A Mental ArithmeticD.Appleton and Company, 1879 - 168 σελίδες |
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Σελίδα 5
... are 16 7 are 17 8 are 14 9 are 15 10 are 16 8 are 15 8 are 16 8 are 17 8 are 18 are 16 9 are 17 9 are 18 10 are 17 10 are 18 10 are 19 9 are 19 10 are 20 SECTION 1. - Addition is the process of uniting two MENTAL ARITHMETIC. ...
... are 16 7 are 17 8 are 14 9 are 15 10 are 16 8 are 15 8 are 16 8 are 17 8 are 18 are 16 9 are 17 9 are 18 10 are 17 10 are 18 10 are 19 9 are 19 10 are 20 SECTION 1. - Addition is the process of uniting two MENTAL ARITHMETIC. ...
Σελίδα 8
... SECTION 2. - 1 . How many are 3 and 2 ? 13 and 2 ? 33 and 2 ? 63 and 2 ? 93 and 2 ? 103 and 2 ? 2. What does 2 + 3 equal ? 22 + 3 ? 43 + 2 ? 53 +2 ? 83 + 2 ? 183 + 2 ? 193 + 2 ? 203 +2 ? 3. What is the sum of 4 and 5 ? 5 and 4 ? 55 and ...
... SECTION 2. - 1 . How many are 3 and 2 ? 13 and 2 ? 33 and 2 ? 63 and 2 ? 93 and 2 ? 103 and 2 ? 2. What does 2 + 3 equal ? 22 + 3 ? 43 + 2 ? 53 +2 ? 83 + 2 ? 183 + 2 ? 193 + 2 ? 203 +2 ? 3. What is the sum of 4 and 5 ? 5 and 4 ? 55 and ...
Σελίδα 10
... by 9's , beginning 1 , 10 , 19 , & c . , up to 100 . [ These exercises may be continued , and varied by commencing differently , till they are made perfectly familiar . ] SECTION 3. - 1 . How many are 43 and 10 ADDITION .
... by 9's , beginning 1 , 10 , 19 , & c . , up to 100 . [ These exercises may be continued , and varied by commencing differently , till they are made perfectly familiar . ] SECTION 3. - 1 . How many are 43 and 10 ADDITION .
Σελίδα 11
George Payn Quackenbos. SECTION 3. - 1 . How many are 43 and 26 ? MODEL . 43 = 3 units 4 tens ; 26-6 units 2 tens . 6 units and tens and 4 tens are 6 tens . 6 tens 9 units 3 units are 9 units ; are 69. Ans . 69 . 2. What is the sum of 31 ...
George Payn Quackenbos. SECTION 3. - 1 . How many are 43 and 26 ? MODEL . 43 = 3 units 4 tens ; 26-6 units 2 tens . 6 units and tens and 4 tens are 6 tens . 6 tens 9 units 3 units are 9 units ; are 69. Ans . 69 . 2. What is the sum of 31 ...
Σελίδα 12
... for ? 34. Conrad had 8 books , containing 63 pictures , and 19 books , containing 148 pictures . How many books had Conrad in all , and how many pictures ? CHAPTER SECOND . SUBTRACTION . SECTION 4. - Subtraction is 12 ADDITION .
... for ? 34. Conrad had 8 books , containing 63 pictures , and 19 books , containing 148 pictures . How many books had Conrad in all , and how many pictures ? CHAPTER SECOND . SUBTRACTION . SECTION 4. - Subtraction is 12 ADDITION .
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12 days 12 leaves 25 cents 30 days 50 cents 551 Broadway 9 leaves acres apples APPLETON Arithmetic bill bushels called centilitres CHAPTER common denominator contained cord cost cubic currency decagrams decimetre dimes dollars dozen drams dry measure equal feet Find the amount Find the interest flock fourths fraction gallon gold grains half halves hectolitres hectometre horse Improper Fraction inches invested kilogram least common denominator leaves 9 litre lower denominations lowest terms metre Metric System miles an hour minutes MODEL months Multiply ninths NOTE oranges ounce paid Palenzuela pear pennyweight person bought pine-apple Price principal profit quart receive Reduce rods SECTION sells shares sheep sixths sold square steres subtract taining tenths third tonneau trees Troy Weight true discount twice units weeks Weight whole yards yield
Δημοφιλή αποσπάσματα
Σελίδα 82 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet — 1 square yard (sq.
Σελίδα 81 - MEASURE 12 inches (in.) = 1 foot ft. 3 feet =1 yard yd. 5 J yards =1 rod rd. 40 rods =1 furlong fur. 8 furlongs = 1 mile mi.
Σελίδα 83 - 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 84 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Σελίδα 78 - Weight is used by apothecaries and physicians in compounding dry medicines. 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 85 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...