© 2000 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-15: A Guide for Teachers
57
Multiplication as “repeated addition”
Maria put new tile in her kitchen.
She made 4 rows with 5 tiles in
each row. Use repeated addition to
find how many tiles she used.
Before you begin, set the calculator
to hide the constant operation.
Constant
Operations
›
Press Display
‡$"
(hide constant
operation)
+1 Ã
¼Á
êê
‡
á+
›
T
5
›
(store the
operation)
Op1
Û5
0
(initialize u s i n g 0)
Continued
Op1
0á
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