3-2 Find GCF and LCM

Find the GCF for 21 and 49

Tags

6.NS.B.4.a

Find the GCF for 8 and 52.

Tags

6.NS.B.4.a

Find the LCM for 12 and 11.

Tags

6.NS.B.4.a

Find the LCM for 4 and 12.

Tags

6.NS.B.4.a

Which expression is equivalent to 48 + 60?

• 12(4 + 5)

• 12(8 + 5)

• 6(6 + 10)

• 6(8 + 12)

Tags

6.NS.B.4.b

Which expression is equivalent to 30 + 66

• 3(10 + 66)

• 5(6 + 11)

• 6(5 + 10)

• 6(5 + 11)

Tags

6.NS.B.4.b

Find the prime factorization of 27.
(Hint: Make a factor tree.)

• 3 x 2 x 3

• 3 x 3 x 3

• 3 x 2 x 2

• 3 x 3 x 3 x 3

Find the prime factorization of 30.
(Hint: Make a factor tree.)

• 5 x 6 x 1

• 3 x 3 x 5

• 2 x 3 x 5

• 3 x 10

Ms. Meadows is making picnic lunches. She wants to buy as many bags of Takis and bottles of Mountain Dew, but no more than she needs to have an equal number of each. There are 6 Mountain Dew bottles per pack and 8 Taki bags per pack.

How many packages of each should Ms. Meadows buy?

• 2 packages of Mountain Dew and 3 packages of Takis

• 4 packages of Mountain Dew and 3 packages of Takis

• 4 packages of Mountain Dew and 4 packages of Takis

• 3 packages of Mountain Dew and 4 packages of Takis

Mrs. Miller has 50 chocolate donuts and 75 glazed donuts. She wants to make as many identical bags as possible. Each bag should have an equal number of chocolate donuts and an equal number of glazed donuts.

What is the greatest number of bags she can fill?