Texas Instruments TI-15 Teachers Manual page 34

Ti ti-15: user guide
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In the Range
Collecting and Organizing Data
Have your partner secretly enter a measurement with three decimals places
into the calculator, and then fix the number to be rounded to the nearest whole
number. Now look at the display and answer the following questions:
1. What is the measurement to the nearest meter? _________________
a. What could be the range of the measurement if it had been
measured to the nearest tenth of a meter (decimeters)?
_______________________________________________________________________
b. Set Š to the nearest tenth (˜).
What is the measurement to the nearest tenth? _______________
Is that within the range you identified? ______________________
2. What is the measurement to the nearest tenth of a meter? ________
a. What could be the range of the measurement if it had been
measured to the nearest hundredth of a meter (centimeters)?
_______________________________________________________________________
b. Set Š to the nearest hundredth (™).
What is the measurement to the nearest hundredth? __________
Is that within the range you identified? ______________________
3. What is the measurement to the nearest hundredth of a meter? ___
a. What could be the range of the measurement if it had been
measured to the nearest thousandth of a meter (millimeters)?
_______________________________________________________________________
b. Set Š to the nearest thousandth (š).
What is the measurement to the nearest thousandth? _________
Is that within the range you identified? ______________________
© 2000 T
I
EXAS
NSTRUMENTS
I
NCORPORATED
Name ___________________________
Date
___________________________
TI-15: A Guide for Teachers
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