Real-World Problems: Two-Step Problems

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Transcript Real-World Problems: Two-Step Problems

Grade 5, Chapter 4, Lesson 5
Real-World Problems:
Multiplying with Mixed Numbers
Solve real-world problems involving multiplication of
whole numbers and mixed numbers.
What do you know about these
problems?
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3
5
 Rename
x3
3
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4
1 x3
3
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5
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as decimal
=?
What are steps to rename as
a decimal?
What do we do when we solve
word problems?
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Read the problem
What do I have to answer?
Re-read each sentence and draw the bar
models, label the units. Adjust the bars as
necessary. Place your question mark.
Check your diagram.
Write the equations to solve the problems,
solve the problem
Check your answer. (Plug value back into the
diagram. Check the arithmetic.)
There are 40 guests at a party.
3
Each guest eats 2 mini pizzas.
4
How many mini pizzas do the
guest eat altogether?
1
2
4
Juanita has 5 ribbons, each
feet long. What is the total
length of the ribbons? Express
your answer as a decimal.
Compare the methods
What is the difference between these two
methods?
 Which method do you think is easier?
Why?
 Do you think both methods will always
work for all problems? Why?
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