Grade level: 4th – 5th grades

Skills: Rounding

Related environmental issues: Renewable Energy

The table below shows how much solar power was generated from the top five solar power generating states in the United States in December, 2017.

1. Round the number of Nevada to the nearest hundreds.
2. Rounded to the nearest tens, will North Carolina and Arizona have the same number or not?
3. The number of which state becomes 200 when rounded to the nearest hundreds? List all.
4. When rounded to the nearest ______, the number of California becomes 2,000.  A) ones B) tens C) hundreds D) thousands

The 5MW-Walt Disney World Solar Facility near the Walt Disney World Resort. (Orlando Sentinel)

Sources: U.S. Energy Information Administration, 2018. Electric Power Monthly (Table 1.17.A. Net Generation from Solar Photovoltaic)

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Answer Keys

1. 200
2. Yes.  Both numbers are rounded to 340
3. Nevada and Texas
4. D