Worksheet directions

Grade 6 • Review • Choose a strategy for each problem. Explain or check your thinking where requested.

Sample questions

1. Write 12 + 20 as a common factor times a sum whose two terms have no common factor greater than 1. Explain using a split rectangle.
2. Write 6 + 10 as a common factor times a sum whose two terms have no common factor greater than 1. Explain using a split rectangle.
3. Write 15 + 20 as a common factor times a sum whose two terms have no common factor greater than 1. Explain using a split rectangle.
4. Write 9 + 15 as a common factor times a sum whose two terms have no common factor greater than 1. Explain using a split rectangle.
5. Write 15 + 25 as a common factor times a sum whose two terms have no common factor greater than 1. Explain using a split rectangle.
6. Write 9 + 12 as a common factor times a sum whose two terms have no common factor greater than 1. Explain using a split rectangle.

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Common Core connections

Source labels: 6.NS.B.4. Review the learning goals below to check the fit for your class.

• 6.NS.B.4 — Greatest common factor, least common multiple

Bring it into your lesson

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