TY - BOOK AU - Sally,Judith D. AU - Sally,Paul J. TI - Integers, fractions and arithmetic: a guide for teachers T2 - MSRI/ mathematical circles library SN - 082188798X AV - QA135.6 .S234 2013 U1 - 372.72 23 PY - 2012/// CY - Berkeley, Calif., Providence, R. I. PB - Mathematical Sciences Research Institute, American Mathematical Society KW - Arithmetic KW - Study and teaching (Elementary) N1 - Includes index; 1; Number systems --; 2; Divisibility and order in the integers --; 3; GCDs and the division algorithm --; Seminar 4; Prime numbers and factorization into primes --; Seminar 5; Applications of prime power factorization --; Seminar 6; Modular arithmetic and divisibility tests --; Seminar 7; More modular arithmetic --; Seminar 8; The arithmetic of fractions --; Seminar 9; Properties of multiplication of fractions --; Seminar 10; Addition of fractions --; Seminar 11; The decimal expansion of a fraction --; Seminar 12; Order and the number line ER -