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Common Core: 3rd Grade Math : Common Core Math: Grade 3

Study concepts, example questions & explanations for Common Core: 3rd Grade Math

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All Common Core: 3rd Grade Math Resources

7 Diagnostic Tests 226 Practice Tests Question of the Day Flashcards Learn by Concept

Example Questions

Example Question #381 : Measurement & Data

If the formula to find the area of the white side of the rectangle below is $2\times6$ $\displaystyle 2\times6$, what is the formula to find that area of the purple side?

Screen shot 2015 11 04 at 2.08.04 pm

Possible Answers:

$3\times6$ $\displaystyle 3\times6$

$3\times5$ $\displaystyle 3\times5$

$2\times6$ $\displaystyle 2\times6$

$1\times6$ $\displaystyle 1\times6$

$2\times5$ $\displaystyle 2\times5$

Correct answer:

$2\times6$ $\displaystyle 2\times6$

Explanation:

Both the purple side and the white side have the same width, $6\ units$ $\displaystyle 6\ units$. The length of the purple side is $2\ units$ $\displaystyle 2\ units$. Thus the area formula for the purple side of the rectangle is $2\times6$ $\displaystyle 2\times6$.

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Example Question #214 : Geometric Measurement: Understanding Concepts Of Area And Relating Area To Multiplication And To Addition

If the formula to find the area of the white side of the rectangle below is $3\times6$ $\displaystyle 3\times6$, what is the formula to find that area of the purple side?

Screen shot 2015 11 04 at 2.13.10 pm

Possible Answers:

$2\times6$ $\displaystyle 2\times6$

$1\times6$ $\displaystyle 1\times6$

$2\times5$ $\displaystyle 2\times5$

$1\times5$ $\displaystyle 1\times5$

$3\times6$ $\displaystyle 3\times6$

Correct answer:

$1\times6$ $\displaystyle 1\times6$

Explanation:

Both the purple side and the white side have the same width, $6\ units$ $\displaystyle 6\ units$. The length of the purple side is $1\ unit$ $\displaystyle 1\ unit$. Thus the area formula for the purple side of the rectangle is $1\times6$ $\displaystyle 1\times6$.

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Example Question #215 : Geometric Measurement: Understanding Concepts Of Area And Relating Area To Multiplication And To Addition

If the formula to find the area of the white side of the rectangle below is $1\times6$ $\displaystyle 1\times6$, what is the formula to find that area of the purple side?

Screen shot 2015 11 04 at 2.17.00 pm

Possible Answers:

$1\times6$ $\displaystyle 1\times6$

$3\times5$ $\displaystyle 3\times5$

$2\times6$ $\displaystyle 2\times6$

$3\times6$ $\displaystyle 3\times6$

$2\times5$ $\displaystyle 2\times5$

Correct answer:

$3\times6$ $\displaystyle 3\times6$

Explanation:

Both the purple side and the white side have the same width, $6\ units$ $\displaystyle 6\ units$. The length of the purple side is $3\ units$ $\displaystyle 3\ units$. Thus the area formula for the purple side of the rectangle is $3\times6$ $\displaystyle 3\times6$.

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Example Question #216 : Geometric Measurement: Understanding Concepts Of Area And Relating Area To Multiplication And To Addition

If the formula to find the area of the white side of the rectangle below is $1\times7$ $\displaystyle 1\times7$, what is the formula to find that area of the purple side?

Screen shot 2015 11 04 at 2.23.08 pm

Possible Answers:

$7\times2$ $\displaystyle 7\times2$

$3\times6$ $\displaystyle 3\times6$

$3\times7$ $\displaystyle 3\times7$

$6\times4$ $\displaystyle 6\times4$

$2\times7$ $\displaystyle 2\times7$

Correct answer:

$3\times7$ $\displaystyle 3\times7$

Explanation:

Both the purple side and the white side have the same width, $7\ units$ $\displaystyle 7\ units$. The length of the purple side is $3\ units$ $\displaystyle 3\ units$. Thus the area formula for the purple side of the rectangle is $3\times7$ $\displaystyle 3\times7$.

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Example Question #1271 : Concepts

If the formula to find the area of the white side of the rectangle below is $2\times7$ $\displaystyle 2\times7$, what is the formula to find that area of the purple side?

Screen shot 2015 11 04 at 2.24.39 pm

Possible Answers:

$3\times7$ $\displaystyle 3\times7$

$4\times7$ $\displaystyle 4\times7$

$2\times6$ $\displaystyle 2\times6$

$2\times7$ $\displaystyle 2\times7$

$7\times3$ $\displaystyle 7\times3$

Correct answer:

$2\times7$ $\displaystyle 2\times7$

Explanation:

Both the purple side and the white side have the same width, $7\ units$ $\displaystyle 7\ units$. The length of the purple side is $2\ units$ $\displaystyle 2\ units$. Thus the area formula for the purple side of the rectangle is $2\times7$ $\displaystyle 2\times7$.

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Example Question #221 : Geometric Measurement: Understanding Concepts Of Area And Relating Area To Multiplication And To Addition

If the formula to find the area of the white side of the rectangle below is $4\times8$ $\displaystyle 4\times8$, what is the formula to find that area of the purple side?

