Games

Answer to yesterday’s Guess That Estimation Challenge:

The average reader can read 275 words per minute.

Today’s Activity: Integer Addition Number Battle

Players:

Groups of two

Materials:

Deck of Cards, Ace worth 11, Jack worth 12, Queen worth 13, King worth 14, paper and pencil

How to Play:

Black cards are positive numbers
Red cards are negative numbers
Players split a deck of cards and simultaneously flip over their top two cards.
Remember -2 is greater than -7

Player 1: Sum is 7                                                           Player 2: Sum is -5

The highest sum wins all 4 cards, so in the example above Player 1 collects the 10, 3, Queen and eight.

Player 1: Sum is -5                                                         Player 2: Sum is 14

If the flipped cards have the same value (example -13 + 10 = -3 and -7 + 4 = -3), the cards are placed in a center pile. The next hand is played normally and the winner of the next addition number battle takes the center pile as well.

Resource: Acing Math