MATH

1

SOLVING WORD PROBLEMS IN DIVISION AND
MULTIPLICATION

• MATH
• Computation and Estimation
• 5.3 The student will create and solve problems
  involving addition, subtraction, multiplication,
  and division of whole numbers, using paper and
  pencil, estimation, mental computation, and
  calculators.
• 5.5 The student, given a dividend of four digits
  or fewer and a divisor of two digits or fewer,
  will find the quotient and remainder.
• LOC AAMVA

2

• Take a look at this picture. Tell me what you
  see.
• What do you think this is a picture of? Where?
• What do you see that makes you think that?

3
What do you see now?
4

• And now, look carefully,
• what do you see?
• Where do you think this photograph was
  taken?
• What is happening?
• Why?

5
And now, what do you see? What can you add to
your observation?
6
What do you see now? Whats your Hypothesis?
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And now? Whats your Hypothesis?
8

• How many more do you think there are?
• Why are there so many of them?
• How many should there be?

9

• Who are they?
• How are they dressed?
• What are they holding?
• What will they do with it?
• Where are they going?

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And now? What do you see? What do you
thinking is happening? What is your hypothesis
about this picture?
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What do we call a group of soldiers who head to
a battle and fight on foot?
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An Infantry . An Infantry is a group of
soldiers trained, armed, and equipped to fight on
foot.
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• How many soldiers are there in this infantry
  group? Lets count them.

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• Lets just say that
• 1 troop
  13 soldiers

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• Lets say for example
• Every troop of infantry has 13 soldiers.
• The question is
• If we count 679 soldiers, then how many infantry
  troops are there?
• Remember that the word EVERY 1

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The question is If we count 679 soldiers,
how many infantry troops are there?
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To solve this problem I need to ask
myself1- What does the problem want me to
find?

• The Number of troops.

2 What facts do I already know?
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• I know that
• Every infantry 13 soldiers
• And that there are 679 soldiers
• I want to find out how many infantry troops
  there are.

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• soldiers Troops
• 13 soldiers 1 troop
• 679 soldiers How many Troops?

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• I know that Every means 1
• Lets set up the problem
• The words important words in the question that I
  need to pay attention to aresoldiers and
  Troops
• I will write them down.
• Now, I will read the problem again
• Then align my numbers with the words they go
  with.
• soldiers Troops
• 13 soldiers 1 troop
• 679 soldiers ? Troops?
• Ill read that like this
• If 13 soldiers make 1 troop, 679 soldiers make
  how many troops?

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13 soldiers 1 troop 679 soldiers ? Troops?
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13 soldiers 1 troop 679 soldiers ?
Troops? _____________________________ 679 x 1
679 679 x 1 The line means division.
13 679 __.__ 13 59 .

23
Its your turn to practice.

• Youll be working with a partner. From the
  pictures on the back table, pick a picture, solve
  the problem on the back. After youve dont that
  , some of you may be able to write a division
  problem about it.
• 
  
• Here is some guiding questions.
• Think about your picture, look for the items
  that there are a lot of
• What do you usually do with these items? How do
  they come in real life? Pencils? For example,
  books, What do you do with them? Read them? How
  many in 1 week? How many in one day? whats
  the total?
• Think of a large number, that you might divide
  into groups.
• You may want to think about how they come in
  real life or how they are grouped.