Measure Length With Appropriate Tools - 2nd Grade Math
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Find the length: an object starts at $2$ cm and ends at $9$ cm on a ruler. What is its length?
Find the length: an object starts at $2$ cm and ends at $9$ cm on a ruler. What is its length?
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$7$ cm. Length = end position - start position: $9 - 2 = 7$.
$7$ cm. Length = end position - start position: $9 - 2 = 7$.
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What should you do if an object starts at the $1$ inch mark instead of the $0$ inch mark?
What should you do if an object starts at the $1$ inch mark instead of the $0$ inch mark?
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Subtract $1$ inch from the ending mark. Find the difference between end and start positions.
Subtract $1$ inch from the ending mark. Find the difference between end and start positions.
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Which tool is most appropriate to measure the length of a classroom wall in feet or yards?
Which tool is most appropriate to measure the length of a classroom wall in feet or yards?
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A yardstick. Long, straight objects need a longer measuring tool.
A yardstick. Long, straight objects need a longer measuring tool.
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Which unit is most appropriate to measure the length of a room: centimeters or meters?
Which unit is most appropriate to measure the length of a room: centimeters or meters?
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Meters. Rooms are large spaces, measured in meters not centimeters.
Meters. Rooms are large spaces, measured in meters not centimeters.
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Which unit is most appropriate to measure the length of an eraser: centimeters or meters?
Which unit is most appropriate to measure the length of an eraser: centimeters or meters?
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Centimeters. Small objects like erasers need small units.
Centimeters. Small objects like erasers need small units.
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Which unit is most appropriate to measure the length of a football field: feet, yards, or inches?
Which unit is most appropriate to measure the length of a football field: feet, yards, or inches?
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Yards. Football fields are very long, best measured in yards.
Yards. Football fields are very long, best measured in yards.
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Which unit is most appropriate to measure the length of a classroom: inches, feet, or yards?
Which unit is most appropriate to measure the length of a classroom: inches, feet, or yards?
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Feet. Classrooms are medium-sized spaces, measured in feet.
Feet. Classrooms are medium-sized spaces, measured in feet.
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Which unit is most appropriate to measure the width of a book: inches, feet, or yards?
Which unit is most appropriate to measure the width of a book: inches, feet, or yards?
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Inches. Books are small, so use the smallest unit listed.
Inches. Books are small, so use the smallest unit listed.
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Identify the correct way to place an object to measure it with a ruler.
Identify the correct way to place an object to measure it with a ruler.
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Line one end up with the $0$ mark. Starting at $0$ ensures you measure the full length.
Line one end up with the $0$ mark. Starting at $0$ ensures you measure the full length.
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What does the $0$ mark on a ruler represent when you start measuring an object?
What does the $0$ mark on a ruler represent when you start measuring an object?
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The starting point of the measurement. All measurements begin from zero to ensure accuracy.
The starting point of the measurement. All measurements begin from zero to ensure accuracy.
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Which tool is most appropriate to measure the length of a pencil in centimeters?
Which tool is most appropriate to measure the length of a pencil in centimeters?
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A ruler. Small objects need a tool with small units like centimeters.
A ruler. Small objects need a tool with small units like centimeters.
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Which option is the best tool to measure the length around a tree trunk: ruler, meter stick, or measuring tape?
Which option is the best tool to measure the length around a tree trunk: ruler, meter stick, or measuring tape?
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A measuring tape. Only flexible tape can wrap around circular objects.
A measuring tape. Only flexible tape can wrap around circular objects.
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Which option is the best tool to measure the distance across a playground: ruler, meter stick, or yardstick?
Which option is the best tool to measure the distance across a playground: ruler, meter stick, or yardstick?
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A meter stick. Playgrounds are large areas, requiring meter-length tools.
A meter stick. Playgrounds are large areas, requiring meter-length tools.
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Which option is the best tool to measure the length of a desk: ruler, yardstick, or measuring tape?
Which option is the best tool to measure the length of a desk: ruler, yardstick, or measuring tape?
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A yardstick. Desks are medium-sized, best measured with a yardstick.
A yardstick. Desks are medium-sized, best measured with a yardstick.
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Identify the mistake: A student measures from the edge of the ruler, not the $0$ mark. What is wrong?
Identify the mistake: A student measures from the edge of the ruler, not the $0$ mark. What is wrong?
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The measurement does not start at $0$. Must align object with $0$ mark for accurate measurement.
The measurement does not start at $0$. Must align object with $0$ mark for accurate measurement.
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