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Lesson 5: Repetitive Subtraction and Addition
Victor 900 Calculator Teacher’s Guide
19
TRANSPARENCY
Fast Fingers
Enter 500 + 5 = on your calculator. When the teacher
says “Go” add one to your calculator as many times
as you can until the teacher says “stop”.
The student with the largest number has the fastest
fingers.
Winning total: ________________________
Name of Student with the Fastest Fingers
_________________________________