Math 6 Unit 1A test review

What is the GCF of 18 and 24?

• 3

• 6

• 8

• 9

Tags

CCSS.6.NS.B.4

What is the GCF of 4 and 12?

• 3

• 1

• 6

• 4

Tags

CCSS.4.OA.B.4

What is the GCF of 20 and 30?

• 5

• 2

• 10

• 20

Tags

CCSS.4.OA.B.4

List the first 5 prime numbers:

• 1,2,3,4,5

• 2,3,4,5,6

• 2,3,5,7,8

• 2,3,5,7,11

Is 35 prime or composite?

• prime

• composite

Tags

CCSS.4.OA.B.4

Which list has only prime numbers?

• 2, 3, 4, 5

• 1, 5, 7, 9

• 2, 3, 5, 7

• 2, 4, 6, 8

Tags

CCSS.4.OA.B.4

Which list is only composite numbers?

• 1, 3, 4

• 2, 4, 6

• 4, 6, 8

• 5, 6, 8

Tags

CCSS.4.OA.B.4

Find the prime number.

• 0

• 1

• 7

• 4

Tags

CCSS.4.OA.B.4

which number below is NOT prime?

• 7

• 9

• 2

• 3

Tags

CCSS.4.OA.B.4

Composite numbers:

• Are always bigger than prime numbers

• Have more than 2 factors

• Have 2 pairs of factors

• Don't have factors

Tags

CCSS.4.OA.B.4