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## Understanding Word Problems

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### Elaine is making three bracelets for Jane, Ellen, and Susan. ... Each bracelet will look exactly the same. How many of each color bead will be in each bracelet? ... – PowerPoint PPT presentation

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Title: Understanding Word Problems

1
Understanding Word Problems
• Lauren Williams

2
Objectives
• To be able to identify the different parts of a
word problem. Then solve the problem.

3
Three Steps to Understand
• Identify the parts
• Retell the problem
• Unpack the problem.

4
Understanding Word Problems
• Identify the Parts

5
STOP
6
Identify Parts of the Problem
• What are you being asked to find? (the
unknown)?
• What facts are given (the known)?
• Is there any information that does not seem
important ?

7
What is the Unknown?
• Liz went to the circus. Plain balloons cost 12
cents each. Fancy balloons cost 16 cents each.
What would be the total cost for 5 plain and 5
fancy balloons?.

8
What is the Unknown?
• Liz went to the circus. Plain balloons cost 12
cents each. Fancy balloons cost 16 cents each.
What would be the total cost for 5 plain and 5
fancy balloons?

9
What is the Known?
• Liz went to the circus. Plain balloons cost 12
cents each. Fancy balloons cost 16 cents each.
What would be the total cost for 5 plain and 5
fancy balloons?

10
What is the Known?
• Liz went to the circus. Plain balloons cost 12
cents each. Fancy balloons cost 16 cents each.
What would be the total cost for 5 plain and 5
fancy balloons?

11
Anything really not important?
• Liz went to the circus. Plain balloons cost 12
cents each. Fancy balloons cost 16 cents each.
What would be the total cost for 5 plain and 5
fancy balloons?

12
Anything really not important?
• Liz went to the circus. Plain balloons cost 12
cents each. Fancy balloons cost 16 cents each.
What would be the total cost for 5 plain and 5
fancy balloons?

13
Problem 2
• Lets try the skills we just learned!

14
Identify Parts of the Problem
• What are you being asked to find? (the
unknown)?
• What facts are given (the known)?
• Is there any information that does not seem
important ?

15
What is the Unknown?
• Elaine is making three bracelets for Jane,
Ellen, and Susan. She has 27 red beads, 21 white
look exactly the same. How many of each color
bead will be in each bracelet?

16
What is the Unknown?
• Elaine is making three bracelets for Jane,
Ellen and Susan. She has 27 red beads, 21 white
look exactly the same. How many of each color
bead will be in each bracelet?

17
What is the Known?
• Elaine is making three bracelets for Jane,
Ellen and Susan. She has 27 red beads, 21 white
look exactly the same. How many of each color
bead will be in each bracelet?

18
What is the Known?
• Elaine is making three bracelets for Jane,
Ellen, and Susan. She has 27 red beads, 21 white
look exactly the same. How many of each color
bead will be in each bracelet?

19
Anything really not important?
• Elaine is making three bracelets for Jane, Ellen,
and 9 silver beads. Each bracelet will look
exactly the same. How many of each color bead
will be in each bracelet?

20
Anything really not important?
• Elaine is making three bracelets for Jane, Ellen,
and 9 silver beads. Each bracelet will look
exactly the same. How many of each color bead
will be in each bracelet?

21
• You get the answer and figure out the question!

22
Directions for the next few slides
• Look at the answer shown on the slide what is
highlighted?
• What Title should be placed on each slide?
• What is the Unknown?
• What is the Known?
• What information is not important?

23
• Caseys family went to the zoo. The giraffe
was the tallest animal they saw. It was 18 Ft.
tall. Casey is 4 ½ feet tall. How many times
taller is the giraffe than Casey?

24
What is the Known!
• Caseys family went to the zoo. The giraffe
was the tallest animal they saw. It was 18 Ft.
tall. Casey is 4 ½ feet tall. How many times
taller is the giraffe than Casey?

25
• Caseys family went to the zoo. The giraffe was
the tallest animal they saw. It was 18 Ft. tall.
Casey is 4 ½ feet tall. How many times taller is
the giraffe than Casey?

26
What is the Known!
• Caseys family went to the zoo. The giraffe was
the tallest animal they saw. It was 18 Ft. tall.
Casey is 4 ½ feet tall. How many times taller is
the giraffe than Casey?

27
• Caseys family went to the zoo. The giraffe was
the tallest animal they saw. It was 18 Ft. tall.
Casey is 4 ½ feet tall. How many times taller is
the giraffe than Casey?

28
What is Unknown!
• Caseys family went to the zoo. The giraffe was
the tallest animal they saw. It was 18 Ft. tall.
Casey is 4 ½ feet tall. How many times taller is
the giraffe than Casey?

29
• Caseys family went to the zoo. The giraffe was
the tallest animal they saw. It was 18 Ft. tall.
Casey is 4 ½ feet tall. How many times taller is
the giraffe than Casey?

30
What is the Unimportant Information!
• Caseys family went to the zoo. The giraffe was
the tallest animal they saw. It was 18 Ft. tall.
Casey is 4 ½ feet tall. How many times taller is
the giraffe than Casey?

31
Next Step
• Now you are ready to solve the problem!

32
Acknowledgements
• http//www.cut-the-knot.org/arithmetic/WProblem.sh
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