00839    a2200253   4500001000700000020001800007040003200025090001300057100002100070245002400091250001300115260000800128300001000136362000900146520021000155650002000365650001400385650001800399650001600417650002900433942000700462952009700469999001900566124495  a9780545211451  cEscola Canadense de Niteroi  aG4 - GOL  aGoldstone, Bruce10aGreater estimations  a1st. ed.  aUSA  a32 p.0 a2008  aHow many rubber duckies are on the cover of this book? You could count each one―or you could estimate. An estimate is a good guess. Are there more than ten rubber ducks? Are there fewer than a thousand?  4aMath Operations 4aEstimates 4aMath for kids 4aNon-Fiction 4aMathematics (Literature)  cBK  00104070a80.1b80.1d2024-02-09l0oG4 - GOLpA00378r2024-02-09 21:20:54w2024-02-09yBK  c124495d124495