Prime Time (Investigation 2)

What are the first 7 multiples of 5?

• 7, 14, 21, 28, 35

• 5, 10, 15, 20, 25, 30, 35

• 5, 15, 25, 35, 45, 55, 65

• 5, 10, 15, 21, 25, 29, 34

L.C.M. stands for ....

• LAST common math fact.

• LEAST clustered melon.

• LEAST common MULTIPLE

• Lowest common MUDPIE

Which factor list is complete for 24?

• (1, 2, 3, 5, 6, 8, 12, 14)

• (1, 2, 3, 5, 6, 8, 12, 22)

• (1, 3, 4, 6, 8, 24)

• (1, 24, 2, 12, 3, 8, 4, 6)

G. C. F. stands for.....

• GRANDEST clustered fruit

• Greatest COMMON factor

• GREATEST clock feature

• Good CAKE for FRIENDS

What are the first three common multiples of 8 and 12?

• 24, 36, 52

• 24, 36, 48

• 24, 48, 64

• 24, 48, 72

What is the L.C.M. of 20 & 25?

A restaurant is open 24 hours a day. The manager wants to divide the day into work shifts of equal length. The shifts can NOT overlap. All shift duration should be a whole number of hours. Pick two that fit this situation.

• Three shifts of 8 hours each.

• Four shifts of 9 hours each.

• Six shifts of 4 hours each.

• Seven shifts of 3.5 hours each.

What is the G.C.F of 18 & 30 ?

What is the G.C.F. of 60 & 45 ?

For which pair of numbers is the G.C.F. of 8 ?

• 2 and 4

• 7 and 15

• 32 and 64

• 56 and 72