Finding Factors with Area Models Gizmo

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Finding Factors with Area Models

Find factors of a number using an area model. Reshape the area rectangle to see different factorizations of the number. Find the prime factorization using a factor tree.

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Assessment Questions (4):

Which of the following is not a prime number?
- A. 13
- B. 15
- C. 17
- D. 19
The number 105 is:
- A. a prime number.
- B. a composite number.
- C. a prime factorization.
- D. None of the above.
Which of the following is not a prime factorization?
- A. 2 • 2 • 5 • 7
- B. 2² • 5 • 7
- C. 2 • 2 • 7 • 5
- D. 2 • 2 • 5 • 8
What is the prime factorization of 36?
- A. 1 • 36
- B. 4 • 9
- C. 2 • 3 • 6
- D. 2² • 3²

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