Elementary School Mathematics by Grades: Intermediate principles. Fourth book

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Globe School Book Company, 1906 - Arithmetic - 160 pages
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Page 84 - A number is divisible by 9 if the sum of its digits is divisible by 9.
Page 87 - Mnltiple of two or more numbers is the least number that can be divided by each of them without a remainder ; thus 30 is the least common multiple of 10 and 15.
Page 110 - Time 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 12 months (mo.) = 1 year 10 years = 1 decade 10 decades or \ , , , „ , 1=1 century (cen. or U.) 100 years / J v ' Thirty days has September, April, June, and November...
Page 101 - Washington was born in 1732 and died in 1799. How old was each when he died ? 6.
Page 62 - MEASURE. 144 square inches (sq. in.) = 9 square feet 30^ square yards, or | 272 square feet ' 160 square rods 640 acres 1 square foot (sq. ft.). 1 square yard (sq. yd.). 1 square rod (sq. rd.). 1 acre (a.). 1 square mile (sq.
Page 59 - Length 12 inches (in.) = 1 foot (ft.) 3 feet = 1 yard (yd.) 5| yards, or 16 feet = 1 rod (rd.) 320 rods, or 5280 feet = 1 mile (mi.) Square Measure 144 square inches (sq.
Page 40 - A fraction is one or more of the equal parts of a unit...
Page 65 - 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...
Page 107 - Dry Measure 2 pints (pt.) =1 quart (qt.) 8 quarts = 1 peck (pk.) 4 pecks = 1 bushel (bu.) 2150.42 cu.
Page 110 - Thirty days hath September, April, June, and November ; All the rest have thirty-one, Except the second month alone, Which has but twenty-eight, in fine, Till leap year gives it twenty-nine.

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