Review of arithmetic -- Divisibility -- Congruence -- Common divisors and multiples -- Linear diophantine equations -- Prime factorizations -- Rational and irrational numbers -- Numeration systems.
Summary
"Students of elementary mathematics education can follow Alice, of Wonderland fame, as she takes twins Tweedledum and Tweedledee on a tour of elementary number theory, enjoying the spectra often from unusual perspectives, including geometric ones"-- Back cover.