Review - prime/composite/GCF/LCM

Is 0 a prime or composite number or neither?

• prime

• composite

• neither

Is 15 a prime or composite number or neither?

• prime

• composite

• neither

Is 49 a prime or composite number or neither?

• prime

• composite

• neither

Is 1 a prime or composite number or neither?

• prime

• composite

• neither

What is a factor?

• A number that you subtract from another number.

• A number with more than 2 multiples

• A number that divides evenly into another number.

• A number that you add to another number.

Tags

CCSS.6.NS.B.4

What is a composite number?

• A whole number greater than 1 that has more than 2 factors.

• A whole number greater than 1 that has exactly 2 factors, 1 and itself.

• A number that divides evenly into another number.

• A number that you multiply by another number.

What is a prime number?

• A whole number greater than 1 that has more than 2 factors.

• A whole number greater than 1 that has exactly 2 factors, 1 and itself.

• A number that divides evenly into another number.

• A number that you multiply by another number.

What is the prime factorization of 48? - make a factor tree.

• 2 x 3 x 8

• 2 x 2 x 3 x 4

• 2 x 2 x 2 x 3

• 2 x 2 x 2 x 2 x 3

Tags

CCSS.4.OA.B.4

The teachers were making goody bags of candy. They have 36 packs of skittles and 24 packs of starbursts. What is the greatest number of goody bags they can make so that every bag has the same number of packs of skittles and same number of packs of starbursts, with none left over?

• 6 bags

• 4 bags

• 12 bags

• 72 bags

Tags

CCSS.6.NS.B.4

Colt is riding his bike around the park and Audrey is jogging around the same park. Colt can complete a lap in 4 minutes and Audrey can complete a lap in 10 minutes. They started at the same time from the same place. How long will it be until they meet again at the starting place?

• 10 minutes

• 20 minutes

• 30 minutes

• 40 minutes

Tags

CCSS.6.NS.B.4