WhAt is A CALenDAr 4 hoW Does A CALenDAr WorK 8 A MonthLy PLAn 12 FroM WorDs to nuMBers 16 you CAn MeAsure tiMe 20 Glossary 22 For More information 23 index 24 About the Author 24 table of Contents chapter one chapter two chapter three chapter four chapter five
5 We can use a calendar to measure time A calendar keeps track of the days weeks and months of the year Calendars show days weeks and months
