Sharing Brownies
Sharing Brownies
Unit 7 - Investigation 1
Created by Heather Hall
Sharing Brownies
1.1 Making Fair Shares
1.2 Making Fraction Sets
1.3 More Than One Piece
1.4 Sharing Many Things
1.5 Sharing Several Brownies
1.6 Assessment: Sharing Four Brownies
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Session 1.1
Making
Fair Shares
1.1
Equal Shares
Commercial
Table of Contents
Pretend that these
rectangles are
brownies.
This is a brownie that
you want to share with
a friend. Think about
different ways you can
cut the brownie so each
of you can have equal
shares. You are going to
use straight "cuts," like
you are cutting with a
knife.
One Brownie to Share
What are some different ways you could
cut the brownies?
30 second YouTube Clip
What would you call the share of the
brownie that one person gets? What fraction
of the brownie does each person get?
Video Clip
Unit 7 Investigation 1
How can you cut the brownies?
1
Sharing Brownies
Now you are going to share this one brownie
among more than two people. Remember,
each person gets an equal piece.
Are these equal shares? How do you know?
Write the fraction name of each persons
share on the brownie pieces.
More than two people.
Unequal Thirds
What fraction
would each
person get if a
brownie was
split between
three people?
Session 1.2
Making
Fraction Sets
denominator
numerator
Fraction
1.2
Directions for Making a Fraction Set
1) You should have 5 sheets of the same color paper.
2) Cut each sheet of paper into equal pieces.
a. 1st sheet - 2 equal pieces
b. 2nd sheet - 4 equal pieces
c. 3rd sheet - 8 equal pieces
d. 4th sheet - 3 equal pieces
e. 5th sheet - 6 equal pieces
3) Fold the first sheet of paper into equal pieces and draw lines to
separate them.
4) Label each piece with the fraction names.
5) Check with another pair to make sure that you have equal pieces
and that your fraction name is correct.
6) Cut apart each equal piece.
7) Repeat steps 3-6 with each sheet until you have a complete
Fraction Set
Making Fraction Sets
Unit 7 Investigation 1
1
4
1
8
1
2
1
1
3
1
6
2
From Smallest to Largest
2
Sharing Brownies
Session 1.3
More Than
One Piece
1.3
More Than One Piece
Fraction Facts
Halves, Fourths, and Eighths
Halves, Thirds, and Sixths
1
Fraction Facts
1
Using A Number Line 2nds, 4ths, 8ths
2
Using A Number Line 3rds and 6ths
Unit 7 Investigation 1
2
Session 1.4
Sharing
Many Things
1.4
3
Sharing Brownies
Session 1.5
Sharing Several
Brownies
12 Marbles
1.5
Sharing Several Brownies
Sharing Several Brownies
Session 1.6
Assessment:
Sharing Four
Brownies
1.6
Unit 7 Investigation 1
Be sure you provide the following information:
· a picture
· a final answer
· an equation proving your answer
Assessment
4
Sharing Brownies
More Work With Fractions
Fraction Fun
SMART Exchange
Fractions and All Their Parts
DiscoveryEducation.com
Fractions
SMART Exchange
AAAMath.com Fractions
Gamequarium Fraction Games
More Exploration
Unit 7 Investigation 1
5