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SOLVING
PROBLEMINVOLVING
LENGTH
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2007 2008
150cm ?cm
10cm
Devi
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In year2007,Devis height was150cm. This year,
Devis height is10cmmore than last year. What is
the height ofDevi now?
160cm
How did youget theanswer?
150cm + 10cm = 160cm
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160cm 155cm
Devi Ita
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Devis height is160cm. Itas height is155cm. What is
the difference between both heights?
5cm
How did youget theanswer?
160cm - 155cm = 5cm
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Iqlimah hasa112cm longred ribbon. Shahira hasa
86cm longred ribbon too. What is the total length of
ribbons they have?
What isgiven?
The length ofthered ribbons.
What isasked for?
The total length ofribbons.
What operation is needed?
Addition.
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Iqlimah hasa112cm longred ribbon. Shahira hasa
86cm longred ribbon too. What is the total length of
ribbons they have?
112cm + 86cm =
112cm
+ 86cm
198cm
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Thecurtain for the dooris15m long. Thecurtain for
the window is13m long? What is the total length of
the twocurtains?
What isgiven?
The length ofthe doorand window.
What isasked for?
The total length ofthe twocurtains.
What operation is needed?
Addition.
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Thecurtain for the dooris15m long. Thecurtain for
the window is13m long? What is the total length of
the twocurtains?
15m + 13m =
15m
+ 13m28m
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Aropeis118cm long.Anisuses94cmoftherope to
tiea box. What is the length oftherope left?
What isgiven?
Length oftherope:118cm
Length used : 94cm
What isasked for?
The length oftherope left.
What operation is needed?
Subtraction.
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Aropeis118cm long.Anisuses94cmoftherope to
tiea box. What is the length oftherope left?
118cm 94cm =
118cm
- 94cm
24cm
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What is the differencein height between PetronasTwin Towersand Menara KualaLumpur?
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What is the differencein height between Petronas Twin Towersand
Menara KualaLumpur?
What isgiven?
Petronas Twin Towers :452m
Menara KualaLumpur:412m
What isasked for?
The differencein height between the two towers.
What operation is needed?
Subtraction.
452m 412m
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What is the differencein height between Petronas Twin
Towersand Menara KualaLumpur?
452m 412m =
452m- 412m
40m
452m 412m
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GROUP
ACTIVITIES
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1. Building Ris48m tall. It is6m taller than building
S. Calculate the height,in m,ofbuilding S.
48m + 6m =
48m
+ 6m
54m
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2.Brian hasaropemeasuring800m.His brother
also hasaropemeasuring487m. What is the
differencein length between theirropes?
800m - 487m =
800m
- 487m313m
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3.Azizis95cm tall and Bakaris83cm tall. What is
their total height?
95cm + 83cm =
95cm
+ 83cm178cm
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1. RiverAis750m long. RiverBis182m longer than
riverA. What is the total length ofthe tworivers?
750m + 182m =
750m
+ 182m
932m
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2. In a long-jumpcompetition, Ruby jumped 4min
thefirst jump. She jumped 5min thesecond
jump. What is the differencein distance betweenthe two jumps?
5m - 4m =
5m
- 4m1m
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THANK YOU