About Time-7th Grade Math Lab

Find the distance in years between the milestones that took place in:

4,000 BC and 7,000 BC

• -3,000 years

• 3,000 years

• 3,000 BC

• 11,000 years

Write the year 56,000 BC as an integer.

• 56,000

• -56,000

Write the year 1267 as an integer.

• 1,267

• -1,267

Put the milestones in chronological order.

Milestone A: 1900

Milestone B: 1900 BC

Milestone C: 2000

Milestone D: 1000 BC

• A B C D

• D B A B

• B D A C

• C A D B

Find the distance in years between the milestones that took place in:

7,500 BC and 2002

• 9,502 years

• -5498 years

• 5498 years

• 9,502 BC

Find the distance in years between the milestones that took place in:

1550 and 2010

• -460 years

• 460 years

• 460 BC

• 3560 years

BC represents...

• positive integer

• negative integer

When finding the distance in years between two milestones...

• subtract: "older" milestone - "newer" milestone

• subtract: "newer" milestone - "older" milestone

• add both milestones together

How would you rewrite 2000BC and 4000 to find the distance between them?

• 2000-4000

• 4000-2000

• 4000- (-2000)

• -2000-4000

How would you rewrite 1050 and 2003 to find the distance between them?

• 1050 + 2003

• 2003 + 1050

• 1050- 2003

• 2003-1050