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```Multiplication Boxing
Skill: Practice using the partial products (area model) algorithm.
Materials: Deck of cards, with Tens, Jacks, and Kings removed.
Queens count as 0.
Players: 2
Object of the game: To get the larger product of two 2-digit
numbers
Directions:
 One player shuffles the deck of cards and places it number
side down.
 Each player draws 4 cards and forms two 2-digit numbers.
Players should form their numbers so their product is as
large as possible.
 Players create 2 “boxing teams” by writing each of their
numbers as a sum of tens and ones.
 Next, each player’s 2 teams “box.” Players multiply each
member of their first team by each member of their second
team. Then the 4 products are added. The player with the
larger product wins the round and receives 1 point.
 To begin a new round, players draw 4 new cards to form 2
new numbers. A game consists of 3 rounds.
Variations:
 Play with 10 sided dice, single digit and decades and roll
dice to create number.
 Instead of earning a point for winning, students could add
together their three products, and the person with the
greater sum is declared the winner.
 Change the game by having students try to make the
smallest product.
 Make the goal to be the person who has a product closest
to 2500. Students would need to multiply, then find the
difference between their product and 2500.
Multiplication Boxing
Player: ___________________________
Results: Round 1 _______ Round 2 _______ Round 3 _______
Cards : _______
_______ _______ _______
Numbers formed:
_______ * _______
Teams: ( _______ + _______ ) * ( _______ + _______ )
Total (add 4 products):
_______
Multiplication Boxing (Sample)
Player:
Martha
Results: Round 1 _______ Round 2 _______ Round 3 _______
Cards :
3
4
Numbers formed:
Teams: ( 90 +
5
9
93 x 54
3 ) x(
50
+
50
90
+
3
4
+
)
4
90 x 50 =
4500
90 x 4 =
360
3 x 50=
150
3x4=
12
Total (add 4 products): 4500 + 150 + 360 + 12 = 5022
```
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