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Worksheet for finding the Greatest Common Factor (GCF) using factor trees.

A worksheet titled "Greatest Common Factor" with four problems requiring students to find the GCF using factor trees, including examples and space for solutions.

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ID: #601944

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1. (20, 30)
- 20 = 2 x 2 x 5
- 30 = 2 x 3 x 5
- GCF = 2 x 5 = 10

2. (45, 60)
- 45 = 3 x 3 x 5
- 60 = 2 x 2 x 3 x 5
- GCF = 3 x 5 = 15

3. (24, 36)
- 24 = 2 x 2 x 2 x 3
- 36 = 2 x 2 x 3 x 3
- GCF = 2 x 2 x 3 = 12

4. (18, 30)
- 18 = 2 x 3 x 3
- 30 = 2 x 3 x 5
- GCF = 2 x 3 = 6

Parent Tip: Review the logic above to help your child master the concept of greatest common factor factor trees worksheet.

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