Compare Lengths of Two Objects - 2nd Grade Math
Card 1 of 15
Identify the correct equation if one stick is $17$ cm, another is $10$ cm, and the difference is $d$ cm.
Identify the correct equation if one stick is $17$ cm, another is $10$ cm, and the difference is $d$ cm.
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$d=17-10$. The equation represents longer minus shorter equals difference.
$d=17-10$. The equation represents longer minus shorter equals difference.
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What is the length difference between $8$ inches and $8$ centimeters?
What is the length difference between $8$ inches and $8$ centimeters?
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You cannot compare; the units are different. Different units must be converted before comparing.
You cannot compare; the units are different. Different units must be converted before comparing.
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Which comparison sentence is correct if Object A is $9$ cm and Object B is $13$ cm?
Which comparison sentence is correct if Object A is $9$ cm and Object B is $13$ cm?
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Object B is $4$ cm longer than Object A. Compare $13 - 9 = 4$ cm difference.
Object B is $4$ cm longer than Object A. Compare $13 - 9 = 4$ cm difference.
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What is the difference if one ribbon is $12$ cm and another ribbon is $12$ cm?
What is the difference if one ribbon is $12$ cm and another ribbon is $12$ cm?
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$0$ cm. Equal lengths have no difference.
$0$ cm. Equal lengths have no difference.
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What is the length of the shorter object if the longer is $16$ in and the difference is $7$ in?
What is the length of the shorter object if the longer is $16$ in and the difference is $7$ in?
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$9$ in. Subtract the difference from the longer length: $16 - 7 = 9$.
$9$ in. Subtract the difference from the longer length: $16 - 7 = 9$.
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What is the length of the longer object if the shorter is $9$ cm and the difference is $4$ cm?
What is the length of the longer object if the shorter is $9$ cm and the difference is $4$ cm?
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$13$ cm. Add the difference to the shorter length: $9 + 4 = 13$.
$13$ cm. Add the difference to the shorter length: $9 + 4 = 13$.
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Find and correct the mistake: “$10$ cm is $3$ cm longer than $15$ cm.”
Find and correct the mistake: “$10$ cm is $3$ cm longer than $15$ cm.”
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Correct: “$15$ cm is $5$ cm longer than $10$ cm.”. The longer object minus the shorter gives the positive difference.
Correct: “$15$ cm is $5$ cm longer than $10$ cm.”. The longer object minus the shorter gives the positive difference.
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Which unit should you use to express a difference between two lengths measured in centimeters?
Which unit should you use to express a difference between two lengths measured in centimeters?
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Centimeters (cm). Use the same unit as the original measurements.
Centimeters (cm). Use the same unit as the original measurements.
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Identify the missing number: $20$ cm is $\square$ cm longer than $13$ cm.
Identify the missing number: $20$ cm is $\square$ cm longer than $13$ cm.
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$7$. Subtract to find the difference: $20 - 13 = 7$.
$7$. Subtract to find the difference: $20 - 13 = 7$.
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Identify the missing number: $\square$ cm is $3$ cm longer than $8$ cm.
Identify the missing number: $\square$ cm is $3$ cm longer than $8$ cm.
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$11$. Add the difference to the shorter length: $8 + 3 = 11$.
$11$. Add the difference to the shorter length: $8 + 3 = 11$.
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Identify the missing number: $9$ in is $\square$ in longer than $4$ in.
Identify the missing number: $9$ in is $\square$ in longer than $4$ in.
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$5$. Calculate: $9 - 4 = 5$.
$5$. Calculate: $9 - 4 = 5$.
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Identify the missing number: The difference between $12$ cm and $5$ cm is $\square$ cm.
Identify the missing number: The difference between $12$ cm and $5$ cm is $\square$ cm.
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$7$. Find the difference: $12 - 5 = 7$.
$7$. Find the difference: $12 - 5 = 7$.
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What is the length difference between $14$ m and $6$ m?
What is the length difference between $14$ m and $6$ m?
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$8$ m. Subtract: $14 - 6 = 8$.
$8$ m. Subtract: $14 - 6 = 8$.
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What is the length difference between $30$ cm and $18$ cm?
What is the length difference between $30$ cm and $18$ cm?
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$12$ cm. Subtract: $30 - 18 = 12$.
$12$ cm. Subtract: $30 - 18 = 12$.
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What is the length difference between $23$ cm and $19$ cm?
What is the length difference between $23$ cm and $19$ cm?
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$4$ cm. Subtract: $23 - 19 = 4$.
$4$ cm. Subtract: $23 - 19 = 4$.
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