Texas Instruments TI-73 - Manual (Page 31)

26
Using the TI-73: A Guide for Teachers Patterns and Functions
© 1998 T EXAS I NSTRUMENTS I NCORPORATED
4. Have students set up the counter for the second
scenario.
- t # #, and then " until
{ b
Y ¡ Z " to
} b
# # to
Done b b
- t # #, and then " until
{ b
# # to
Done b
- ¢ (above the a key)
D Y E \ Y ¡
- ¢ D Z E \ Z
- t # #, and then " until
} b
# # to
Done b b
➪
{} indicates a list of
numbers.
➪
Ans(1) means the answer
in the first position of the
list and Ans(2) means the
answer in the second
position of the list.
Ans(1) +1 will count up by
ones to let you know which
term you are on, while
Ans(2)+2 is the familiar
pattern you use to find the
number of blocks each
tower will have.
Activity — Part C
1. Now the twins move to bigger things. Try this next
pattern with the counter.
1-story tower 2-story tower 3-story tower
2. Have students set up the counter.
- t # #, and then " until
{ b
Y ¡ R " to
} b
# # to
Done b b
- t # #, and then " until
{ b
# # to
Done b
- ¢
(above the a key)
D Y E \ Y ¡
- ¢
D Z E \ [
- t # #, and then " until
} b
# # to
Done b b