Klassifikation der Library of Congress [LCC] (USA)QA135.5

addition(1,014) animals(1,357) Answers(129) arithmetic(335) art(267) big book(223) birds(154) bugs(143) candy(131) children(718) children's(974) children's literature(241) children's picture book(102) computation(68) concepts(305) curriculum(401) dinosaurs(123) division(226) ducks(86) education(714) educational(127) elementary(303) fall(99) farm(178) fish(82) food(291) games(108) geometry(135) Grade 2(198) history(660) homeschool curriculum(31) infinity(40) informational(368) insects(212) juvenile(162) juvenile non-fiction(54) kids(198) learning(109) Living Book(39) math(22,641) math concepts(174) middle school(97) money(366) nature(205) number theory(64) numbers(4,070) Oasis(43) ocean(156) patterns(139) penguins(148) photographs(87) picture book(2,872) pop-up(180) popular mathematics(39) popular science(84) preschool(212) primary(178) problem solving(208) professional(71) puzzles(80) reference(259) resource book(27) riddles(132) school(261) science(1,218) sets(47) shapes(224) sorting(41) spring(89) symmetry(52) teacher(79) teaching(289) time(115) toddler(127) winter(142) zero(205)