The Public School Mental ArithmeticMacmillan, 1899 - 138 σελίδες |
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Σελίδα vii
... of others , it is firmly held that , compared with " written " arith- metic alone , mental arithmetic , if systematically taught , will produce at least twice the KNOWLEDGE and twice the POWER in a given time . tinguishing PREFACE vii.
... of others , it is firmly held that , compared with " written " arith- metic alone , mental arithmetic , if systematically taught , will produce at least twice the KNOWLEDGE and twice the POWER in a given time . tinguishing PREFACE vii.
Σελίδα viii
James Alexander McLellan, Albert Flintoft Ames. and twice the POWER in a given time . tinguishing features of the book are : The dis- 1. It is not a book of puzzles for ingenious analy- sis or of " conundrums " -to use a favorite ...
James Alexander McLellan, Albert Flintoft Ames. and twice the POWER in a given time . tinguishing features of the book are : The dis- 1. It is not a book of puzzles for ingenious analy- sis or of " conundrums " -to use a favorite ...
Σελίδα ix
... given in the presentation of the matter . Matter and method and process of education are correlated . The teacher has not to trouble himself with books and articles on methods and devices . Every principle and process is pre- sented as ...
... given in the presentation of the matter . Matter and method and process of education are correlated . The teacher has not to trouble himself with books and articles on methods and devices . Every principle and process is pre- sented as ...
Σελίδα 2
... given quantity ? Of 3 - in . units ? Of 4 - in . units ? Of units of any length ? 8. Find the number of 2 - in . units in each of these quantities : 14 in . , 1 ft . 8 in . , 24 in .; 2 ft . 6 in .; 1 yd . 4 in .; 1 yd . 1 ft . 9. In ...
... given quantity ? Of 3 - in . units ? Of 4 - in . units ? Of units of any length ? 8. Find the number of 2 - in . units in each of these quantities : 14 in . , 1 ft . 8 in . , 24 in .; 2 ft . 6 in .; 1 yd . 4 in .; 1 yd . 1 ft . 9. In ...
Σελίδα 6
... given the number and unit how do you find the quantity ? 19. In examples 20-23 name the number and the unit in each case . 20. Find the cost of 7 lb. of oatmeal at 4 ¢ a lb. 21. A farmer sold 4 horses at $ 80 apiece . What did he ...
... given the number and unit how do you find the quantity ? 19. In examples 20-23 name the number and the unit in each case . 20. Find the cost of 7 lb. of oatmeal at 4 ¢ a lb. 21. A farmer sold 4 horses at $ 80 apiece . What did he ...
Άλλες εκδόσεις - Προβολή όλων
The Public School Mental Arithmetic James Alexander McLellan,Albert Flintoft Ames Πλήρης προβολή - 1899 |
The Public School Mental Arithmetic James Alexander McLellan,Albert Flintoft Ames Πλήρης προβολή - 1899 |
The Public School Mental Arithmetic James Alexander McLellan,Albert Flintoft Ames Πλήρης προβολή - 1899 |
Συχνά εμφανιζόμενοι όροι και φράσεις
9 mo acre altitude amount apiece Avoirdupois bicycle bill bushel carpet a room cloth containing cost price crate cubic cubic foot dimes divided dollar double rolls dozen earns equal Express farm Find his gain find the area Find the cost Find the number Find the selling Find the sum flour fluid dram following numbers fraction gain per cent give the statements given in example grocer sold horse hour improper fractions least number Lesson lowest terms measuring unit Mental Arithmetic merchant bought merchant sold multiply oblong ounces paid perimeter piece pounds quantity quarts quire ratio Reduce remainder rods rolls of wall selling price side specific gravity square miles square yard statements of balance Subtract trapezoid triangle TROY WEIGHT unit of measure units of length wall paper wheat wide are needed width worth
Δημοφιλή αποσπάσματα
Σελίδα 138 - Measure. 60 seconds (sec.) 1 minute (min.) 60 minutes 1 hour (hr.) 24 hours 1 day (da.) 7 days 1 week (wk.) 365 days 1 common year (yr.) 366 days 1 leap year Years divisible by 4 and not by 100 are leap years.
Σελίδα 136 - 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 137 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt.) 4 quarts = 1 gallon (gal...
Σελίδα 138 - NUMBERS. 12 units = 1 dozen. 12 dozen = 1 gross. 12 gross = 1 great gross. 20 units = 1 score.
Σελίδα 137 - 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 135 - TROY WEIGHT. 24 grains (gr.) 1 pennyweight (pwt.) 20 pennyweights, 1 ounce (oz.) 12 ounces ... 1 pound (Ib.) Troy weight is used in weighing gold, silver, precious stones, etc. APOTHECARIES
Σελίδα 135 - Scale: 4 farthings (far.) = 1 penny (d.); 12 pence = 1 shilling (s.) ; 20 shillings — 1 pound (£). 156.
Σελίδα 136 - 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. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Σελίδα 135 - AVoIRDUPOIS WEIGHT 16 ounces (oz.) = 1 pound (Ib.). 100 pounds = 1 hundredweight (cwt.). 20 hundredweight = 1 ton (T.).
Σελίδα 135 - MONEY 10 mills (m.) — 1 cent (ct. or f) 10 cents = 1 dime (d.) 10 dimes = 1 dollar 10 dollars = 1 eagle...