11-1 Fractions and Division

Name
_
Reteaching
11-1
Fractions and Division
You can think of fractions as division: The numerator is the same
as the dividend and the denominator is the same as the divisor.
Write 3 + 8 as a fraction.
Write ~ as a division expression.
Think:
i of 5 wholes.
--+1
I1
1
o
§.
8
II
1
2
Think: 3 wholes divided into 8 equal
parts. Each part is equal to
l
II
3
III
--+11
I.•.
4
5
o
1+1
---"~+I +I-If---+--II ..•.
~
1
2
3
Shortcut: The numerator is 5, so the dividend
is 5. The denominator is 8, so the divisor is 8.
Shortcut: The dividend is 3, so the numerator
is 3. The divisor is 8, so the denominator is 8.
80i
80378
=
5
7
8.
=
l
Write a division expression for each fraction.
~~--~I--+I--+-~--~--I~
1. ~
i
0
2
2. ~
4.
6.
lo
13
7 '17
3
19
Write each division expression as a fraction.
8.378
11. 475
_____
9. 3
7
14·
_
10. 779
12. 9
7
10
_
13.13716
_
14. Explain how to write thirteen divided by thirty-three as a
division expression and as a fraction.
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