Unit 1 Check-In

A prime number is...

• a number that has only one factor.
• a number that has at least two factors.
• a number that has more than two factors.
• a number that has only two factors.
  (1 and itself)

Tags

CCSS.4.OA.B.4

Which number is a multiple of 12?

• 36

• 40

• 6

• 3

A number having more than two factors is called

• Prime

• Composite

• Factor

• Multiple

Tags

CCSS.4.OA.B.4

All the factors of 15 are:

• 1, 2, 3, 5, 13, 15

• 1, 15

• 15, 30, 45, 60, 75

• 1, 3, 5, 15

A radio station is giving away a $10 bill to every 5th caller and movie tickets to every 6th caller. Which caller will be the first to win both prizes?

• 10

• 12

• 20

• 30

• 36

Tags

CCSS.6.NS.B.4

You and Mrs. Lawhorne are jogging around school property. It takes you 6 minutes and Mrs. L. 8 minutes to go around once. If we start at the same time in front of the school, how long till we meet again at the front?

• 12

• 16

• 24

• 36

• 48

Tags

CCSS.6.NS.B.4

CCSS.6.RP.A.3

What is the greatest factor of 28 and 49?

• 1
• 2
• 7
• 12

Tags

CCSS.6.NS.B.4

There are 40 girls and 32 boys who want to participate in 6th grade intramurals. If each team must
have the same number of girls and the same number of boys. What is the greatest number of teams that can participate in intramurals?

• 6
• 4
• 8
• 2

Tags

CCSS.5.NBT.B.6

Kiara baked 30 oatmeal cookies and 48 chocolate chip cookies to package in plastic containers
for her teacher friends at school. She wants to divide the cookies into identical containers so that each
container has the same number of each kind of cookie. If she wants each container to have the
greatest number of cookies possible, how many plastic containers does she need?

• 2
• 4
• 6
• 8

Tags

CCSS.5.NBT.B.6

CCSS.5.NF.B.3

Use a factor tree to find the prime factorization of 60

• 2x2x3x5

• 5x6x7

• 2x3x3x5

• 4x5x7