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" ... and to explain them to others. To avoid these inconveniences, a method has been contrived to express all the numbers, that are necessary to be used, with very f« "
Arithmetic Upon the Inductive Method of Instruction ...: Stereotyped at the ... - Σελίδα 108
των Warren Colburn - 1829
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The Constructive arithmetic

James A. Christie - 1865
...units and one ten „ twelve. thirteen. fourteen. fifteen. sixteen. seventeen. eighteen. nineteen. Three tens Four tens Five tens Six tens Seven tens Eight tens Nine tens Ten tens thirty. forty. fiftysixty. seventy. eighty. ninety. one hundred. NOTATION OP INTEGERS. Since...

Elementary Arithmetic for the Slate: In which Methods and Rules are Based ...

John Homer French - 1869 - 220 σελίδες
...figures, forty-three, sixty-six, ninety-five, fifteen, eighty-six, thirty-eight, fifty-seven, sixty-one. Three tens Four tens Five tens Six tens Seven tens Eight tens Nine tens u u u u < U «I u ' u u II II U « U thirty, forty, fifty, sixty, seventy, eighty, ninety, u u I< u...

Primary Object Lessons: For Training the Senses and Developing the Faculties ...

Norman Allison Calkins - 1871 - 442 σελίδες
...numeral frame, and let them count ten balls on each of ten wires. Then count the groups of ten, thus: "One ten, two tens, three tens, four tens, five tens, six tens, seven tens, eight tens, nine tens, ten tens." Then let the pupils add them by tens, thus : " Ten, twenty, thirty, forty, fifty, sixty,...

New Elementary Arithmetic: Embracing Mental and Written Exercises, for Beginners

Henry Bartlett Maglathlin - 1875 - 208 σελίδες
...seven? Ten and eight? Ten and nine? What is the meaning of ' " teen " ? What are two tens called ? Three tens ? Four tens? Five tens? Six tens? Seven tens? Eight tens? Nine tens? What is the meaning of " ty "? How are exact tens expressed? How are the numbers between exact tens...

Elementary Arithmetic: With Brief Notices of Its History, Τόμοι 1-12

Robert Potts - 1876
...nine, is nine and one (for which no single character is assumed), named ten, and is denoted by 10. And two tens, three tens, four tens, five tens, six tens, seven tens, eight tens, nine tens, are respectively denoted by 20, 30, 40, 50, 60, 70, 80, 90, and named twenty, thirty, forty, fifty,...

Elementary Arithmetic: With Brief Notices of Its History, Τόμοι 1-12

Robert Potts - 1876
...nine, is nine and one (for which no single character is assumed), named ten, and is denoted by 10. And two tens, three tens, four tens, five tens, six tens, seven tens, eight tens, nine tens, are respectively denoted by 20, 30, 40, 50, 6O, 70, 80, 90, and named twenty, thirty, forty, fifty,...

New Elementary Arithmetic, Embracing Mental and Written Exercises, for Beginners

Henry Bartlett Maglathlin - 1876 - 224 σελίδες
...Ten and seven? Ten and eight? Ten and nine? What is the meaning of "teen"? What are two tens called? Three tens? Four tens? Five tens? Six tens? Seven tens? Eight tens? Nine tens? What is the meaning of " ty "? How are exact tens expressed? How are the numbers between exact tens...

New Elementary Arithmetic: Embracing Mental and Written Exercises for ...

Benjamin Greenleaf - 1879 - 224 σελίδες
...Ten and seven? Ten and eight? Ten and nine? What is the meaning of " teen"? What arc two tens called? Three tens? Four tens? Five tens? Six tens? Seven tens? Eight tens? Nine tens? What is the meaning of " ty "? How are exact tena expressed? How are the numbers between exact tens...

Teachers' Manual of Elementary Arithmetic: Including Oral, Slate, and ...

Malcolm MacVicar - 1880 - 258 σελίδες
...times ; 6 times; 7 times; 8 times; 9 times; 10 times. 6. How would you write the figures that stand for three tens, four tens, five tens, six tens, seven tens, eight tens, nine tens. 7. Repeat this table : 2 tens are twenty. 6 tens are sixty. 3 tens are thirty. 7 tens are seventy....

A Grammar Shcool Arithmetic

George Albert Wentworth - 1886 - 372 σελίδες
...hundred, thousand, million. 21. Usage sanctions the following irregularities : I. Instead of saying two tens, three tens, four tens, five tens, six tens, seven tens, eight tens, nine tens, we say twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety. II. The names of the numbers between...




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