Common Core: 3rd Grade Math : Use Tiling to Show Area of Rectangles: CCSS.Math.Content.3.MD.C.7c

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

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Example Questions

Example Question #235 : 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 , what is the formula to find that area of the purple side? 

 

Screen shot 2015 11 04 at 3.48.44 pm

Possible Answers:

Correct answer:

Explanation:

Both the purple side and the white side have the same length, . The width of the purple side is . Thus the area formula for the purple side of the rectangle is .

Example Question #236 : 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 , what is the formula to find that area of the purple side? 

Screen shot 2015 11 04 at 3.51.11 pm

 

Possible Answers:

Correct answer:

Explanation:

Both the purple side and the white side have the same length, . The width of the purple side is . Thus the area formula for the purple side of the rectangle is .

Example Question #237 : Geometric Measurement: Understanding Concepts Of Area And Relating Area To Multiplication And To Addition

If the formula to find the area of the white section of the rectangle below is , what is the formula to find that area of the purple section? 

Screen shot 2015 11 04 at 3.54.29 pm

 

Possible Answers:

Correct answer:

Explanation:

Both the purple section and the white section have the same length, . The width of the purple section is . Thus the area formula for the purple section of the rectangle is .

Example Question #1291 : Concepts

If the formula to find the area of the white side of the rectangle below is , what is the formula to find that area of the purple side? 

Screen shot 2015 11 04 at 3.56.07 pm

 

Possible Answers:

Correct answer:

Explanation:

Both the purple side and the white side have the same length, . The width of the purple side is . Thus the area formula for the purple side of the rectangle is .

Example Question #1771 : Common Core Math: Grade 3

If the formula to find the area of the white side of the rectangle below is , what is the formula to find that area of the purple side? 

Screen shot 2015 11 04 at 4.41.07 pm

Possible Answers:

Correct answer:

Explanation:

Both the purple side and the white side have the same length, . The width of the purple side is . Thus the area formula for the purple side of the rectangle is .

Example Question #240 : 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 , what is the formula to find that area of the purple side? 

Screen shot 2015 11 04 at 4.45.34 pm

 

Possible Answers:

Correct answer:

Explanation:

Both the purple side and the white side have the same length, . The width of the purple side is . Thus the area formula for the purple side of the rectangle is .

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