Texas Instruments TI-15 - Page 63

© 2000 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-15: A Guide for Teachers
56
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?
Constant
Operations
›
Add
T
Press Display
› T
1
›
(stores
operation)
Op1
Û1
4
(initialize u s i n g 4)
Op1
4
›
(add 1 one at a
time)
Op1
4Û1
15
›
Op1
5Û1
26
›
Op1
6Û1
37