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Published byFrederick Henderson Modified about 1 year ago

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Hosted by Mrs. Zettler

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GCF Mystery LCM Prime Factorization

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Row 1, Col 1 What is the GCF of 32 and 48? What is 2 x 2 x 2 x 2 = 16

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1,2 What is 2? Divisibility Rules: If the last digit is an even number it is divisible by……?

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1,3 What is the Least Common Multiple of 3, 4, and 6? What is 12?

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1,4 What 3 x 7? What is the prime factorization of 21?

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2,1 What is the Greatest Common Factor of 36 and 48? What is 12?

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2,2 Identify if 31 is Prime or composite. What is Prime?

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2,3 Find the Least Common Multiple of 6 and 9. What is 18?

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2,4 Write the prime factorization of 80. What is 2 x 2 x 2 x 2 x 5?

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3,1 What is the greatest common factor of 28, 56, and 84? What is 2 x 2 x 7 = 28?

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3,2 What is composite? Identify if the number 140 is prime or composite.

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3,3 What is 36? Find the least common multiple of 4, 9, and 12

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3,4 Write the prime factorization of 42. What is 2 x 3 x 7?

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4,1 Jason is trying to make picnic lunches. He has 12 sandwiches, 18 apples, and 30 pieces of candy. How many lunches can he make if he wants each lunch to have the same number of each kind of food and use all of the food? What is 6 lunches?

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4,2 Tell whether the number 35,490 is divisible by 2, 3, 4, 5, 6, 9, or 10. What is 2, 3, 5, 6, and 10 ?

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4,3 Find the Least Common Multiple of 2, 4, and 11. What is 44?

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4,4 Write the prime factorization of 30. What is 2 x 3 x 5?

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5,1 Hayden is organizing her marble collection into boxes so that each box has the same number of each. She has 30 red marbles, 24 blue marbles, and 48 yellow marbles. What is the greatest number of boxes she can use? What is 6 boxes?

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5,2 Tell whether the number 3,456 is divisible by 2, 3, 4, 5, 6, 9, or 10. What is 2, 3, 4, 6, and 9?

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5,3 Sally is selling breakfast bags. She needs to sell 24 bags today. Muffins come 3 to a pack, bagels come in packs of 4, and fruit bars come in packs of 6. How many packs of each item will she need to buy to make the 24 bags with no leftovers? What is Muffins=8, Bagels= 6, and Fruit Bars= 4?

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5,4 Write the prime factorization of 185. What is 5 x 37?

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