Screen shot 2015 11 04 at 2.31.39 pm

Possible Answers:

$3\times8$ $\displaystyle 3\times8$

$1\times8$ $\displaystyle 1\times8$

$8\times4$ $\displaystyle 8\times4$

$1\imes7$ $\displaystyle 1\imes7$

$7\times2$ $\displaystyle 7\times2$

Correct answer:

$1\times8$ $\displaystyle 1\times8$

Explanation:

Both the purple side and the white side have the same width, $8\ units$ $\displaystyle 8\ units$. The length of the purple side is $1\ units$ $\displaystyle 1\ units$. Thus the area formula for the purple side of the rectangle is $1\times8$ $\displaystyle 1\times8$.

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Example Question #1273 : Concepts

If the formula to find the area of the white side of the rectangle below is $3\times8$ $\displaystyle 3\times8$, what is the formula to find that area of the purple side?

Screen shot 2015 11 04 at 2.34.47 pm

Possible Answers:

$2\times7$ $\displaystyle 2\times7$

$3\times7$ $\displaystyle 3\times7$

$2\times8$ $\displaystyle 2\times8$

$4\times8$ $\displaystyle 4\times8$

$3\times8$ $\displaystyle 3\times8$

Correct answer:

$2\times8$ $\displaystyle 2\times8$

Explanation:

Both the purple side and the white side have the same width, $8\ units$ $\displaystyle 8\ units$. The length of the purple side is $2\ units$ $\displaystyle 2\ units$. Thus the area formula for the purple side of the rectangle is $2\times8$ $\displaystyle 2\times8$.

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Example Question #1274 : Concepts

If the formula to find the area of the white side of the rectangle below is $2\times8$ $\displaystyle 2\times8$, what is the formula to find that area of the purple side?

Screen shot 2015 11 04 at 2.37.23 pm

Possible Answers:

$8\times4$ $\displaystyle 8\times4$

$1\times2$ $\displaystyle 1\times2$

$5\times5$ $\displaystyle 5\times5$

$3\times8$ $\displaystyle 3\times8$

$2\times8$ $\displaystyle 2\times8$

Correct answer:

$3\times8$ $\displaystyle 3\times8$

Explanation:

Both the purple side and the white side have the same width, $8\ units$ $\displaystyle 8\ units$. The length of the purple side is $3\ units$ $\displaystyle 3\ units$. Thus the area formula for the purple side of the rectangle is $3\times8$ $\displaystyle 3\times8$.

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Example Question #21 : Use Tiling To Show Area Of Rectangles: Ccss.Math.Content.3.Md.C.7c

If the formula to find the area of the white side of the rectangle below is $1\times8$ $\displaystyle 1\times8$, what is the formula to find that area of the purple side?

Screen shot 2015 11 04 at 2.39.56 pm

Possible Answers:

$6\times7$ $\displaystyle 6\times7$

$4\times7$ $\displaystyle 4\times7$

$3\times7$ $\displaystyle 3\times7$

$3\times8$ $\displaystyle 3\times8$

$4\times8$ $\displaystyle 4\times8$

Correct answer:

$4\times8$ $\displaystyle 4\times8$

Explanation:

Both the purple side and the white side have the same width, $8\ units$ $\displaystyle 8\ units$. The length of the purple side is $4\ units$ $\displaystyle 4\ units$. Thus the area formula for the purple side of the rectangle is $4\times8$ $\displaystyle 4\times8$.

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Example Question #1751 : Common Core Math: Grade 3

If the formula to find the area of the white side of the rectangle below is $1\times5$ $\displaystyle 1\times5$, what is the formula to find that area of the purple side?

Screen shot 2015 11 04 at 2.45.04 pm

Possible Answers:

$4\times5$ $\displaystyle 4\times5$

$3\times5$ $\displaystyle 3\times5$

$3\times6$ $\displaystyle 3\times6$

$2\times6$ $\displaystyle 2\times6$

$5\times3$ $\displaystyle 5\times3$

Correct answer:

$4\times5$ $\displaystyle 4\times5$

Explanation:

Both the purple side and the white side have the same width, $5\ units$ $\displaystyle 5\ units$. The length of the purple side is $4\ units$ $\displaystyle 4\ units$. Thus the area formula for the purple side of the rectangle is $4\times5$ $\displaystyle 4\times5$.

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Common Core: 3rd Grade Math : Common Core Math: Grade 3

Study concepts, example questions & explanations for Common Core: 3rd Grade Math

All Common Core: 3rd Grade Math Resources

Example Questions

Example Question #381 : Measurement & Data

Example Question #214 : Geometric Measurement: Understanding Concepts Of Area And Relating Area To Multiplication And To Addition

Example Question #215 : Geometric Measurement: Understanding Concepts Of Area And Relating Area To Multiplication And To Addition

Example Question #216 : Geometric Measurement: Understanding Concepts Of Area And Relating Area To Multiplication And To Addition

Example Question #1271 : Concepts

Example Question #221 : Geometric Measurement: Understanding Concepts Of Area And Relating Area To Multiplication And To Addition

Example Question #1273 : Concepts

Example Question #1274 : Concepts

Example Question #21 : Use Tiling To Show Area Of Rectangles: Ccss.Math.Content.3.Md.C.7c

Example Question #1751 : Common Core Math: Grade 3

All Common Core: 3rd Grade Math Resources

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