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

varsity tutors app store varsity tutors android store

Example Questions

Example Question #31 :Geometry

What portion of the circle is striped?

Screen shot 2015 07 21 at 4.16.34 pm

Possible Answers:

A fifth of the circle is striped

A fourth of the circle is striped

A third of the circle is striped

Half 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:

Fifths

Thirds

Half

Fourths

Correct answer:

Fourths

Explanation:

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

Example Question #33 :Reason With Shapes And Their Attributes

What portion of the rectangle is green?

1

Possible Answers:

A half

A Quarter

A fourth

A third

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 #34 :Geometry

Fill in the blank.

__________ the rectangle is green.

1

Possible Answers:

Half of

Third of

Quarter of

Fourth 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 #32 :Geometry

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.

2

Example Question #33 :Geometry

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 havepieces.

3

Example Question #41 :Reason With Shapes And Their Attributes

What portion of the rectangle is green?


4

Possible Answers:

A fourth

A fifth

A third

A half

Correct answer:

A fourth

Explanation:

The rectangle is split into four pieces and one of those pieces is colored green. This means that a fourth of the rectangle is green.

Example Question #41 :Geometry

Fill in the blank.

A __________ the rectangle is green.


4

Possible Answers:

third of

一半of

fifth of

fourth of

Correct answer:

fourth 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 #41 :Reason With Shapes And Their Attributes

A fourth means the same thing as a __________.

Possible Answers:

quarter

一半

third

fifth

Correct answer:

quarter

Explanation:

第四,都意味着四分之一same thing. They both mean that something is split into four equal parts.

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

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

Possible Answers:

The four pieces will be bigger than the circle.

The four pieces will be the same size as the circle

The four pieces will be different sizes.

The four pieces will be smaller than the circle.

Correct answer:

The four pieces will be smaller than the circle.

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 circle.

Learning Tools by Varsity Tutors