Grade level: 4th – 5th grades
Skills: Fraction (multiplication/division)
Related environmental issues: Reduce/Reuse/Recycle
Recycling paper prevents many trees from being cut down for paper. It is estimated that we can save one tree by recycling a stack of newspaper 3 feet high.
 Sean recycled a stack of newspaper 23 feet high. How many trees did Sean save by recycling the newspaper? Answers must be fractions in mixed numbers.

To save 13 1/6 trees, a stack of how many feet of newspaper Does Sean need to recycle? Convertfractions into mixed numbers.

Maya wants to save 18 2/3trees. She gathered newspaper to recycle and made a stack of newspaper 55 feet high. Did she gather enough newspaper? Explain.
Source: Recycle Across America, Recycling facts
Answer keys