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 #10 : Geometry

The triangle below can be classified as what type of triangle? 

 

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Possible Answers:

Equilateral triangle 

Right triangle 

Isosceles triangle 

Correct answer:

Right triangle 

Explanation:

This is a right triangle because a right triangle has to have a right angle, an angle that measures . The angle on the far right is a  angle. 

This is not an equilateral triangle because an equilateral triangle has to have all sides equal in length, and no right angles. 

This is not an isosceles triangle because an isosceles triangle has two equal sides. 

 

Example Question #1081 : Common Core Math: Grade 4

A triangle that has three equal sides can be called ___________ .

Possible Answers:

a scalene triangle 

an isosceles triangle 

an equilateral triangle 

a right triangle 

Correct answer:

an equilateral triangle 

Explanation:

The only type of triangle that has three equal sides is an equilateral triangle. 

Example Question #1082 : Common Core Math: Grade 4

A right triangle has to have an angle that measures __________ degrees. 

Possible Answers:

Correct answer:

Explanation:

A right triangle has to have a right angle, which is equal to 

Example Question #1083 : Common Core Math: Grade 4

What is the name for the two-dimensional figure below?

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Possible Answers:

Parallelogram

Pentagon

Heptagon

Hexagon

Correct answer:

Pentagon

Explanation:

The two-dimensional figure shown in the image is a pentagon. A pentagon is classified by having five sides, five angles, and five vertices. A pentagon has interior angles that add to 540 degrees. Regular pentagons have sides of equal length and interior angles of 108 degrees.

Example Question #1084 : Common Core Math: Grade 4

What is the name for the two-dimensional figure below?

Screen shot 2020 09 09 at 3.55.16 pm

Possible Answers:

Square

Pentagon

Hexagon

Quadrilateral

Correct answer:

Quadrilateral

Explanation:

The two-dimensional figure in the question is a quadrilateral. A quadrilateral is a four-sided shape, has four angles and four vertices. More specifically, this type of quadrilateral can be called a trapezoid or parallelogram.

Example Question #1085 : Common Core Math: Grade 4

What is the name for the two-dimensional figure below?

Screen shot 2020 09 09 at 4.16.03 pm

Possible Answers:

Pentagon

Octagon

Hexagon

Heptagon

Correct answer:

Heptagon

Explanation:

The two-dimensional shape in the image is a heptagon. A heptagon has seven sides, seven angles, and seven vertices. The sum of the interior angles is 900°.

Example Question #773 : Geometry

Do the black lines in the figure represent lines of symmetry? 

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Possible Answers:

Yes

No

Correct answer:

Yes

Explanation:

When you are trying to decide if a line represents a line of symmetry you can think about folding the figure across that line. Once you make the fold, do all of the parts line up on top?

If yes, then the line represents a line of symmetry. 

If no, then the line does not represent a line of symmetry. 

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These lines represent lines of symmetry because if you fold on the black lines, then one side would lay on top of the other and the parts would match up. 

Example Question #21 : How To Find Symmetry

Does the black line in the figure represent a line of symmetry? 


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Possible Answers:

Yes

No

Correct answer:

Yes

Explanation:

When you are trying to decide if a line represents a line of symmetry you can think about folding the figure across that line. Once you make the fold, do all of the parts line up on top?

If yes, then the line represents a line of symmetry. 

If no, then the line does not represent a line of symmetry. 

9

This line represents a line of symmetry because if you fold on the black line, then one side would lay on top of the other and the parts would match up. 

Example Question #21 : How To Find Symmetry

Do the black lines in the figure represent lines of symmetry? 

8

Possible Answers:

No

Yes

Correct answer:

Yes

Explanation:

When you are trying to decide if a line represents a line of symmetry you can think about folding the figure across that line. Once you make the fold, do all of the parts line up on top?

If yes, then the line represents a line of symmetry. 

If no, then the line does not represent a line of symmetry. 

8

These lines represent lines of symmetry because if you fold on the black lines, then one side would lay on top of the other and the parts would match up. 

Example Question #22 : How To Find Symmetry

Do the black lines in the figure represent lines of symmetry? 

7

Possible Answers:

No

Yes

Correct answer:

No

Explanation:

When you are trying to decide if a line represents a line of symmetry you can think about folding the figure across that line. Once you make the fold, do all of the parts line up on top?

If yes, then the line represents a line of symmetry. 

If no, then the line does not represent a line of symmetry. 

 7

These lines do not represent lines of symmetry because if you fold on the black lines,  one side will not lay on top of the other with parts that match up. 

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