*Grade level: 5th*

*Skills: Read and write decimals *

*Related environmental issues: Reduce, reuse & recycle*

*Area level: Household*

The table below shows on average, how much waste was generated from one person a day between 1960 and 2010 in the United States .

- Write the number of the year 1960 in words.
- Which year has the number shown as four and seventy-four hundredths?
- Write the number in the year 1990 as expanded number.
- Which year has the number shown as (3 x 1) + (2 x 1/10)+ (5 x 1/100)?
- Which two years have the same number in the tenths place and the hundredth place?

Source: US Energy Information Administration

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Answer keys

- two and sixty-eight hundredths
- year 2000
- (4 x 1) + (5 x 1/10)+ (7 x 1/100)
- year 1970
- year 1980 and year 2010

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