...has been contrived to express all the numbers, that are necessary to be used, with very few names. > The first ten numbers have each a distinct name. The...ten simple units is then considered a unit : it is callecl a unit of the second order. < We speak of the collections of ten, in the same manner that we...

...Arabic characters? What are numbers expressing single things called ? One ten is . . . Two tens are . Three tens " . . Four tens " . Five tens " . Six tens " . . Seven tens " . Eight tens " . . Nine tens " . . One ten, one unit, One ten, two units, 10 ten. 20 twenty. 30 thirty. 40 forty. 50 fifty. 60 sixty....

...the name ? Write two tens. What is the name ? Ans. Twenty. Write three tens. What is the name ? Write four tens ; five tens ; six tens ; seven tens ; eight tens ; nine tens ; and tell their names. Write one of the order of hundreds. Write two of the order of hundreds ; one...

...he used, with very few names. The first ten numbers have each a distinct name. The collection often simple units is then considered a unit : it is called...four tens, five tens, six tens, seven tens, eight tuns, nine tens. These expressions are usually contracted ; and instead of them we say ten, twenty,...

...has been contrived to express all the numbers, that are necessary to be used, with very few names. The first ten numbers have each a distinct name. The...of ten simple units is then considered a unit : it iscalled a unit of the second order. We speak of the collections of ten, in the same manner that we...

...many numbers have each a separate character? I*. NOTATION AND NUMERATION. One ten is . Two tens are Three tens " Four tens " Five tens " Six tens " Seven tens " Eight tens " Nine tens " One ten, one unit, I! 10 ten. 20 twenty. 30 thirty. 40 forty. 50 fifty. 60 sixty. 70 seventy. 80...

...the Arabic charactersI WUat ara urabctb impressing single things called ? One ten is . Two tens are Three tens Four tens Five tens Six tens Seven tens Eight tens Nine tens One ten, one unit, 10 ten. 20 twenty 30 thirty 40 forty. 50 fifty. 60 sixty. 70 seventy, 80 eighty....

...one unit to nine units ; but, for the sake of brevity, — instead of these expressions : one tens, two tens, three tens, four tens, five tens, six tens, seven tens, eight tens, nine tens — we say : ten, twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety. 12. Between ten and...

...another nine ? Ten nines ; another nine? Eleven nines; another nine? Twelve nines; another nine ? 9. Two tens ? Three tens ? Four tens ? Five tens ? Six tens ? Seven tens ? Eight tens ? Nine tens ? Eleven tens ? Twelve tens ? 10. Two elevens? Three elevens? Four elevens? Five elevens? Six elevens...

...another eight? Ten eights; another eight? Eleven eights; another eight? Twelve eights; another eight ? 9. Two tens ? Three tens ? Four tens ? Five tens ? Six tens ? Seven tens ? Eight tens ? Nine tens ? Eleven tens ? Twelve tens ? 10. Two elevens? Three elevens? Four elevens? Five elevens ? Six elevens...