Common Core: 1st Grade Math : Reason with Shapes and their Attributes

Study concepts, example questions & explanations for Common Core: 1st Grade Math

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Example Questions

Example Question #31 : Reason With Shapes And Their Attributes

If I cut a rectangle into two parts, I am cutting it in ___________

Possible Answers:

Fourths

Quarters

Half

Thirds

Correct answer:

Half

Explanation:

When we cut something into two parts, which means the same thing as cutting it in half. 

Example Question #32 : Reason With Shapes And Their Attributes

What portion of the circle is striped? 

Screen shot 2015 07 21 at 4.08.02 pm

Possible Answers:

A fourth of the circle is stripedd

A third of the circle is striped

A fifth of the circle is striped

Half of the circle is striped
 

Correct answer:

Half of the circle is striped
 

Explanation:

The circle is divided into two equal sizes. One side is striped and one side is blue. So half of the circle is striped. 

Example Question #33 : Reason With Shapes And Their Attributes

A fourth means the same thing as a ____________

Possible Answers:

Quarter
    

Fourth

Fifth

 Third

Correct answer:

Quarter
    

Explanation:

A fourth and a quarter mean the same thing because both words mean  pieces. 

Example Question #34 : Reason With Shapes And Their Attributes

If we have two rectangles of the same size, and we cut one of them in half, and one of them in fourths, which pieces will be smaller?

Screen shot 2015 07 21 at 3.42.11 pm Screen shot 2015 07 21 at 3.50.38 pm

Possible Answers:

They will both have pieces of bigger sizes than the original rectangles

The rectangle that we cut into half

The rectangle that we cut into fourths
    

They will both have pieces of the same size

Correct answer:

The rectangle that we cut into fourths
    

Explanation:

Cutting an object into four pieces makes the pieces smaller because a fourth is smaller than a half. 

Example Question #11 : Use Rectangles And Circles To Show Halves And Fourths: Ccss.Math.Content.1.G.A.3

What portion of the circle is striped?  

Screen shot 2015 07 21 at 4.16.34 pm

Possible Answers:

A fourth of the circle is striped

Half of the circle is striped

A third of the circle is striped

A fifth of the circle is striped

Correct answer:

A fourth of the circle is striped

Explanation:

The circle is divided into four equal sizes. One piece is striped and the other tree pieces are blue. So a fourth of the circle is striped.

Example Question #12 : Use Rectangles And Circles To Show Halves And Fourths: Ccss.Math.Content.1.G.A.3

If I cut a rectangle into four parts, I am cutting it in __________

Possible Answers:

Thirds

Half

Fourths

Fifths

Correct answer:

Fourths

Explanation:

When we cut something into four parts, which means the same thing as cutting it in to fourths. 

Example Question #1361 : Common Core Math: Grade 1

What portion of the rectangle is green? 

1

Possible Answers:

A third

A Quarter 

A fourth

A half

Correct answer:

A half

Explanation:

The rectangle is split into two pieces and one of those pieces is colored green. This means that half of the rectangle is green. 

Example Question #38 : Reason With Shapes And Their Attributes

Fill in the blank. 

__________ the rectangle is green. 

1

Possible Answers:

Fourth of

Third of

Quarter of

Half of

Correct answer:

Half of

Explanation:

The rectangle is cut into two pieces and one of those pieces is green. This means the half of the rectangle is green. 

Example Question #12 : Use Rectangles And Circles To Show Halves And Fourths: Ccss.Math.Content.1.G.A.3

If I cut a rectangle is half, how many pieces will I have? 

Possible Answers:

Correct answer:

Explanation:

Cutting a rectangle in half means that we will have two pieces. 

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Example Question #13 : Use Rectangles And Circles To Show Halves And Fourths: Ccss.Math.Content.1.G.A.3

If I cut a rectangle into fourths, how many pieces will I have? 

Possible Answers:

Correct answer:

Explanation:

Cutting a rectangle into fourths means we will have  pieces. 

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