Common Core: 1st Grade Math : Use Rectangles and Circles to Show Halves and Fourths: CCSS.MATH.CONTENT.1.G.A.3

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

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Example Questions

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

If I cut this rectangle in half, how many pieces will I have?

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Possible Answers:

Correct answer:

Explanation:

When we cut something in half, we get  equal pieces. 

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Example Question #2 : Use Rectangles And Circles To Show Halves And Fourths: Ccss.Math.Content.1.G.A.3

If I cut this circle in half, how many pieces will I have? 

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Possible Answers:

Correct answer:

Explanation:

When we cut something in half, we get two equal pieces. 

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

If I cut this rectangle into fourths, or quarters, how many pieces will I have?

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Possible Answers:

Correct answer:

Explanation:

When we cut something into fourths, or quarters, we get four equal pieces.

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Example Question #4 : Use Rectangles And Circles To Show Halves And Fourths: Ccss.Math.Content.1.G.A.3

If I cut this circle into fourths, or quarters, how many pieces will I have?

 

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Possible Answers:

Correct answer:

Explanation:

When we cut something into fourths, or quarters, we get four equal pieces.

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Example Question #5 : Use Rectangles And Circles To Show Halves And Fourths: Ccss.Math.Content.1.G.A.3

If I cut a rectangle into fourths, how am I changing the size?

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Possible Answers:

The four pieces will be different sizes

The four pieces will be smaller than the rectangle
    

 The four pieces will be bigger than the rectangle

The four pieces will be the same size as the rectangle

Correct answer:

The four pieces will be smaller than the rectangle
    

Explanation:

When we cut something in fourths, we get four smaller pieces that equal each other. If we put those pieces back together, we’d get the original size of the rectangle. 

Example Question #6 : Use Rectangles And Circles To Show Halves And Fourths: Ccss.Math.Content.1.G.A.3

If I cut a rectangle in half, how am I changing the size? 

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Possible Answers:

Each piece will be different sizes

Each piece will be bigger than the rectangle

Each piece will be the same size as the rectangle

Each pieces will be smaller than the rectangle, they will be half the size. 
    

Correct answer:

Each pieces will be smaller than the rectangle, they will be half the size. 
    

Explanation:

When we cut something in half, we get two smaller pieces that equal each other. If we put those pieces back together, we’d get the original size of the rectangle.

Example Question #7 : Use Rectangles And Circles To Show Halves And Fourths: Ccss.Math.Content.1.G.A.3

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

What portion of the circle is striped? 

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Possible Answers:

A third of the circle is striped

A fourth of the circle is stripedd

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

A fourth means the same thing as a ____________

Possible Answers:

 Third

Quarter
    

Fifth

Fourth

Correct answer:

Quarter
    

Explanation:

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

Example Question #10 : Use Rectangles And Circles To Show Halves And Fourths: Ccss.Math.Content.1.G.A.3

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?

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Possible Answers:

The rectangle that we cut into fourths
    

They will both have pieces of the same size

The rectangle that we cut into half

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

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. 

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