4.2 Unit Review (Patterns, Factors, Prime, ...)

What are ALL the factors of 24?

• 2, 3, 4, 6, 8

• 1, 2, 3, 4

• 1, 2, 3, 4, 6, 8, 12, 24

• 1, 2, 4, 6, 12, 24

Match the following

• FACTOR PAIR

• the TWO factors you multiple to get a product

• PRIME NUMBERS

• The digits you multiply together in a multiplication equation

• COMPOSITE NUMBERS

• only has 1 factor pair

• PRODUCT

• the answer to a multiplication problem

• FACTOR

• has more than 1 factor pair

Which factors do 16 and 28 have in common? (select all that apply)

• 1

• 7

• 4

• 16

• 2

A _________ number is a number that only has 1 and itself as factors.

• compostie

• prime

• even

• odd

Which is a list of ONLY composite numbers?

• 6, 9, 11, 15, 18

• 2, 4, 6, 8, 10, 12

• 8, 24, 32, 40

• 1, 2, 3, 4, 5

The first number in the pattern is 5. The pattern follows the rule "Add 3". What is the 4th number in the pattern?

• 14

• 17

• 11

• 8

Mike has bag of jelly beans. He starts with 7 jelly beans on day 1. Each day he adds 2 jelly beans. How many jelly beans are in Mike's bag on the 7th day?

• 9

• 17

• 21

• 19

What is the missing factor?

____ X 11 = 121

• 11

• 12

• 9

• 21

SELECT ALL the TRUE equations:

• 9 x 9 = 81

• 7 x 8 = 64

• 6 x 4 = 24

Sue has 3 bracelets. She began buying bracelets in packs of 4. How many total bracelets will she have after buying 8 more packs?

• 11

• 31

• 35

• 32