Create Line Plots From Measurements - 2nd Grade Math
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Identify the correct action when you repeat-measure the same object several times for data.
Identify the correct action when you repeat-measure the same object several times for data.
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Record each measurement as a separate data point. Each measurement counts separately to show data variability.
Record each measurement as a separate data point. Each measurement counts separately to show data variability.
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What is the largest measurement if the line plot has $X$ marks only above $1,2,3,$ and $4$?
What is the largest measurement if the line plot has $X$ marks only above $1,2,3,$ and $4$?
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$4$ units. The rightmost value with marks shows the maximum measurement.
$4$ units. The rightmost value with marks shows the maximum measurement.
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Choose the correct count: There are $2$ $X$ marks at $8$ and $3$ at $9$. How many are at least $8$?
Choose the correct count: There are $2$ $X$ marks at $8$ and $3$ at $9$. How many are at least $8$?
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$5$ measurements. Count all marks at $8$ or higher: $2 + 3 = 5$ measurements.
$5$ measurements. Count all marks at $8$ or higher: $2 + 3 = 5$ measurements.
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Find and correct the mistake: A student labels the scale $1,3,5,7$ for whole-unit lengths. What is the correct scale step?
Find and correct the mistake: A student labels the scale $1,3,5,7$ for whole-unit lengths. What is the correct scale step?
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Use steps of $1$ unit (for example, $1,2,3,4$). Whole-unit scales must increment by $1$, not skip values.
Use steps of $1$ unit (for example, $1,2,3,4$). Whole-unit scales must increment by $1$, not skip values.
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Which whole-number length should be included on the line plot scale if measurements range from $2$ units to $6$ units?
Which whole-number length should be included on the line plot scale if measurements range from $2$ units to $6$ units?
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Include $2,3,4,5,6$. Scale must show all whole numbers in the data range.
Include $2,3,4,5,6$. Scale must show all whole numbers in the data range.
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What must the horizontal scale on a CCSS.2.MD.9 line plot be marked in?
What must the horizontal scale on a CCSS.2.MD.9 line plot be marked in?
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Whole-number units (like $1,2,3,4$). CCSS.2.MD.9 requires whole numbers only, not fractions.
Whole-number units (like $1,2,3,4$). CCSS.2.MD.9 requires whole numbers only, not fractions.
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What mark is used above a number on a line plot to represent one measurement at that value?
What mark is used above a number on a line plot to represent one measurement at that value?
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An $X$ (or a dot) for each measurement. Each mark represents one occurrence of that measurement.
An $X$ (or a dot) for each measurement. Each mark represents one occurrence of that measurement.
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What is a line plot used for when you measure several objects to the nearest $1$ unit?
What is a line plot used for when you measure several objects to the nearest $1$ unit?
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To show how many measurements fall at each whole-number length. Line plots visually display frequency of each measurement value.
To show how many measurements fall at each whole-number length. Line plots visually display frequency of each measurement value.
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What tool is commonly used to measure object length in inches or centimeters to the nearest $1$ unit?
What tool is commonly used to measure object length in inches or centimeters to the nearest $1$ unit?
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A ruler (or a measuring tape). Standard tools for linear measurement in classroom settings.
A ruler (or a measuring tape). Standard tools for linear measurement in classroom settings.
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What does it mean to measure a length to the nearest whole unit (such as $1$ inch or $1$ centimeter)?
What does it mean to measure a length to the nearest whole unit (such as $1$ inch or $1$ centimeter)?
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Round the length to the closest whole number of units. Rounding means choosing the nearest whole number value.
Round the length to the closest whole number of units. Rounding means choosing the nearest whole number value.
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What is the first step when creating a line plot from measured lengths?
What is the first step when creating a line plot from measured lengths?
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Draw and label a number line with whole-number units. The scale provides the framework for plotting data points.
Draw and label a number line with whole-number units. The scale provides the framework for plotting data points.
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Which statement correctly describes a line plot: bars, circles, or $X$ marks above a number line?
Which statement correctly describes a line plot: bars, circles, or $X$ marks above a number line?
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$X$ marks above a number line. Line plots use marks above numbers, not bars or circles.
$X$ marks above a number line. Line plots use marks above numbers, not bars or circles.
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What is the smallest measurement if the line plot has $X$ marks only above $3,4,5,$ and $6$?
What is the smallest measurement if the line plot has $X$ marks only above $3,4,5,$ and $6$?
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$3$ units. The leftmost value with marks shows the minimum measurement.
$3$ units. The leftmost value with marks shows the minimum measurement.
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Identify the correct value: If $4$ measurements are at $7$ units, how many $X$ marks go above $7$?
Identify the correct value: If $4$ measurements are at $7$ units, how many $X$ marks go above $7$?
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$4$ $X$ marks. One $X$ mark per measurement, so $4$ measurements need $4$ marks.
$4$ $X$ marks. One $X$ mark per measurement, so $4$ measurements need $4$ marks.
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Find the difference in counts: $6$ measurements are at $5$ units and $2$ measurements are at $4$ units.
Find the difference in counts: $6$ measurements are at $5$ units and $2$ measurements are at $4$ units.
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$4$ more measurements at $5$ units. Subtract to find difference: $6 - 2 = 4$ more at $5$ units.
$4$ more measurements at $5$ units. Subtract to find difference: $6 - 2 = 4$ more at $5$ units.
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