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PrimePak

Factor Thinking Games
Master multiplication facts
and divisibility rules while having fun playing card games with this
unique deck of 171 cards. In all four games players form factor sets.
Because 80 = 8 x 10, the numbers 80, 8, and 10 form a factor set. Factor
sets can have more than three numbers. For example, the set 42, 3, 2 and
7 is also a factor set. Prime wild cards are used for prime numbers
only. Ages 7 to Adult.
Price: $15
Four Card Games
Prime
Challenge

Players in turn form factor sets from a 12card (or 9card)
foundation. Challenges are made by opponents when a player overlooks factor
sets or makes a mistake.
Prime
Solitaire  To
win, a player must clear a foundation by forming factor sets.
This must be done before going through the draw pile once, one card at a
time.
Factor
Rummy  Holding
a hand of 11 (or 10) cards, players try to be the first to fill their
hand with factor sets.
Prime
Canasta  A
sophisticated Factor Rummy game. For serious players.
See What
People Are Saying about PrimePak! 
Six
Deck Levels
The
PrimePak deck of 171 cards adapts to many levels by removing
certain cards. Six deck levels are defined in the rules booklet. Players
play with deck level 1 (then 2 and 3) until they have mastered the
multiplication facts. They continue playing at level 3 until they learn
to think of numbers in factored form. The rules booklet includes
important divisibility rules and factoring strategies.
Factor Sets 
A factor set must contain a result and the numbers that multiply
to give that result.
Prime wild cards are used for prime numbers only. The
prime numbers included in the full deck are 2, 3, 5, 7, 11, 13,
17 and 19.
Attention
Teachers!
Also Available:
PrimePak
Transparency
Deck

