Texas Instruments TI-73 Teachers Manual page 61

56
Using the TI-73: A Guide for Teachers
Activity — Part A
Have students perform the steps unless otherwise
indicated. Have them play the game "Get Ahead with More
Heads." The instructions follow.
1. Group students into pairs.
2. Using the coin-toss function of the TI-73, toss 5 coins.
a. Return to the Home screen.
- l
b. Access the
1 " " S
c. Toss 5 coins.
R E b
3. Explain to students that
tails. Heads are worth 1 point each. Tails are worth 0
points each. Thus,
earns a score of 2 points.
4. Press :.
5. Student A: Press b. Record the value of the toss
under Trial 1, Student A on the Get Ahead With More
Heads Score Sheet.
6. Student B: Press b. Record the value of the toss
under Trial 1, Student B on the Score Sheet.
7. Let students keep taking turns until all 5 trials are
completed.
8. Discuss with students:
What is the greatest possible score? (25)
What is the least possible score? (0)
Raise your hand if you had the highest score in the
game you played with your partner.
What would the result have been if tails were worth 1
point and heads were worth 0 points?
9. Have students play 4 more games and record the
results.
© 1998 T I
EXAS NSTRUMENTS
Math menu and select
1 means heads, and
means
{0 1 0 1 0}
I
NCORPORATED
coin .
0 means
and
{T H T H T}
Probability
In this game, 1 means heads
and 0 means tails.