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Introduces subtraction by showing groups of different objects, taking some away, and asking the reader how many are left.
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Introduces subtraction by showing groups of different objects, taking some away, and asking the reader how many are left.
Seguir leyendoText and photographs introduce the concept of graphing and present examples of two different kinds of graphs.
Seguir leyendoExplains that people take measurements to find out how tall, how long, how far, how fast, how heavy, how much,
Seguir leyendoWho was Abraham Lincoln? What was the Confederate States of America? When did the Civil War end? This book will
Seguir leyendoWho was George Washington? What was the Boston Massacre? When did the United States win its independence? This book will
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