Working With Historic TimeWorking With Historic TimeB.C.B.C. “Before Christ” “Before Christ”

Time period before Jesus was born.Time period before Jesus was born.

B.C.EB.C.E “Before Common Era”“Before Common Era”

Non-religious term used for time before JesusNon-religious term used for time before Jesus

B.C and B.C.E are basically the same!B.C and B.C.E are basically the same!

A.D.A.D. “Anno Domini” – in the year of the Lord (Latin)“Anno Domini” – in the year of the Lord (Latin)

Refers to time periods since birth of JesusRefers to time periods since birth of Jesus

C.E.C.E. “Common Era”“Common Era”

Non-religious term used for time since JesusNon-religious term used for time since Jesus

A.D. and C.E. are basically the same!A.D. and C.E. are basically the same!

Using an Historic TimelineUsing an Historic TimelineUsing an historic timeline is much like using a number line Using an historic timeline is much like using a number line in math with one major difference – in math with one major difference – there is no zerothere is no zero!!

When using an historic timeline, think of the A.D. / C.E. side like the positive numbers on a number line.

Think of the B.C. / B.C.E. side like the negative numbers on a number line.

Sample Timeline ProblemsSample Timeline Problems

1.1. Granny Jones was born in 1920 C.E. and died in 2006 C.E. Granny Jones was born in 1920 C.E. and died in 2006 C.E. How old was she when she died? How old was she when she died?

2.2. Gramps Wilson died in 2003 A.D. at the age of 97. In Gramps Wilson died in 2003 A.D. at the age of 97. In what year was he born?what year was he born?

3.3. An archaeologist uncovered the remains of a human who An archaeologist uncovered the remains of a human who lived from approximately 1750 B.C. and died around 1720 lived from approximately 1750 B.C. and died around 1720 B.C. How old was this individual when they died?B.C. How old was this individual when they died?

4.4. Using the same person from above, how many years ago Using the same person from above, how many years ago did they die?did they die?

5.5. If Queen Nefertiti died in 1335 B.C.E. at age 42, in what If Queen Nefertiti died in 1335 B.C.E. at age 42, in what year was she born?year was she born?

CENTURIESCENTURIES

CenturyCentury a time period of 100 yearsa time period of 100 years

**** Because there is no “year zero,” centuries Because there is no “year zero,” centuries alwaysalways begin with a year ending in the number “1” begin with a year ending in the number “1” and end in and end in a year ending with “00.”a year ending with “00.”

**** In order to name the century, take the “00” off the In order to name the century, take the “00” off the last last year of the century, and that is its name.year of the century, and that is its name.

ExamplesExamples:: 1-100 C.E. 1-100 C.E. 11stst Century C.E. Century C.E. 1301 – 1400 A.D. 1301 – 1400 A.D. 1414thth Century A.D. Century A.D. 700-601 B.C. 700-601 B.C. 77thth Century B.C. Century B.C.

Sample Century ProblemsSample Century Problems1.1. The years 501 - 600 C.E. would be The years 501 - 600 C.E. would be

the ________ century.the ________ century.2.2. The years 1701 – 1800 A.D. would The years 1701 – 1800 A.D. would

be the ________ century.be the ________ century.3.3. The 14The 14thth century A.D. would century A.D. would

comprise what years?comprise what years?4.4. The 8The 8thth century C.E. would comprise century C.E. would comprise

what years?what years?5.5. The 1The 1stst century B.C. would comprise century B.C. would comprise

what years?what years?