Lesson 15: I can solve two-step
word problems involving
measurement and multi-digit
multiplication.
5th Grade Module 2 – Lesson 15
Time to Sprint!
2.D.30 & 2.D.31
5th Grade Module 2 – Lesson 15
Get Your White Board Ready!
Write as a three-step Division Sentence
480 ÷ 20
=____
480 ÷ 10 ÷ 2
48 ÷
2
=
24
24
480 ÷ 20 =____
5th Grade Module 2 – Lesson 15
Get Your White Board Ready!
Write as a three-step Division Sentence
690 ÷ 300 =____
690 ÷ 100 ÷ 3
6.9 ÷
3
=
2.3
2.3
690 ÷ 300 =____
5th Grade Module 2 – Lesson 15
Get Your White Board Ready!
Write as a three-step Division Sentence
8,480 ÷ 400 =____
8480 ÷ 100 ÷ 4
84.8 ÷
4
=
21.2
21.2
8,480 ÷ 400 =____
5th Grade Module 2 – Lesson 15
Get Your White Board Ready!
Write as a three-step Division Sentence
6,480 ÷ 20 =____
6480 ÷ 10 ÷ 2
648 ÷
2
=
324
324
6,480 ÷ 20 =____
5th Grade Module 2 – Lesson 15
Concept Development
For this lesson we will be completing some of the problems from the problem
set together. Take out the Problem Set on pages 2.D.32 – 2.D.34.
Let’s Solve Problem Number 1 together.
Liza’s cat had six kittens! When Liza and her brother weigh all
the kittens together, they weigh 4 pounds 2 ounces. Since all
the kittens are about the same size, how many ounces does
each kitten weigh?
4 lb 2 oz
?
66
4 lb 2 oz = ______
oz.
66 ÷ 6 = 11
1 unit = 11 oz.
Each kitten weighs 11 ounces.
5th Grade Module 2 – Lesson 15
Problem 2
Holly is buying orange juice for the class party. There are 24
1.75 ceach
x 24 =person will drink 1.75 cups.
people coming, and she figures
42of
cups
a. How many fluid ounces
juice will she need?
Convert
42 cups
to ____
fluidmany
ounces
Since
we
need
to
find
out
how
total
Let’s
a tape diagram
Readdraw
the problem
and with
BigPart
to Small
(multiply)
24 Let’s
units
but
use
dot,
dot,
dot
decide
with
your
partner
OUNCES
she
will
need,
need
to Holly
convert
Re-read
(a)
with
your
partner.
Is
this
a
one-step
or
multi-step
problem?
find
out and
how manywe
total
cups
needs.
Go aheadfirst
and try
to draw
42
x
8
=
to represent
total of
24. cups
what
you canadraw.
the
into
ounces.
What
isTurn
Part
asking?
label
your diagram.
&(a)
Talk
Calculate
the
total
cups
with
your partner.
How about
much using
would“…”
each
(think
) unit 336 fl oz.
We
can either convert first our after finding
equal?
the total amount of cups.
?
1.75 c
1
1.75 c
1.75 c
2
3
………
…………
5th Grade Module 2 – Lesson 15
1.75 c
24
Problem 2
Holly is buying orange juice for the class party. There are 24
people coming, and she figures each person will drink 1.75 cups.
b. If she buys five 59-ounce containers, will she have enough
juice?
Yes!
WhatWe
doneed
Let’s
we need
read
to find
to
Part
do
out(b)
first
how
together.
inmany
orderounces
to solve
this?
in
Will are
she
have own.
five 59-ounce containers.
Turn &Solve
Talk that on your
enough
5 x 59 ounces =
juice?
295 fl. ounces
5th Grade Module 2 – Lesson 15
Get Ready to Complete the
Problem Set on Your Own!
Complete Pages 2.D.32 – 2.D.34
You will have 20 minutes to work.
Try your Best!
5th Grade Module 2 – Lesson 15
• Look back at Problem 4(b). Would it have been possible to
answer Part (b) prior to answering Part (a)? Did you need to
convert to pounds first and then subtract or was there
another way to solve?
• Look back at Problem 6. Explain your thinking as you solved.
What steps did you take to find the solution?
• Explain to your partner why we multiply when converting
from large units to smaller ones. What would we do when
converting from smaller units to larger ones? Why?
5th Grade Module 2 – Lesson 15
EXIT
TICKET
Page 2.D.35
5th Grade Module 2 – Lesson 15