Texas Instruments TI-73VSC Teachers Guide - Page 17

Assessment Suggestions, Extensions

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12 Using the TI-73: A Guide for Teachers Assessment Suggestions The average length of the small intestine of an ostrich is 1372cm (45 ft.). Three ostriches have heights of 314cm (10 ft. 3 in.), 308cm (10 ft. 1 in.), and 299cm (9 ft. 8 in). Have students find the ratio of the ostriches' average height to average intestine length. Extensions Investigate the length of the intestine for different animals. Compare the ratio of the height to intestine length to the ratio you discovered above. Herbivores length of intestines = Carnivores length of intestines = 4 times body length or 12 times length of torso. body length or 6 times length of torso. How many average students would it take to make the length of a weasel's intestine? How many teachers would it take to make the length of the intestine? Number Sense © 1998 TEXAS INSTRUMENTS INCORPORATED

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12
Using the TI-73: A Guide for Teachers
Number Sense
© 1998 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
Assessment Suggestions
The average length of the small intestine of an ostrich is
1372cm (45 ft.). Three ostriches have heights of 314cm (10
ft. 3 in.), 308cm (10 ft. 1 in.), and 299cm (9 ft. 8 in). Have
students find the ratio of the ostriches’ average height to
average intestine length.
Extensions
Investigate the length of the intestine for different
animals. Compare the ratio of the height to intestine
length to the ratio you discovered above.
Herbivores length of intestines =
4 times body length or 12
times length of torso.
Carnivores length of intestines =
body length or 6 times
length of torso.
How many average students would it take to make the
length of a weasel’s intestine?
How many teachers would it take to make the length of
the intestine?