Victor 900 User Manual
Page 18
Lesson 5: Repetitive Subtraction and Addition
Victor 900 Calculator Teacher’s Guide
18
TRANSPARENCY
Repetitive Subtraction and
Addition
15 - 3 - 3 - 3 = ?
6 + 2 + 2 + 2 = ?
Press these buttons:
The calculator shows:
.
ON/AC
.
0.
15 -
.
15.
3
.
=
.
12.
=
.
9.
=
.
6.
-----------------------------
------------------------------
.
ON/AC
.
0.
6 +
.
6.
2
.
=
.
8.
=
.
10.
=
.
12.