# Divisible Prime Composite Prime Factorization GCF LCM 100

• Slides: 53

Divisible? Prime? Composite? Prime Factorization GCF LCM \$100 \$100 \$200 \$200 \$300 \$300 \$400 \$400 Final Jeopardy \$500 Mixed Word Problems

C 1 \$100 What are the first 3 multiples of 12? 12, 24, 36 12, 20, 24 2, 3, 4 1, 12, 24

C 1? \$100 12, 24, 36

C 1 \$200 • Determine whether 447 is prime or composite. • Explain how you came to your conclusion.

It is composite. C 1 \$200 The sum of the digits (4+4+7) is equal to 15, therefore, it is divisible by 3.

C 1 \$300 Lucas says that the prime factorization of a number (x) is 2 x 5 x 25 Why is Lucas wrong?

C 1 \$300 He is wrong because 25 is not a prime number. The correct prime factorization would be?

C 1 \$400 List the first 5 multiples of 20

C 1 \$400 20, 40, 60, 80, 100

C 1 final The final Jeopardy answer is: What is the amount of simple interest for an investment of \$300 for 3 years at a rate of 6% per year? Use the fprmula (PRT) Timer

C 1 final \$54

C 2 \$100 What is the prime factorization of 273

C 2 \$100 3*7*13

C 2 \$200 Which shows the prime factorization of 30? A)2 * 15 B)3 * 10 C)2 * 3 * 5 D)2 * 3 * 5

C 2 \$200 c) 2 * 3 * 5

C 2 \$300 Shows the prime factorization for what number?

C 2 \$300 96

C 2 \$400 Find the missing factor. 2*___ *7 = 1, 008

C 2 \$400 3

C 2 \$500 Determine if the number is divisible by 2, 3, 4, 5, 6, 9 432

C 2 \$500 2, 3, 4, 6, 9

C 3 \$100 Find the GCF of 135, 81

C 3 \$100 27

C 3 \$200 The number 5 is the GCF of which pair of numbers? a) 5 and 6 b) 13 and 20 c) 25 and 30 d) 15 and 30

C 3 \$200 c) 25 and 30

C 3 \$300 What is the GCF of 18, 45, 16

C 3 \$300 1 (this means they are relatively prime )

C 3 \$400 Find the GCF of 64, 80, 120

C 3 \$400 8

C 3 \$500 Find the GCF of the following numbers by using the list method. 18, 30

C 3 \$500 6

C 4 \$100 Find the LCM of 3, 12, and 18 by listing the multiples.

C 4 \$100 3 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36 12 12, 24, 36, 48 18 18, 36

C 4 \$200 Find the LCM of 318 and 36

C 4 \$200 1, 908

C 4 \$300 LCM 14, 21, 27

C 4 \$300 378

C 4 \$400 Explain how the LCM of two numbers can be one of the numbers.

C 4 \$400 The LCM can be of the two numbers if one of the numbers is a multiple of the other ex: 3, 6

C 4 \$500 Find the LCM of and GCF of 12, 132, 24

C 4 \$500 GCF= 12 LCM = 264

C 5 \$100 Every 30 th customer at Dunkin’ Donuts gets a free donut. Every 105 th customer gets a \$100 gift card. Which customer will receive both? LCM or GCF then solve…. Hint---- use your notes for help. .

C 5 \$100 The 210 th customer! What mistake did Chase make when he said it was 15? Chase only multiplied the common factors… and it would be impossible!

C 5 \$200 Shannon is making identical balloon arrangements for a party. She has 32 maroon balloons, 24 white balloons, and 16 orange balloons. She wants each arrangement to have the same number of each color. What is the greatest number of arrangements that she can make if every balloon is used?

C 5 \$200 8 arrangements

C 5 \$300 Mrs. Green and Mrs. Carlson give a test on the same day. Mrs. Green gives a Social Studies Test every 9 days and Mrs. Carlson gives one every 6 days. In how many days will they have one again at the same time?

C 5 \$300 18 days

C 5 \$400 Samantha has two pieces of paper. One piece is 85 inches wide and the other piece is 90 inches wide. She wants to cut both pieces into strips of equal width that are as wide as possible. How wide should she cut the strips?

C 5 \$400 5 inches each

C 5 \$500 Rosa is making a game board that is 16 inches by 24 inches. She wants to use square tiles. What is the largest tile she can use?

C 5 \$500 8 in is the largest tiles

This Jeopardy game was created by (Mrs. Carlson) Nice JOB! This Jeopardy template was created by Dr. Robert Pettis, Director An Adventure of the American Mind, University of South Carolina Spartanburg