seventeen billions, two hundred and fifty-eight thousand three hundred and sixty millions, nine hundred and seventy-three thousand two hundred and seventy-four.

EXERCISES.

Express in words, 8,-17,-19,-23,—38,—45,

-98,-134,-247,-456,-739,-840,-896,906,-960,-977,-999,-1111,-2345,-3452, -4523,469,-23456,-34562,-45623,— 562347,678912, 723456, 1234567, 24607818,-986713004,-800045681,720001199. Express in figures, Seven,-thirteen, -twenty-five, forty,-sixty-nine,-ninety-six,— one hundred and one,-one hundred and ten,one hundred and eleven,-one hundred and twentyone, three hundred and sixty-five,-nine hundred and ninety-three thousand,-three hundred and sixty-four thousand,-six hundred and thirtyfive thousand, two hundred and ten,-ninety-eight millions, four hundred and fifteen thousand, five hundred and ninety-eight, one hundred and sixty-two millions, five hundred and eighty-one thousand, six hundred and nine.

SIMPLE ADDITION.

Addition teaches to find the sum of two or more

seventeen billions, two hundred and fifty-eight thousand three hundred and sixty millions, nine hundred and seventy-three thousand two hundred and seventy-four.

EXERCISES.

Express in words, 8,-17,-19,-23,—38,—45,

-98,-134,-247,-456,-739,-840,-896,906,-960,-977,-999,-1111,-2345,-3452, -4523,469,-23456,-34562,45623,—

562347,

678912,

723456,

1234567,

24607818,-986713004,-800045681,720001199. Express in figures, Seven,-thirteen, -twenty-five,-forty,-sixty-nine,-ninety-six,— one hundred and one,-one hundred and ten,— one hundred and eleven,-one hundred and twentyone,-three hundred and sixty-five,-nine hundred and ninety-three thousand,-three hundred and sixty-four thousand,-six hundred and thirtyfive thousand, two hundred and ten,-ninety-eight millions, four hundred and fifteen thousand, five hundred and ninety-eight, one hundred and sixty-two millions, five hundred and eighty-one thousand, six hundred and nine.

SIMPLE ADDITION.

Addition teaches to find the sum of two or more