Texas Instruments TI-30X Teachers Guide - Page 59
Mixed Number to Fraction, Fraction to Mixed Number
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Mixed Number to Fraction, Fraction to Mixed Number Sam is making his birthday cake. The recipe calls for 3 1/2 cups of flour. He has only a 1/2-cup measuring cup. To find out how many times Sam must use his measuring cup, change the mixed number to a fraction. 3 1/2 ¾ 1/2 = 7 %š Press Display 3 N 1 N 2 3®1®2 %š DEG 3®1®2' Ab/c , ' d/e DEG < 3®1®2' Ab/c , ' d/e' 7 / 2 DEG Show the mixed number again. %š < Ans' Ab/c , ' d/e ' 3− 1/2 DEG © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 55
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© 1999 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-30X
Ù
S: A Guide for Teachers
55
Mixed Number to Fraction,
Fraction to Mixed Number
%
š
Sam is making his birthday cake.
The recipe calls for 3
1
/
2
cups of
flour. He has only a
1
/
2
-cup
measuring cup. To find out how
many times Sam must use his
measuring cup, change the mixed
number to a fraction.
3
1
/
2
¾
1
/
2
= 7
Press
Display
3
N
1
N
2
3
®
1
®
2
DEG
%
š
3
®
1
®
2
'
A
b
/
c
,
'
d
/
e
DEG
<
3
®
1
®
2
'
A
b
/
c
,
'
d
/
e
’
7 / 2
DEG
Show the mixed number again.
%
š
<
Ans
'
A
b
/
c
,
'
d
/
e
’
3
-
1/2
DEG