# NSBE - Convention 2018 - 56

```MATH TIPS
CONTINUED FROM PAGE 55

Sample 'Power of Two' Cards Game
Engineer: "Think of a number between 0 and 15, but don't tell me what it is."
Intern: "OK, I'm thinking of a number."
Engineer shows numbers on Card A to Intern and asks, "Is your number on this card?"
Intern: "Yes."
Engineer shows numbers on Card B to Intern and asks, "Is your number on this card?"
Intern: "Yes."
Engineer shows numbers on Card C to Intern and asks, "Is your number on this card?"
Intern: "No."
Engineer shows numbers on Card D to Intern and asks, "Is your number on this card?"
Intern: "Yes."
Engineer: "Your number is 13! Would you like to play again?"
RELATED EXERCISE: On paper, draw a table with 16 rows and four columns. Down the left side, label the rows "0"
through "15." Across the top, label the columns "Card A," "Card B," "Card C" and "Card D." For each column, fill out
the table with 1 for "Yes" or 0 for "No," to indicate whether the row number is present on the card.
Do you notice any patterns in the columns of 0's and 1's?

✁

Below is a set of four double-sided Power of Two Cards that you can cut out and keep in your backpack.

4 5 6 7

1 3 5 7

12 13 14 15

9 11 13 15

8 9 10 11

2 3 6 7

12 13 14 15

10 11 14 15

56 | CONVENTION 2018 |

www.nsbe.org

```
http://www.nsbe.org

# Table of Contents for the Digital Edition of NSBE - Convention 2018

Contents
NSBE - Convention 2018 - Cover1
NSBE - Convention 2018 - Cover2
NSBE - Convention 2018 - 1
NSBE - Convention 2018 - Contents
NSBE - Convention 2018 - 3
NSBE - Convention 2018 - 4
NSBE - Convention 2018 - 5
NSBE - Convention 2018 - 6
NSBE - Convention 2018 - 7
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NSBE - Convention 2018 - Cover3
NSBE - Convention 2018 - Cover4
https://www.nxtbook.com/nxtbooks/nsbe/convention2020
https://www.nxtbook.com/nxtbooks/nsbe/convention2019
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https://www.nxtbook.com/nxtbooks/nsbe/2009winter
https://www.nxtbook.com/nxtbooks/nsbe/2009fall
https://www.nxtbook.com/nxtbooks/nsbe/confguide09
https://www.nxtbook.com/nxtbooks/nsbe/20090304
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