Social Arithmetic, Book 1

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Page 273 - Both terms of a fraction may be divided by the same number without changing the value of the fraction.
Page 64 - Under 1 year 1 year old 2 years old 3 years old 4 years old 5 years old 6 years old 7 years old 8 years old 9 years old 10 years old 11 years old 12 years old 13 years old 14 years old 15 years old 16 years old...
Page 275 - Thus, -r = — r b nib represents the rule that the numerator and denominator of a fraction may be multiplied by the same number without changing its value.
Page 251 - Although the United States raises more wheat than any other country in the world, our yield is not so great an acre as that in many other countries.
Page 36 - When a thing is divided into two equal parts, we call each part "one-half" or "|.
Page 40 - In how many hours does the hour hand go around the clock face ? 78.
Page 46 - Make a table like this and fill in the blank spaces : minutes make 1 hour. hours make 1 day. days make 1 week.

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