Number System Fluency Review (March Madness)

Represent the greatest common factor (GCF) of 36 and 8 using the distributive property.

36 + 8 =

• 4(9 + 2)

• 2(18 + 4)

• 8(5 + 2)

• 11(3 + 1)

Havier's Bakery sells donuts in packages of 3 and cookies in packages of 5. Today the bakery sold the same number of donuts and cookies. What is the smallest number of donuts that the bakery could have sold?

• 5

• 30

• 15

• 6

During the winter months, Starbucks has a sale every 4 days and McCafe has a sale every 5 days. If stores had a sale today, when is the next time both stores will have sales on the same day?

• 1 day

• 8 days

• 40 days

• 20 days

Factors shared by two or more whole numbers are called:

• prime numbers

• common factors

• fractions

• operations

Sue has 18 CDs and 30 DVDs. He wants to place them onto the greatest number of shelves so that each shelf has the same number of CDs and the same number of DVDs. How many shelves will he use?

• 2

• 5

• 3

• 6

Meg’s hourly salary is $7.75. Last week she worked a 30-hour week. How much did she earn?

• $37.75

• $180

• $232.50

• $275

Bob has $25 to spend on the school field trip. After paying $14.00 for the cost of the field trip and $5.25 for lunch, how much will he have left?

• $5.75

• $12.75

• $12.00

• $18.50

• 1.25

• 4.12

• 22 loaves

• 11 loaves

• 2.75 loaves

• .75 loaves

If the GCF of two numbers is 9, why must both numbers be a multiple of 9? EXPLAIN.