Texas Instruments TI-34 II Explorer Plus User Manual page 58

Addition as "counting on"
There are 4 frogs in a pond. If 3
more frogs jump into the pond 1
at a time, how many frogs will be
in the pond?
Press
Store the operation:
™
%
T 1 <
Initialize using 4:
4
Add 1 one at a time:
m
m
m
© 1999 T I
EXAS NSTRUMENTS
Display
OP1 =
OP1 = +1
4
4 + 1
1
5 + 1
2
6 + 1
3
I
NCORPORATED
m%™
º
5
º
6
º
7
TI-34 Û: A Guide for Teachers
52