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?
P r e s s
› T 1 ›
( s t o r e s
o p e r a t i o n )
4
( initialize u s i n g 4 )
›
( a d d 1 o n e a t a
t i m e )
›
›
© 2000 T
I
EXAS
NSTRUMENTS
D i s p l a y
Op1
Û 1
Op1
4
Op1
4 Û 1
1
Op1
5 Û 1
2
Op1
6 Û 1
3
I
NCORPORATED
5
6
7
TI-15: A Guide for Teachers
Constant
Operations
›
Add
T
56