2 x 2 is written 22. So 2 × 2 × 2 , or 23 , is the third power of 2. It is also called the cube of 2 . ORAL EXERCISE 1. State ...
... called a power of the number . = For example , 2 × 2 4 , and 4 is called the second power , or square , of 2. 2 x 2 is written 22. So 2 × 2 × 2 , or 23 , is the third power of 2. It is also called the cube of 2 . ORAL EXERCISE 1. State ...
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9 ft acres amount arithmetic average bales barrel bill boys bushel carpet casts a shadow cattle cent common divisor common fractions contains cost cotton cubic inches dealer buys dealer pays decimal fraction decimal point discount Divide dividend division dozen equals example Express factor farmer feet Find the number frac FRACTIONS ORAL EXERCISE gain gallon greatest common divisor horse hundredths Illustrative problems improper fraction integer interest least common denominator least common multiple length lowest terms marked price measure minuend mixed number number multiplied numbers is called ounce paid paper parallelogram Paris green perimeter population potatoes pound pupils quadrilateral quart quires quotient ratio rectangle Reduce scalene triangle sells short ton sides sold solve subtract tons United week weigh wide worth write WRITTEN EXERCISE Find
Δημοφιλή αποσπάσματα
Σελίδα 157 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30j square yards = 1 square rod (sq.
Σελίδα 67 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet — 1 square yard (sq.
Σελίδα 157 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Σελίδα 158 - Multiplication is the process of taking one number as many times as there are units in another.
Σελίδα 67 - 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 28 - A number is divisible by 3 if the sum of its digits is divisible by 3.
Σελίδα 75 - Multiply as in whole numbers, and point off as many decimal places in the product as there are decimal places in the multiplicand and multiplier, supplying the deficiency, if any, by prefixing ciphers.
Σελίδα 68 - Apothecaries' weight, used by physicians and druggists in prescriptions. Its importance is too slight to justify teaching, although it is here inserted for those who may care to use it. 20 grains (gr.) = 1 scruple (sc. or 9). 3 scruples = 1 dram (dr. or 3)8 drams = 1 ounce (oz. or § ). 12 ounces = 1 pound (lb.).
Σελίδα 157 - TABLE. 20 Grains (gr.} = 1 Scruple, . . sc., or 3. 3 Scruples = 1 Dram, . . dr., or 3 . 8 Drams = 1 Ounce, . . oz., or § . 12 Ounces = 1 Pound, . . Ib., or ft,.
Σελίδα 20 - ... the process of finding how many times one number is contained in another; or, The process of separating a number into equal parts.