GCF and LCM
3 years ago
kendraemerson
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• Question 1
300 seconds
Q. Find the LCM of 12 and 6.
6
12
2
1
• Question 2
300 seconds
Q. 51 is a _____________ of 3
Factor
Multiple
• Question 3
300 seconds
Q. Which of the choices is a factor of 10?
2
4
6
8
• Question 4
300 seconds
Q. Which choice shows a multiple of 8?
8
4
2
1
• Question 5
180 seconds
Q. What is the GCF of 18 and 24?
3
6
8
9
• Question 6
60 seconds
Q. What is the GCF of 7 and 18?
7
18
1
3
• Question 7
60 seconds
Q. What are the factors of 25?
1, 2, 3, 5, 10, 15, 25
1, 5,  25
1, 25
1, 5
• Question 8
300 seconds
Q. Which is a NOT a factor of 9?
0
1
3
9
• Question 9
30 seconds
Q. What is the GCF OF 24 and 48?
52
58
24
48
• Question 10
60 seconds
Q. What is the least common multiple (LCM) of 4 and 10?
4
40
15
20
• Question 11
30 seconds
Q. Two neon signs are turned on at the same time. Both signs blink as they are turned on. One sign blinks every 9 seconds. The other sign blinks every 15 seconds. In how many seconds will they blink together again?
48 seconds
45 seconds
16 seconds
8 seconds
• Question 12
30 seconds
Q. Jenny goes to dance class every 6 days, karate class every 12 days, and to the library every 18 days. On December 1st she went to both classes and the library. On what date will she do both classes and go to the library?
24 days
36 days
42 days
52 days
• Question 13
30 seconds
Q. The school cafeteria serves tacos every sixth day and cheeseburgers every eight day. If tacos and cheeseburgers are both on today’s menu, how many days will it be before they are both on the menu again?
14 days
24 days
34 days
44 days
• Question 14
30 seconds
Q. Peter has 18 oranges, 27 pears and 12 bananas. He wants to make fruit baskets with the same number of each fruit in each basket. How many PEARS will be in the greatest number of fruit baskets?
7
8
9
10
• Question 15
30 seconds
Q. What number is a factor for EVERY number?
0
1
2
100
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