Enrichment
Name
12-5
Number Lines
1. In the dog-walk fundraiser for the humane society, Tanya
walked 2_34 miles, Bruce walked 2_12 miles, and Jack walked
2_78 miles. Show these distances on the number line. Who
walked the farthest?
B
TJ
. ..
&
'
(
Jack walked the farthest.
2. Carl made a salad for the school picnic. He used 3_78 pounds
of cucumbers, 3_34 pounds of lettuce, and 3_58 pounds of
tomatoes. Show these amounts on the number line. Which
salad ingredient weighed the most?
T
L
C
. . .
(
)
The cucumbers weighed the most.
3. Jefferson was putting the following fractions on a number
8
. How should he order this set of fractions from
line: _12 , _13 , _56, __
12
least to greatest? Explain how Jefferson would find
his answer.
Sample answer: Find the common
denominator, 12. Convert the fractions:
5
6 _
10
1 = __
4 _
_1 = __
__
=
,
,
. From least to
2
12 3
12 6
12
greatest, the fractions should be ordered:
8
_1 , _1 , __
_5 .
,
and
3 2 12
6
1
4. Rachel labeled a number line by tenths. She wrote from __
10
9
and put a point at each tenth. Between which two
through __
10
points should she place _12?
4
6
__
__
and
10
10
E 12•5
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