Tina Thoburn Orden de los libros (cronológico)

Includes more than 2500 words with pictorial definitions arranged within broad alphabetical categories such as astronauts, family, and medical center.

Includes instruction and exercises in whole numbers, multiple-step problems, factors, fractions, measurement systems, ratio, proportion, percent, and probability and statistics.

This is one in a series called Britannica's Pre-School Library - First Adventures in Learning Program.