The Public School Mental ArithmeticMacmillan, 1899 - 138 σελίδες |
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Σελίδα 35
... triangle whose base BC is 8 in . and altitude AF is 4 in . , what is the area of the triangle represented ? Draw the triangle . 4. Find the areas of the following triangles : BASE ALTITUDE BASE 10 in . 6 in . 2 ft . ALTITUDE 1 ft . 8 in ...
... triangle whose base BC is 8 in . and altitude AF is 4 in . , what is the area of the triangle represented ? Draw the triangle . 4. Find the areas of the following triangles : BASE ALTITUDE BASE 10 in . 6 in . 2 ft . ALTITUDE 1 ft . 8 in ...
Σελίδα 36
... triangle a or a ' ? Which is greater the parallelogram ABCD or the rectangle EFCD ? 8. How do you find the area of a rectangle such as EFCD ? Of a parallelogram such as ABCD ? 9. To find the area of a parallelogram multiply the measure ...
... triangle a or a ' ? Which is greater the parallelogram ABCD or the rectangle EFCD ? 8. How do you find the area of a rectangle such as EFCD ? Of a parallelogram such as ABCD ? 9. To find the area of a parallelogram multiply the measure ...
Σελίδα 37
... triangle a or a ' ? bor b ' ? 13. If you add the triangles a ' and b ' to the large central figure c , you get what figure ? If you add the triangles a and b to the central figure c , what fig- ure do you get ? Which is larger the ...
... triangle a or a ' ? bor b ' ? 13. If you add the triangles a ' and b ' to the large central figure c , you get what figure ? If you add the triangles a and b to the central figure c , what fig- ure do you get ? Which is larger the ...
Σελίδα 38
... . and 1 ft . , and altitude 1 ft . 4 in . Find its area . 21. How do you find the area of a rectangle ? Triangle ? Parallelogram ? Trapezoid ? DIVISION Lesson 14 In the following examples give the statements 38 MENTAL ARITHMETIC.
... . and 1 ft . , and altitude 1 ft . 4 in . Find its area . 21. How do you find the area of a rectangle ? Triangle ? Parallelogram ? Trapezoid ? DIVISION Lesson 14 In the following examples give the statements 38 MENTAL ARITHMETIC.
Σελίδα 48
... triangle whose base is 6 in . and altitude 4 in . 17. Give three pairs of factors of 18. Give the dimensions of three rectangles of different shape , the area of each of which is 18 sq . in . 18. Give the dimensions of as many ...
... triangle whose base is 6 in . and altitude 4 in . 17. Give three pairs of factors of 18. Give the dimensions of three rectangles of different shape , the area of each of which is 18 sq . in . 18. Give the dimensions of as many ...
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...