Foundations of Math I|2

Foundations of Math I.

PART II

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Question 1 de 10

1. Find the GCF of 9 and 45.

27

45

CORRECT!

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Question 2 de 10

2. Find the GCF of 12 and 25.

300

12

25

CORRECT!

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Question 3 de 10

3. What is the short way to write the greatest common factor?

MIA

LCM

GCF

SOS

Expression

CORRECT!

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Question 4 de 10

4. A factor is defined as the different numbers that can be multiplied together to arrive at the original number. Which choice below is the complete list of factors of 30?

30, 60, 90, 120, 150, ...

2, 3, 5, 6, 10, 15

1, 2, 3, 5, 6, 10, 15, 30

30, 60, 90, 120, 150

1, 30

CORRECT!

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Question 5 de 10

5. Find the GCF of 15 and 35.

15

CORRECT!

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Question 6 de 10

6. Find the LCM of 5 and 20.

40

25

20

CORRECT!

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Question 7 de 10

7. For which of the number pairs below could you NOT use the shortcut of simply multiplying the two numbers together to find the LCM?

2 and 21

4 and 15

5 and 11

3 and 8

6 and 15

CORRECT!

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Question 8 de 10

8. Find the LCM of 13 and 15.

390

210

45

195

CORRECT!

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Question 9 de 10

9. What is the shorthand way of writing the least common multiple?

SOS

Expression

MIA

GCF

LCM

CORRECT!

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