HL 3-1 - or5Desmarais

Solving More Fair Share
Number Stories
28
I split these two waffles
into thirds. How many thirds
will each person get?
What You Need
Math Masters, page 77
6-sided die
fraction circles
What To Do
Work with a partner or by yourself.
1 Roll the die. This is the number of items to share.
Use the chart below to figure out what item will be shared.
Roll
1
2
3
Item
Watermelon slice
Waffles
Omelettes
Roll
4
5
6
Item
Pancakes
Quesadillas
Orange slices
2 Roll the die again. This is the number of people sharing the item(s).
3 Figure out each person’s fair share. You can use your fraction circle
pieces or draw a picture to help. Record your solution on Math Masters,
page 77.
4 Repeat Steps 1–3 three times.
Talk About It
How did you model each problem? Is there another way you could model it?
More You Can Do
Repeat Steps 1–3, but double the number of people sharing the item.
5.NF.3, SMP4
Copyright © McGraw-Hill Education
Use with Lesson 3-1 Extra Practice, or after.
Solving More Fair Share
Number Stories
Lesson 3-1
NAME
DATE
Follow the directions on Activity Card 28 to make fair share number stories.
Record the information for each number story below. Find the fair share using
a model of your choice. Be sure to include units.
TIME
SRB
163-164
Example:
How many whole items are being shared?
4
Pancakes
6
How many people are sharing?
_4
What is each person’s fair share? 6 pancake
What item is being shared?
1
How many whole items are being shared?
What item is being shared?
How many people are sharing?
Copyright © McGraw-Hill Education. Permission is granted to reproduce for classroom use.
What is each person’s fair share?
2
How many whole items are being shared?
What item is being shared?
How many people are sharing?
What is each person’s fair share?
3
How many whole items are being shared?
What item is being shared?
How many people are sharing?
What is each person’s fair share?
4
How many whole items are being shared?
What item is being shared?
How many people are sharing?
What is each person’s fair share?
77
Patterns in Fair Share
Number Stories
Lesson 3-1
NAME
DATE
TIME
Solve Problems 1–3. Use fraction circle pieces or sketch a model to help you. Answer
the questions about each problem and look for patterns in your answers.
Dana has 1 sheet of paper. She would like to split it evenly with 2 friends so that
they can each sketch a picture. How much paper will each person get?
How many objects are being equally shared?
How many equal shares are being made?
2
object(s)
equal shares
Lucia has 4 oranges. She is sharing them equally with 4 friends. How much orange
will each person get?
How many objects are being equally shared?
How many equal shares are being made?
3
22-26,
163-164
object(s)
equal shares
Chaz has 2 dog treats. He is giving them out equally to the 3 dogs he is watching.
How many treats will each dog get?
How many objects are being equally shared?
How many equal shares are being made?
object(s)
equal shares
4
What patterns do you notice about the number of objects, the number of equal
shares, and the solution to each number story?
5
Bernie wanted to split 2 graham crackers equally with 3 friends. He thinks each friend
should get _21 graham cracker. Does this answer follow the pattern you noticed in
Problem 4? Why or why not?
78
Copyright © McGraw-Hill Education. Permission is granted to reproduce for classroom use.
1
SRB
Representing Fractions
with Circle Pieces
Lesson 3-1
NAME
DATE
TIME
Write a fraction for each circle piece. The red circle is the whole, or 1.
SRB
155
orange
pink
Fraction:
Fraction:
dark
green
yellow
Copyright © McGraw-Hill Education. Permission is granted to reproduce for classroom use.
Fraction:
Fraction:
dark
blue
light
blue
Fraction:
Fraction:
light
green
purple
Fraction:
Fraction:
79
Modeling and Solving
Fair Share Number
Stories
Home Link 3-1
NAME
DATE
Use a drawing to model each number story. Then solve.
TIME
SRB
163-164
1
You are sharing 2 loaves of bread with
5 friends. You want each person to get
a fair share. How much bread will each
person get?
Model:
Solution:
2
Betsy and 3 of her friends are
splitting a whole watermelon. There
are 6 circular slices of watermelon.
How many slices of watermelon will
each person get?
Model:
3
Darius and Matthew have 3 fruit bars.
They are both hungry after playing
football and decide to split the fruit
bars evenly. How much fruit bar will
each boy get?
Model:
Solution:
Practice
Make an estimate and solve. Show your work on the back of this page.
4
2,598
×
80
3
Estimate:
5
417
× 63
Estimate:
Copyright © McGraw-Hill Education. Permission is granted to reproduce for classroom use.
Solution:
Orange
OR
TA12
OR
OR
NAME
PK
DATE
PK
Copyright © McGraw-Hill Education. Permission is granted to reproduce for classroom use.
Fraction Circle Pieces 1
TIME
Red
R
Pink
Fraction Circle Pieces 2
NAME
DATE
TIME
Yellow
Y
Y
Y
Dark Green
Y
Copyright © McGraw-Hill Education. Permission is granted to reproduce for classroom use.
DG
DG
DG
Light Blue
DG
DG
LB
LB
LB
LB
LB
LB
TA13
Fraction Circle Pieces 3
NAME
DATE
TIME
Dark Blue
DB
DB
DB
DB
DB
DB
Purple
P
DB
P
P
P
P
P
Light Green
P
LG LG
LG
LG
LG
LG
LG
LG
LG
LG
LG LG
TA14
P
P
P
Copyright © McGraw-Hill Education. Permission is granted to reproduce for classroom use.
DB
Fraction Circle Pieces 1
Red
Pink
Orange
AS5
Fraction Circle Pieces 2
Yellow
Dark Green
Light Blue
AS6
Fraction Circle Pieces 3
Dark Blue
Purple
Light Green
AS7