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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Example Questions

Example Question #22 : How To Find The Perimeter Of A Figure

What is the perimeter of the polygon below? 

L

 

Possible Answers:

\(\displaystyle 28in\)

\(\displaystyle 29in\)

\(\displaystyle 26in\)

\(\displaystyle 25in\)

\(\displaystyle 27in\)

Correct answer:

\(\displaystyle 28in\)

Explanation:

To find the area of a perimeter, we add all of the side lengths together. 

\(\displaystyle 9+3+4+2+5+5=28\)

Example Question #23 : How To Find The Perimeter Of A Figure

What is the perimeter of the polygon below? 

K

 

Possible Answers:

\(\displaystyle 34in\)

\(\displaystyle 38in\)

\(\displaystyle 36in\)

\(\displaystyle 35in\)

\(\displaystyle 37in\)

Correct answer:

\(\displaystyle 34in\)

Explanation:

To find the area of a perimeter, we add all of the side lengths together. 

\(\displaystyle 11+6+3+2+8+4=34\)

Example Question #71 : Find Perimeter Or Missing Side Lengths Of Polygons: Ccss.Math.Content.3.Md.D.8

What is the perimeter of the polygon below? 

A

 

Possible Answers:

\(\displaystyle 60in\)

\(\displaystyle 61in\)

\(\displaystyle 63in\)

\(\displaystyle 62in\)

\(\displaystyle 64in\)

Correct answer:

\(\displaystyle 64in\)

Explanation:

To find the area of a perimeter, we add all of the side lengths together. 

\(\displaystyle 8+5+12+7+20+12=64\)

Example Question #31 : Quadrilaterals

What is the perimeter of the polygon below? 

B

 

Possible Answers:

\(\displaystyle 37in\)

\(\displaystyle 38in\)

\(\displaystyle 36in\)

\(\displaystyle 35in\)

\(\displaystyle 39in\)

Correct answer:

\(\displaystyle 38in\)

Explanation:

To find the area of a perimeter, we add all of the side lengths together. 

\(\displaystyle 8+9+4+2+4+11=38\)

Example Question #71 : Geometry

What is the perimeter of the polygon below? 

C

 

Possible Answers:

\(\displaystyle 61in\)

\(\displaystyle 63in\)

\(\displaystyle 64in\)

\(\displaystyle 60in\)

\(\displaystyle 62in\)

Correct answer:

\(\displaystyle 62in\)

Explanation:

To find the area of a perimeter, we add all of the side lengths together. 

\(\displaystyle 18+5+14+8+4+13=62\)

Example Question #71 : Geometric Measurement: Recognizing Perimeter

What is the perimeter of the polygon below? 

D

 

Possible Answers:

\(\displaystyle 76in\)

\(\displaystyle 77in\)

\(\displaystyle 74in\)

\(\displaystyle 75in\)

\(\displaystyle 78in\)

Correct answer:

\(\displaystyle 74in\)

Explanation:

To find the area of a perimeter, we add all of the side lengths together. 

\(\displaystyle 20+15+5+2+15+17=74\)

Example Question #1011 : Isee Lower Level (Grades 5 6) Quantitative Reasoning

What is the perimeter of the polygon below? 

E

 

Possible Answers:

\(\displaystyle 51in\)

\(\displaystyle 47in\)

\(\displaystyle 50in\)

\(\displaystyle 48in\)

\(\displaystyle 49in\)

Correct answer:

\(\displaystyle 48in\)

Explanation:

To find the area of a perimeter, we add all of the side lengths together. 

\(\displaystyle 10+14+4+7+6+7=48\)

Example Question #72 : Geometric Measurement: Recognizing Perimeter

What is the perimeter of the polygon below? 

F

 

Possible Answers:

\(\displaystyle 24in\)

\(\displaystyle 25in\)

\(\displaystyle 27in\)

\(\displaystyle 26in\)

\(\displaystyle 28in\)

Correct answer:

\(\displaystyle 28in\)

Explanation:

To find the area of a perimeter, we add all of the side lengths together. 

\(\displaystyle 5+5+1+4+4+9=28\)

Example Question #73 : Geometric Measurement: Recognizing Perimeter

What is the perimeter of the polygon below? 

G

 

Possible Answers:

\(\displaystyle 30in\)

\(\displaystyle 32in\)

\(\displaystyle 34in\)

\(\displaystyle 31in\)

\(\displaystyle 33in\)

Correct answer:

\(\displaystyle 30in\)

Explanation:

To find the area of a perimeter, we add all of the side lengths together. 

\(\displaystyle 2+7+8+3+6+4=30\)

Example Question #74 : Geometric Measurement: Recognizing Perimeter

What is the perimeter of the polygon below? 

H

 

Possible Answers:

\(\displaystyle 26in\)

\(\displaystyle 27in\)

\(\displaystyle 28in\)

\(\displaystyle 30in\)

\(\displaystyle 29in\)

Correct answer:

\(\displaystyle 28in\)

Explanation:

To find the area of a perimeter, we add all of the side lengths together. 

\(\displaystyle 3+3+6+2+9+5=28\)

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