Title: CHAPTER 13 FRACTIONS
1CHAPTER 13FRACTIONS
2 How much of the pie is shaded?
 How much of the pie is not shaded?
3 What are the denominators?
 What are the numerators?
4 5 Which are equivalent to 1/3?
6 Fill in each box with the
 correct number for the shaded portion.
7 How much cake did the kids eat?
 How much cake is left?
8 Shade the correct parts to show the
equivalent fraction.
9 What is the denominator?
 What is the numerator?
 What is the percent?
10 What is the denominator?
 What is the numerator?
 What is the percent?
11 What is the denominator?
 What is the numerator?
 What is the percent?
12 What is the denominator?
 What is the numerator?
 What is the percent?

13 What is the denominator?
 What is the numerator?
 What is the percent?

14Write an equivalent fraction.
1/3 1/2 3/4 4/6 2/5
6/8 1/4 2/3 7/12 3/5
15Write an equivalent fraction.
4/8 5/9 3/5 2/5 3/8
7/21 9/27 8/16 1/18 6/11
16 ESTIMATING FRACTIONAL PARTS
 About what fraction of this square is
orange?  What
percent  is orange?

17 ESTIMATING FRACTIONAL PARTS
 About what fraction of this square is
blue?  What
percent  is blue?

18 Estimate the fractional part of each that
is green.
19 What fractional part is red?

20 What fractional part is yellow?

21 What fractional part is red
 and yellow?

22 What fractional part is green
 and violet ?

23 What fractional part is shaded?
 What percentage is shaded?
 Reduce it.

24 Asia has more people than any other
continent. About what fraction of people on
Earth live in Asia?
ASIA
S.A.
N.A.
A
EURO
AFRICA
25 Look at the bar graph below. Which student
has about 1/3 as many CDs as Bradon?  Chris Camron Bradon Lexie
26 If more than half of the garden is
planted with corn, it is possible to
estimate that 2/3 is planted with beans?
27 A bowling alley has 32 bowling
 balls. Eight are blue, 5 are pink,
 6 are red and the rest are black.
 How many are black?
28 Estimate the fractional part that is
decorated.
29 FACTORS as FRACTIONS
 10 1 x 10
 or
 10 10 x 1
30 FACTORS as FRACTIONS
 10 1 x 10 10 10 x 1
 or
 10 2 x 5 or 10 5 x 2
31 Write the product of each number in TWO
different ways.
36 42 12 64
12 20 28 8
25 45 30 99
32 Find all the factors of each number.
6 32 17 9 11
25 13 22 15 30
14 18 27 40 21
4 35 7 19 8
33 Destiny had 16 blouses.
 She gets 2 more blouses for her
 birthday. What are all of the
 different equal groupings she
 can make now?
34 As part of her science project,
 Darla is making a model of a
 wind farm. She wants to put
 turbines in her model. What
 are all the ways she can
 arrange 24 turbines?
35 Desie wants to put 15
 pictures on her science board.
 Describe every possible array
 she can make.

36 Any number that has 9 as a
 factor also has 3 as a factor.
 WHY?
 Can you think of some other
 numbers that share factors?
37 The largest volcano on Earth is
 Mauna Loa, located in Hawaii.
 It is 30,080 feet tall from the sea
 floor to its highest point.
 If 13,680 feet of the volcano is
 above sea level, how many feet
 are below sea level?
38 About 50 out of 1,500 possible
 active volcanoes on Earth erupt
 every year. What are the
 factors of 50?
39 On a large wind farm, there are
 rows of 15 wind turbines each
 and 4 rows of 11 wind turbines each.
 How many wind turbines are there
 on the wind farm in all?
40 A manatee is 12 feet long.
 If 1 foot equals 12 inches, how
 many inches long is the manatee?
41 MULTIPLES
 How can you find multiples
 of a number?
 It takes 8 minutes for a car on the
roller coaster to make the complete trip.  How many trips will it make in 1 hour?
42 Write 5 multiples of each number.
100 3 9 10 14
7 1 4 12 25
45 6 27 5 11
8 13 20 50 2
43 LOOK carefully. Is the first number a
multiple of the second?
44, 6 27, 3 30, 6 54, 9 28, 3
45, 5 64, 7 48, 8 33, 11 24, 8
35, 8 63, 7 88, 4 13, 13 62, 6
72, 9 46, 5 39, 3 28, 2 32, 2
44 Family Reunion
 Which activities are scheduled to last more
than 1 hour and 30 minutes? _______________  Lidias family arrived at the reunion at
830 a.m. How long do they have before the
trip to the lake? ______________
Take Lake Tour 1015 a.m. 230 p.m.
Slide Show 415 p.m. 510 p.m.
Dinner 530 p.m. 700 p.m.
Campfire and Singalong 755 pm. To 930 p.m.
45 Hollys family went apple picking.
 They picked 5 bags of red
 apples and I bag of green
 apples. Write a fraction to
 represent the part of the bags
 containing green apples.
46 Create a Venn diagram to show all
multiples of 3 and all multiples of 4.
47 Dividing to Find Equivalent Fractions
 James ate 6/8 of a small pizza. Which
fraction is equal to 6/8?
48 Find equivalent fractions for 4/10 _______
 Find equivalent fractions for 2/8 _______
 Find equivalent fractions for 4/5 ________
49 You can multiply the numerator and the
denominator by the same number to find an
equivalent fraction 
1
2
X 2
X 2
X 2
4
8
X 2
X 2
X 2
50 You can divide the numerator and
 the denominator by the same
 number to find an equivalent
 fraction.

