Unit of Time Conversion

How many years are in a decade?

• 10

• 12

• 5

• 20

Tags

CCSS.4.MD.A.1

How many decades are in a century?

• 20

• 5

• 100

• 10

Tags

CCSS.4.MD.A.1

Convert 3 decades into years.

• 100 years

• 50 years

• 30 years

• 10 years

Tags

CCSS.4.MD.A.1

Convert 5 centuries into decades.

• 100 decades

• 50 decades

• 25 decades

• 10 decades

Tags

CCSS.4.MD.A.1

• • If the Arawaks lived in Jamaica around 800 AD, and the first Spanish settlers arrived in 1510 AD, how many years passed between these two events?

If Jamaica gained independence in 1962 AD, how many years has it been independent as of the current year (2023)?

Tags

CCSS.3.MD.A.1

• If a decade is 10 years, a century is 100 years, and a millennium is 1000 years, how many decades and centuries are there in a millennium?

Tags

CCSS.4.MD.A.1

If a building was constructed 150 years ago, in which century was it built?

• 19th century

• 21st century

• 20th century

• 18th century

How many years are in 4 decades?

• 40

• 20

• 100

• 10

Tags

CCSS.4.MD.A.1

Convert 300 years into centuries.

• 30 centuries

• 3000 centuries

• 3 centuries

• 0.3 centuries

Tags

CCSS.4.MD.A.1