Homework Helper Lesson 1 Round Fractions Check

Name
Number and Operations – Fractions
Preparation for 5.NF.2
Lesson 1
Round Fractions
eHelp
Homework Helper
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1
10
Round 11 to 0, 2 , or 1.
Compare the numerator and denominator. The numerator, 10, is close to 11.
So, 10 rounds to 1.
11
10
11
Check Graph 10 on a number line.
11
0
1
1
2
1
5
6
1
is halfway between
and
since half of 11 is 5 .
11
11
2
2
Practice
Copyright © The McGraw-Hill Companies, Inc.
Round each fraction to 0,
1
, or 1. Use a number line if needed.
2
1.
5
≈
9
2.
1
≈
14
3.
12
≈
13
4.
2
≈
13
5.
9
≈
11
6.
9
≈
17
Lesson 1 My Homework617
Problem Solving
5
7. Kevin ate
of a pizza. Which is a better estimate
12
for the amount of pizza that he ate: about half of
the pizza or almost all of the pizza?
1
8.
Make Sense of Problems Darius
1
has mowed of his backyard. Which is a better
5
estimate for how much of the lawn he has left to mow:
almost all of the lawn or about half of the lawn?
9. A bike path is 6
is closest to 6
3
miles long. What whole number
4
3
?
4
10. Savannah is making a quilt with squares having side
15
foot each. Are the side lengths
16
1
of the squares closer to foot or 1 foot long?
2
Test Practice
11. Samantha shaded
3
of her design.
7
tern
t
a
p
A
ess!
c
c
u
s
for
Which number is the best estimate for the shaded
part of her design?
A
0
C
1
2
B
1
7
D
1
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lengths that are