What can linguistics offer to education research? Susan Gerofsky EDCP, UBC Susan Gerofsky EDCP, UBC.
Measurement (Length) -...
Transcript of Measurement (Length) -...
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Math
Shape and Space:
Measurement (Length) Science and Mathematics
Education Research Group
Supported by UBC Teaching and Learning Enhancement Fund 2012-2014
Department of
Curr iculum and Pedagogy
F A C U L T Y O F E D U C A T I O N
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Question Title Question Title Measurement: Length
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Question Title Question Title Measurement: Length
Shorter than the pencil
Longer than the crayon
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Question Title
A.
B.
Which train is longer? Explain your answer.
Question Title Measurement: Length I
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Comments
Answer: Train B is longer
Justification: The box cars are the same size. Train A has
3 box cars and Train B has 7 box cars.
7 box cars are longer than 3 box cars, so Train B is longer.
Comments Solution
1 2 3
1 2 3 4 5 6 7
A.
B.
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Question Title
A.
B.
Which train can carry more passengers? Explain your
answer.
Question Title Measurement: Length II
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Comments
Answer: Train B can carry more passengers.
Justification: Train A has 3 box cars and Train B has 7 box
cars. The box cars are the same size so Train B is longer
than Train A. Since Train B is longer, and has more cars, it
can carry more passengers than Train A.
Comments Solution
1 2 3
1 2 3 4 5 6 7
A.
B.
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Question Title
Which ladder is taller? Explain your answer.
Question Title Measurement: Length III
A. B.
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Comments
Answer: Ladder A is taller
Justification: Ladder A has 7 steps and Ladder B has 4
steps. The steps are the same size. 7 is greater than 4.
Therefore, Ladder A is taller than Ladder B.
Comments Solution
A. B.
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Question Title
Which ladder takes longer to climb? Explain your answer.
Question Title Measurement: Length IV
A. B.
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Comments
Answer: Ladder A takes longer to climb.
Justification: We know that Ladder A is taller than Ladder B.
Because there are more steps in Ladder A, it will take longer
for someone to climb it.
Comments Solution
A. B.
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Question Title
Which crayon is shorter? Explain your answer.
Question Title Measurement: Length V
A. Yellow Crayon
B. Blue Crayon
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Comments
Answer: The yellow crayon is shorter.
Justification: The yellow crayon is 4 squares long and
the blue crayon is 6 squares long. The squares are equal
in size and 4 is less than 6. Thus, the yellow crayon is
shorter.
Comments Solution
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Question Title
Which crayon will be used up faster? Explain your answer.
Question Title Measurement: Length VI
A. Yellow Crayon
B. Blue Crayon
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Comments
Answer: The yellow crayon will be used up faster.
Justification: Crayons are made of wax. Less wax means a
crayon will be used up faster. The yellow crayon is 4 squares
long and the blue crayon is 6 squares long. The squares are
equal in size and 4 is less
than 6. Therefore, the
yellow crayon is shorter,
and made up of less wax,
and will be used up faster.
Comments Solution
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Question Title
Which rectangle is closest in height to the blue rectangle?
Why?
Question Title Measurement: Length
VII
A.
B.
C.
height
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Comments
Answer: B – The green rectangle is about as tall as the blue
rectangle
Comments Solution
Justification: The blue rectangle
is 3 squares tall and the green
square is also 3 squares tall.
It is not A or C because the red
rectangle is 2 squares tall and the
yellow rectangle is 1 square tall.
Although the yellow rectangle has
the same width as the blue
rectangle (5), the question asks
about height and not length.
A.
B.
C.
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Question Title
Who is almost as tall as Nafisa? Explain your answer.
Question Title Measurement: Length VIII
Nafisa A. Jin B. Carla C. Ivan
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Comments
Answer: B - Carla
Comments Solution
Justification: We are interested in the person who is almost as
tall, but not as tall as Nafisa (5 squares). Jin (6 squares) is taller
than Nafisa, and Ivan is the same height (5 squares). Carla is
less than 5 squares, and so is almost as tall as Nafisa.
