Common Core: 4th Grade Math : Common Core Math: Grade 4

Study concepts, example questions & explanations for Common Core: 4th Grade Math

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Example Questions

Example Question #4 : Recognize Angles And Understand Angle Measurement: Ccss.Math.Content.4.Md.C.5

What is an angle that measures more than , but less than  called? 

Possible Answers:

An acute angle

An obtuse angle

A ray

Correct answer:

An obtuse angle

Explanation:

By definition, and obtuse angle is any angle that measure more than , but less than 

Example Question #5 : Recognize Angles And Understand Angle Measurement: Ccss.Math.Content.4.Md.C.5

What is a  degree angle called? 

Possible Answers:

A line segment

A ray

A right angle

Correct answer:

A right angle

Explanation:

By definition, a right angle measures 

Example Question #6 : Recognize Angles And Understand Angle Measurement: Ccss.Math.Content.4.Md.C.5

An angle that measures  is called ___________. 

Possible Answers:

a ray

a straight angle

an obtuse angle

Correct answer:

a straight angle

Explanation:

By definition, a straight angle measures 

Example Question #7 : Recognize Angles And Understand Angle Measurement: Ccss.Math.Content.4.Md.C.5

The image below can be described as a ___________.

Ray

Possible Answers:

line segment

angle

ray

Correct answer:

ray

Explanation:

By definition, a ray starts at a point and continues in a certain direction, with no endpoint. 

Example Question #8 : Recognize Angles And Understand Angle Measurement: Ccss.Math.Content.4.Md.C.5

The image below can be described as  ___________.

Angle

Possible Answers:

an angle

a ray

a line

Correct answer:

an angle

Explanation:

This image is an angle because it shows two rays meeting at an endpoint. 

Example Question #9 : Recognize Angles And Understand Angle Measurement: Ccss.Math.Content.4.Md.C.5

The image below can be described as ___________.

Acute angle

Possible Answers:

an obtuse angle

a straight angle

an acute angle

Correct answer:

an acute angle

Explanation:

The image shows an acute angle because it has a measure of , which is less than 

Example Question #10 : Recognize Angles And Understand Angle Measurement: Ccss.Math.Content.4.Md.C.5

The image below can be described as ___________.

Obtuse angle

Possible Answers:

an obtuse angle

a straight angle

an acute angle 

Correct answer:

an obtuse angle

Explanation:

The image shows an obtuse angle because it has a measure of , which is more than  but less than .

Example Question #1051 : Common Core Math: Grade 4

The image below can be described as ___________.

Straight angle

Possible Answers:

an obtuse angle

a straight angle

a acute angle

Correct answer:

a straight angle

Explanation:

This image is a straight angle because it measures .

Example Question #1052 : Common Core Math: Grade 4

The image below can be described as ___________.

Right angle

Possible Answers:

a right angle

an acute angle

an obtuse angle

Correct answer:

a right angle

Explanation:

The image shows a right angle because the angle's measure is 

Example Question #1 : Recognize Angle Measure As Additive: Ccss.Math.Content.4.Md.C.7

Solve for x. 

180 degrees

Possible Answers:

Correct answer:

Explanation:

The angle is a straight line. A straight line is . To find the missing angle we subtract. 

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