1. Why is a timeline helpful when comprehending historical events?

2. Comparing Number lines and Timelines
by Mrs. Smith

3. Comparing Number lines and Timelines

4. Definition (Positive number on a Number line)
Positive number – a number greater than zero. 1 2 3 4 5 6

5. Comparing Number lines and Timelines
Positive number – a number greater than zero.

6. Definition (Negative number on a Number line)
Negative number – a number less than zero. -6 -5 -4 -3 -2 -1

7. Comparing Number lines and Timelines
Positive number – a number greater than zero.
Negative number – a number less than zero.

8. Definition (Numbers AFTER 0 on a Timeline)
A.D. – Anno Domini “in the year of our lord”
C.E. – Common Era 1 2 3 4 5 6
A.D.
C.E

9. Comparing Number lines and Timelines
Positive number – a number greater than zero.
Negative number – a number less than zero.
Numbers AFTER 0 on a Timeline
A.D. – Anno Domini “in the year of our lord”
C.E. – Common Era

10. Definition (Numbers BEFORE 0 on a Timeline)
B.C. – Before Christ
B.C.E. – Before Common Era 6 5 4 3 2 1
B.C.
B.C.E.

11. Comparing Number lines and Timelines
Positive number – a number greater than zero.
Negative number – a number less than zero.
Numbers AFTER 0 on a Timeline
A.D. – Anno Domini “in the year of our lord”
C.E. – Common Era
Numbers BEFORE 0 on a Timeline
B.C. – Before Christ
B.C.E. – Before Common Era

12. Definition (Number line)
Opposite Numbers – numbers that are the same distance from zero in the opposite direction -6 -5 -4 -3 -2 -1 1 2 3 4 5 6

13. Comparing Number lines and Timelines
Positive number – a number greater than zero.
Negative number – a number less than zero.
Opposite Numbers – numbers that are the same distance from zero in the opposite direction
Numbers AFTER 0 on a Timeline
A.D. – Anno Domini “in the year of our lord”
C.E. – Common Era
Numbers BEFORE 0 on a Timeline
B.C. – Before Christ
B.C.E. – Before Common Era

14. Definition (Timeline)
Opposite Years – years that are the same distance from zero in the opposite direction 6 5 4 3 2 1 1 2 3 4 5 6
B.C. or B.C.E.
A.D. or C.E.

15. Comparing Number lines and Timelines
Positive number – a number greater than zero.
Negative number – a number less than zero.
Opposite Numbers – numbers that are the same distance from zero in the opposite direction
Numbers AFTER 0 on a Timeline
A.D. – Anno Domini “in the year of our lord”
C.E. – Common Era
Numbers BEFORE 0 on a Timeline
B.C. – Before Christ
B.C.E. – Before Common Era
Opposite Years – years that are the same distance from zero in the opposite direction.

16. Review Timeline Labeling
Years/Dates – are labeled with either B.C./B.C.E. or A.D./C.E. after the date is written/displayed.
These labels will tell you if the date is before or after the zero.
767 B.C A.D.
767 B.C.E C.E.

18. Here is an example of how to create your timeline:
1903 CE
734 BCE
21,000 BCE
730 CE
1194 BC
2006 AD
1592 AD
1359 BC
1359 BC
734 BCE
730 CE
1903 CE
1592 AD
21,000 BCE
1194 BC
2006 AD

19. Here is your finished timeline!
1359 BC
734 BCE
730 CE
1903 CE
1592 AD
21,000 BCE
1194 BC
2006 AD

20. Lets Practice Making a Timeline
With your group you will;
Draw a blank timeline on your piece of butcher paper.
Place the date cards in order on the blank timeline.
Rotate to the next group and place those date cards in the right order.