Nafisa A. Jin B. Carla C. Ivan
6
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
4
3
2
1
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Question Title
Which line is the longest? Explain your answer.
Question Title Measurement: Length IX
A. Red
B. Blue
C. Yellow
D. Green
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Comments
Answer: A – The red line is the longest
Justification: The red line is 11 squares long, while the
blue line is 6 squares, the yellow line is 8 squares, and
the green line is 4 squares long. 11 is greater than 6, 8,
or 4. Therefore,
the red line is
the longest.
Comments Solution
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Question Title
Which is longer? Explain your answer.
Question Title Measurement: Length X
A. T-Rex
B. School bus
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Comments
Answer: A – The T-Rex is longer.
Justification: The T-Rex is 13 squares long, while the
bus is 12 squares long. 13 is greater than 12, therefore,
the T-Rex is longer.
Comments Solution
On average, an actual T-Rex is
13 metres and a school bus is
10-12 metres long.
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Question Title
Put in order from shortest to tallest. Explain your answer.
Question Title Measurement: Length XI
A.
B.
C.
elephant worm dog
worm elephant dog
worm dog elephant
Hint: Think about
how big the animals
are in real life
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Comments
Answer: C. worm, dog, elephant
Comments Solution
Justification: On average, a
worm is approximately 1 cm tall
(or 10 cm long), a dog is
approximately 20-100 cm tall,
and an elephant is
approximately 2-4 m tall.
Therefore, from shortest to
tallest, the order is worm, dog,
and then elephant.
The pictures show some of the
height difference.
A.
B.
C.
elephant worm dog
worm elephant dog
worm dog elephant
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Question Title
How long is the dog bowl?
Question Title Measurement: Length XII
A. 1 bone B. 2 bones C. 3 bones
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Comments
Answer: B
Comments Solution
Justification: To accurately measure the dog bowl, we
want to line up bones without overlapping them or
leaving gaps. Therefore, the answer is B, because A
does not line up with the ends of the bowl, and C has
overlapping bones.
A. 1 bone B. 2 bones C. 3 bones
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Question Title
How long is the dog leash?
Question Title Measurement: Length XIII
A.
B.
C.
4 bones
5 bones
6 bones
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Comments
Answer: C
Comments Solution
Justification: The objective is to accurately measure the
dog leash with non-standard units. It is not A because
there are large gaps between the bones. It is not B
because the bones are not all the same size. Therefore,
the answer is C – 6 bones.
4 bones
5 bones
6 bones
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Question Title
How tall is the cupcake?
Question Title Measurement: Length XIV
A. 6 chocolate candies B. 5 chocolate candies
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Comments
Answer: B
Comments Solution
Justification: We are using chocolate chips to measure
the height of this cupcake. It is important to make sure
there are no gaps between chips, and that none of them
overlap.
Therefore, the answer is Cupcake B, 5 chocolate candies
tall. The chocolate candies used to measure Cupcake A all
overlap.
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Question Title
Which cupcake is taller? Explain your answer.
Question Title Measurement: Length XV
A. B.
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Comments
Answer: B
Comments Solution
Justification: The objective is to accurately measure and
compare with non-standard units. Although the height of
Cupcake A has more chocolate candies than Cupcake B,
there are gaps and overlaps between candies, so it is not
a good measurement.
If we compare using the pair of parallel lines,
the height of Cupcake
B reaches above the
line and is taller.
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Question Title
Which cupcake is taller? Explain your answer.
Question Title Measurement: Length XVI
A. B.
C. Cannot tell
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Comments
Answer: C
Justification: Although the height of Cupcake A has more
chocolate chips than Cupcake B, they cannot be compared
because the unit of measurement is not the same. The
chocolate chips used to measure Cupcake A are smaller than
the ones used for Cupcake B.
Because the unit of measure is different, we cannot tell which
cupcake is taller than the other.
Comments Solution
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Comments
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