200
Div 2
Div 10
400
Div 10
Div 2
51 Multiply or Divide to find the equivalent
fractions.
4 9 9 15 10 10 5 7
2 4 10 20 30 40 10 12
8 24 3 8 1 4 6 9
52 Julia ordered 12 pizzas for the
 class party. Each pizza was cut
 into 8 slices. Each of the 24
 students ate 4 slices.
 What fraction of the pizzas was
 left after the party?
 Can the fraction be
 reduced?
53 In the school poetry contest, 14
 of the 50 students that entered
 will receive a prize. Half of the
 remaining students receive a
 certificate. How many students
 will receive a certificate?
54 Two fifths of all states in the
 United States start with the
 letters M, A, or N. How can you
 use equivalent fractions to find
 out how many states start with
 these letters?

55 Look at the model. Name three equivalent
fractions for the part of the circle that
is turquoise.
56 One way to show 1/3 is to use
 12 cubes to show three groups
 of 4 cubes each or 4/12.
 Using 12 or fewer cubes, find 2
 other fractions that are
 equivalent to 1/3.
57 Keira has 12 cubes. She uses all
 12 cubes and separates them
 into 4 groups. Then she uses 8
 cubes and separates them into
 groups. What fraction is Keira
 trying to make?
58 At the car wash, Gary washed 8
 cars per hour and Sean washed
 7 cars per hour. How many cars
 did Gary wash if Sean washed
 24 cars?
59 Jacob had 12 books. He showed
 8/12 is equivalent to 2/3 by
 making three groups of 4 and
 drawing a circle around 2 of the
 groups. What is another fraction
 that is equivalent to 2/3?
60 Renee runs 3 miles each week.
 Linda runs 4 times as many
 miles each week. How many
 miles does Linda run each
 week?
61 Cathy had 24 quarters. She separated
 the quarters equally into 4 cups
 with 6 quarters in each cup.
 Show all ways that Cathy can
 separate the quarters into
 equal groups.
62 A store sells school supply packs
 that contain 12 pencils, and 4
 pens. Sonya bought enough
 packs to get 36 pencils. How
 many pens did she receive?
63 Harry bought 6 DVDs on sale for
 48. Tyler bought 4 DVDs for
 28. Who got the better deal?
64 Put each fraction into
 simplest form.
6/8 15/27 10/20 16/18 12/14
21/24 12/30 3/12 2/10 4/8
12/16 4/6 2/5 8/20 5/15
4/12 9/16 7/14 12/18 15/35
65 Vanessa ran 8/12 of the way
 around the field during P.E.
 class. Write this fraction in
 simplest form.

66 Shane and Morgan are starting
 a band. They have 5 other
 members that practice with
 them 2 hours each week.
 What fraction of the band are
 Shane and Morgan.
67 Each day pandas are awake for
 about 12 hours. They eat for
 of those 12 hours.
 What fraction of their awake time
 are pandas eating?
68 Write the factors for 8, 16, and
 20. What can you say about
 all multiples of 4?
69 Write all of the factors for 9.
 What can you say about all
 factors of 9?
70 Write all of the factors of 15.
 What can you say about
 these factors?
71 Look at each number sentences
 below. Compare the size of the
 factor to each product. What can
 you say about factors and
 products of whole numbers
 greater than 0?
8 x 7 56 5 x 46 230 1 x 873 873
72 A generalization is a general
 statement that you think is true.
 Look carefully to make
 generalizations.
 Generalize that all multiples of 5 end in either
a 0 or a 5 in the ones place.
5 x 1 5 5 x 2 10 5 x 3 15 5 x 4 20 5 x 5 25
73 Look at the pattern below.
 Draw the shape that would
 come next.
74 Write at least five multiples of 10.
 What generalization can you
 make about all multiples of 10?
75 Look at each group of three
 letters below. Make a
 generalization for each group of
 letters that does not apply to
 the other group of three letters.
E F T C O S
76 Emilys dog weighs 43 pounds
 more than Joans dog.
 Together the dogs weigh 81
 pounds. How much does each
 dog weigh?
77 William lives on the twenty
 second floor of a 25story
 building. If each floor is
 feet in height, how many
 feet above ground level is the
 floor of Williams apartment?