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QUIZ

7th

grade

65%

accuracy

1K

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Daniela Rosario

5 years

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15 questions

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- 1. Multiple Choice30 seconds1 pt
The first six nonzero multiples of 7 are....

$7,\ 14,\ 28,\ 35,\ 42,\ 49\ \$

$7,\ 14,\ 21,\ 28,\ 35,\ 42\$

$14,\ 21,28,\ 35,\ 42,\ 49$

$1,\ 7,\ 14,\ 21,\ 28,\ 35\$

- 2. Multiple Choice30 seconds1 pt
Which of the following numbers is prime?

$39$

$108$

$98$

$79$ - 3. Multiple Choice30 seconds1 pt
The prime factorization of 104 is

$2+2+2+13$

$2\times2\times2\times13$

$2\times2\times1\times3$

$2\times2\times2\times3\times1$

- 4. Multiple Choice30 seconds1 pt
What number is represented by the prime factorization $2\times3\times3\times7?$

$120$

$1260$

$126$

$180$

- 5. Multiple Choice30 seconds1 pt
The GCF of 24 and 116 is

$3$

$29$

$8$

$4$ - 6. Multiple Choice30 seconds1 pt
The GCF of 72 and 90 is

$18$

$9$

$2$

$10$

- 7. Multiple Choice30 seconds1 pt
Use prime factorization tree to find the GCF of 285 and 525

$75$

$15$$19$

$7$

- 8. Multiple Choice30 seconds1 pt
Use prime factorization tree to find the GCF of 63 and 189

$9$

$63$

$27$

$7$

- 9. Multiple Choice30 seconds1 pt
Which two of the following are relatively prime?

$16$

$54$

$27$

$105$

- 10. Multiple Choice30 seconds1 pt
The first eight nonzero multiples of 6 are

$6,\ 12,\ 18,\ 30,\ 36,\ 42,\ 48,\ 54\$

$0,\ 6,\ 12,\ 18,\ 24,\ 30\ 36,\ 42\$

$1,\ 6,\ 12,\ 18,\ 24,\ 30,\ 36,\ 42\$

$6,\ 12,\ 18,\ 24,\ 30,36,\ 42,\ 48$

- 11. Multiple Choice30 seconds1 pt
Find the LCM of 7 and 6 using the listing method

$42$

$6$

$14$

$21$

- 12. Multiple Choice30 seconds1 pt
Find the LCM of 4 and 12 using the listing method.

$24$

$48$

$12$

$36$

- 13. Multiple Choice30 seconds1 pt
Find the LCM of 28 and 98 using the prime factorization method.

$196$

$4$

$49$

$53$

- 14. Multiple Choice30 seconds1 pt
Find the LCM of 8, 27 and 72 using the factorization tree method.

$216$

$8$

$27$

$6$

- 15. Multiple Choice30 seconds1 pt
If two numbers are relatively prime, how do you find their least common multiple?

Divide them

Subtract them

Add them

Multiply them

- Answer choicesTagsAnswer choicesTags
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