Express The Length Of An Object - 1st Grade Math
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What number tells the length when you measure with equal-sized units?
What number tells the length when you measure with equal-sized units?
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The count of same-size units that span the object. Length equals how many units fit from start to end.
The count of same-size units that span the object. Length equals how many units fit from start to end.
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Which option is a correct measurement setup: units with gaps, units with overlaps, or units touching?
Which option is a correct measurement setup: units with gaps, units with overlaps, or units touching?
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Units touching end to end with no gaps or overlaps. Correct setup has units touching without gaps or overlaps.
Units touching end to end with no gaps or overlaps. Correct setup has units touching without gaps or overlaps.
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Find the length: an object is spanned by $4$ equal blocks end to end with no gaps. What is its length?
Find the length: an object is spanned by $4$ equal blocks end to end with no gaps. What is its length?
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$4$ units. The number of blocks equals the length in block units.
$4$ units. The number of blocks equals the length in block units.
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What is the length in units if $7$ unit squares line up end to end to match a stick exactly?
What is the length in units if $7$ unit squares line up end to end to match a stick exactly?
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$7$ units. Count the squares that exactly match the stick.
$7$ units. Count the squares that exactly match the stick.
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What does it mean to measure length using length units placed end to end?
What does it mean to measure length using length units placed end to end?
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Place same-size units in a row to match the object’s length. Units must touch without spaces or overlapping to measure accurately.
Place same-size units in a row to match the object’s length. Units must touch without spaces or overlapping to measure accurately.
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Which option best describes a length unit in this skill: a shorter object copied many times, or any object?
Which option best describes a length unit in this skill: a shorter object copied many times, or any object?
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A shorter object used as the repeated unit. The unit must be shorter to fit multiple times.
A shorter object used as the repeated unit. The unit must be shorter to fit multiple times.
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Choose the correct statement: The length is the size of one unit, or the number of units used?
Choose the correct statement: The length is the size of one unit, or the number of units used?
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The length is the number of units used. We count units, not measure unit size.
The length is the number of units used. We count units, not measure unit size.
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What is the length in units if $9$ paper clips are placed end to end to match a ribbon exactly?
What is the length in units if $9$ paper clips are placed end to end to match a ribbon exactly?
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$9$ units. Count all paper clips used to match the ribbon.
$9$ units. Count all paper clips used to match the ribbon.
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Identify the mistake: Units have gaps between them. Is the length count too large, too small, or invalid?
Identify the mistake: Units have gaps between them. Is the length count too large, too small, or invalid?
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Invalid measurement. Gaps between units make counting inaccurate.
Invalid measurement. Gaps between units make counting inaccurate.
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Identify the correct comparison: If Object A uses $3$ same units and Object B uses $3$, which is longer?
Identify the correct comparison: If Object A uses $3$ same units and Object B uses $3$, which is longer?
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They are the same length. Equal unit counts mean equal lengths.
They are the same length. Equal unit counts mean equal lengths.
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What is the length in units if $6$ unit tiles exactly span a pencil with no gaps or overlaps?
What is the length in units if $6$ unit tiles exactly span a pencil with no gaps or overlaps?
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$6$ units. Count the tiles that span the pencil completely.
$6$ units. Count the tiles that span the pencil completely.
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Identify the correct action: Should units start at the same endpoint of the object or anywhere?
Identify the correct action: Should units start at the same endpoint of the object or anywhere?
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Start units at the same endpoint of the object. Units must align with the object's starting point.
Start units at the same endpoint of the object. Units must align with the object's starting point.
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What must be true about the units used when measuring one object?
What must be true about the units used when measuring one object?
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All units must be the same size. Different-sized units would give incorrect measurements.
All units must be the same size. Different-sized units would give incorrect measurements.
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What is the length in units if exactly $10$ identical unit sticks span a table edge with no gaps or overlaps?
What is the length in units if exactly $10$ identical unit sticks span a table edge with no gaps or overlaps?
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$10$ units. Count all sticks that span the edge exactly.
$10$ units. Count all sticks that span the edge exactly.
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Identify the correct comparison: If Object A uses $8$ same units and Object B uses $6$, which is longer?
Identify the correct comparison: If Object A uses $8$ same units and Object B uses $6$, which is longer?
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Object A is longer. More units means longer length when units are identical.
Object A is longer. More units means longer length when units are identical.
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