Arbor Day

green-leaves-clip-art-1267255Grade level: 4 – 5th

Skills:  Place value (large number)

Related environmental issues:  Environmental Events

Area level: National

Arbor Day  is an annual observance that encourages individuals and groups to plant trees and care for them. Arbor Day was first observed in in Nebraska in 1872.  More than one million trees were planted on the first Arbor Day.

  1. Write one million in numbers.
  2. How many thousands make one million?

Source:  Arbor Day Foundation

Answer keys

  1. 1,000,000
  2. one thousand thousands

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