Probability Prompt: Positive Cards

1. You and your tablemates have 5 minutes to respond to the prompt.
2. Check for spelling, please.
3. When responding to a prompt, use first names only and include the period.
4. If another group has made a comment, feel free to comment if you agree or disagree.
Note: You must include the email address of one person in your table group. Otherwise it will not accept your comment. Your address will not be published. No website address is required.

Positive Cards Prompt
You are playing the integer card game with a friend. Red cards represent negative numbers and blacks are positive numbers. Recall there are 52 cards in a deck. If you each flip over a card, what is the probability that both cards will be positive? Explain your reasoning.


  1. Kim, Ivy, Izzy, Jeannine said

    There is a 1/4 chance that you will flip over both positive cards because there are 4 possible combinations, positive-positive, positive-negative, negative-negative, and negative-positive. Each combination has one chance out of 4 combinations. Therefor there is a 1/4 chance.

    -Kim, Ivy, Izzy, Jeannine period 4 math 7*

  2. casey,noah,michael, courtney said

    If you have a deck of cards there is four different options that you could have. 1: red black 2:black red 3: black black 4: red red. If you want black black the probability is 1/4.

  3. Max said

    If You divide 52 by 4 you get 13 which means it is a 25%chance you will get black and black.

  4. Phina, Matt, Milena said

    The chance you will get a red card and another red card is 25% because there are four possibilities.

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