Descrizione
In this book, readers learn what the clock measures and why knowing how to tell time--in seconds, minutes, and hours--is important. They learn the history of the clocks, including sundials and hourglasses. They also learn how to read analog and digital clocks to tell time. Sidebars instruct math by showing readers how to add and subtract hours.
Dettagli del libro
Formato
Kindle
Pagine
24 pagine
Lingua
Inglese
Pubblicato
gen 1, 2014
Editore
The Child's World
ISBN-10
1631431374
ISBN-13
9781631431371