Create and Interpret Bar Graphs - 2nd Grade Math
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What does a single-unit scale mean on a bar graph axis?
What does a single-unit scale mean on a bar graph axis?
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Each tick mark counts exactly $1$ unit. The scale increases by 1 at each mark for easy counting.
Each tick mark counts exactly $1$ unit. The scale increases by 1 at each mark for easy counting.
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Which graph type must include a key when pictures represent more than $1$ item?
Which graph type must include a key when pictures represent more than $1$ item?
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A picture graph (pictograph). Keys explain what each symbol represents in the graph.
A picture graph (pictograph). Keys explain what each symbol represents in the graph.
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What information does the key on a picture graph tell you?
What information does the key on a picture graph tell you?
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How many items each picture stands for. The key shows the value each symbol represents.
How many items each picture stands for. The key shows the value each symbol represents.
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What labels must a correct bar graph include to clearly show the data?
What labels must a correct bar graph include to clearly show the data?
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A title, category labels, and a numbered scale. These elements help readers understand what the graph shows.
A title, category labels, and a numbered scale. These elements help readers understand what the graph shows.
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Which operation finds the total when you put together two category counts?
Which operation finds the total when you put together two category counts?
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Addition. Add to combine amounts from different categories.
Addition. Add to combine amounts from different categories.
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Which operation finds how many more or fewer when comparing two categories?
Which operation finds how many more or fewer when comparing two categories?
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Subtraction. Subtract to find the difference between categories.
Subtraction. Subtract to find the difference between categories.
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Identify the value of a bar if it reaches the tick mark labeled $7$ on a single-unit scale.
Identify the value of a bar if it reaches the tick mark labeled $7$ on a single-unit scale.
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$7$. Read the value where the bar ends on the scale.
$7$. Read the value where the bar ends on the scale.
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Identify the total if one category has $6$ and another has $4$.
Identify the total if one category has $6$ and another has $4$.
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$10$. Add the two category values: $6 + 4 = 10$.
$10$. Add the two category values: $6 + 4 = 10$.
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Identify the difference if one category has $9$ and another has $5$.
Identify the difference if one category has $9$ and another has $5$.
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$4$. Subtract the smaller from the larger: $9 - 5 = 4$.
$4$. Subtract the smaller from the larger: $9 - 5 = 4$.
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Identify how many are left if a category has $8$ and you take away $3$.
Identify how many are left if a category has $8$ and you take away $3$.
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$5$. Subtract to find what remains: $8 - 3 = 5$.
$5$. Subtract to find what remains: $8 - 3 = 5$.
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Which category is greatest if the counts are $A=3$, $B=7$, $C=5$, $D=6$?
Which category is greatest if the counts are $A=3$, $B=7$, $C=5$, $D=6$?
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$B$. Compare all values; $7$ is the largest number.
$B$. Compare all values; $7$ is the largest number.
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Which category is least if the counts are $A=4$, $B=2$, $C=6$, $D=5$?
Which category is least if the counts are $A=4$, $B=2$, $C=6$, $D=5$?
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$B$. Compare all values; $2$ is the smallest number.
$B$. Compare all values; $2$ is the smallest number.
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Identify the combined total of all categories if the counts are $2$, $4$, $3$, and $1$.
Identify the combined total of all categories if the counts are $2$, $4$, $3$, and $1$.
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$10$. Add all category counts: $2 + 4 + 3 + 1 = 10$.
$10$. Add all category counts: $2 + 4 + 3 + 1 = 10$.
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Identify how many more if Cats $=8$ and Dogs $=6$ in a bar graph.
Identify how many more if Cats $=8$ and Dogs $=6$ in a bar graph.
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$2$ more. Subtract to compare: $8 - 6 = 2$ more cats.
$2$ more. Subtract to compare: $8 - 6 = 2$ more cats.
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Identify the missing count: Total $=12$, one category $=7$, other category $=?$.
Identify the missing count: Total $=12$, one category $=7$, other category $=?$.
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$5$. Subtract known from total: $12 - 7 = 5$.
$5$. Subtract known from total: $12 - 7 = 5$.
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