Texas Instruments TI-73 Manual Book page 37

7. Measure the area of the 2×2 square, compare it with your
count, and store the area in
8. Starting again in the lower-left corner, draw a 3×3 square,
and count the number of small squares in this square. The
count is 9 small squares.
9. Measure the area of the 3×3 square, and store the area in
.
L
1
10. Draw one more large square in the corner. Make it 4×4.
Count the small squares in this square.
11. Measure the area of the 4×4 square, and store the value in
.
L
1
Quit the Geoboard
12.
to examine the area values in list
Consider the sequence of numbers of the stored areas. Is there
a pattern to the sequence?
If there is a pattern, what would you expect the area of the entire
8×8 board to be? What about an n × n board?
TI-73 Geoboard
.
L
1
application, and then press the  key
L
1.
Page 37