Transcript Understanding Timelines

Understanding Timelines
• Which way do we go ?
Left to Right
What do the terms
mean?
AD-CD?
BC-DC?
The terms have been
changed!!!
• BC is now BCE which means Before
the Common Era
• AD is now CE which means ?????????
• Common Era
How Old are You?
CALCULATING TIME
BCE
There is no zero on this number line.
1
CE
BCE
2000
CE
1000
1750
1
1000
2004
1600
How many years ago is 1750 BC?
How many years passed between 2000 BC
and 1600 CE?
THINGS TO REMEMBER ABOUT TIME
LINES:
ARE READ LEFT TO RIGHT
ADD WHEN DATES ARE ON BOTH
SIDES BCE and CE
SUBTRACT WHEN DATES ARE ON
ONE SIDE ONLY
• IF SOMEONE WAS
BORN IN 225 BCE,
HOW OLD WOULD
THEY BE IN 200 BCE?
•IF SOMEONE WAS
BORN IN 2 BCE,
HOW OLD WOULD
THEY BE IN 55 CE?
Create a Timeline of your Life
2009