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 #41 : Geometry

What portion of the rectangle is green? 


4

Possible Answers:

A third

A fourth

A half

A fifth

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 #42 : Geometry

Fill in the blank. 

A __________ the rectangle is green. 


4

Possible Answers:

half of

third 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 #43 : Geometry

A fourth means the same thing as a __________. 

Possible Answers:

quarter

half

third

fifth

Correct answer:

quarter

Explanation:

A fourth and a quarter both mean the same thing. They both mean that something is split into four equal parts. 

Example Question #41 : Geometry

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

Possible Answers:

The four pieces will be different sizes.

The four pieces will be smaller than the circle.
    

 The four pieces will be bigger than the circle.

The four pieces will be the same size as 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. 

Example Question #42 : Geometry

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

Possible Answers:

Each piece will be different sizes.

Each piece will be bigger than the circle

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

Each piece will be the same size as the circle.

Correct answer:

Each pieces will be smaller than the circle, 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 circle.

Example Question #43 : Geometry

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

Possible Answers:

The circle that we cut in half.

They will both have pieces of the same size.

The circle that we cut into fourths.

They will both have pieces of bigger sizes than the original circle.

Correct answer:

The circle that we cut into fourths.

Explanation:

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

5

Example Question #47 : Geometry

What portion of the circle is green? 

6

Possible Answers:

A half

A fourth

A quater

A third

Correct answer:

A half

Explanation:


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

Example Question #41 : Geometry

What portion of the circle is green? 


7

Possible Answers:

A fifth

A half

A fourth

A third

Correct answer:

A fourth

Explanation:

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

Example Question #362 : Rectangles

What two shapes can you find in this shape?

Screen shot 2015 07 24 at 11.21.10 am

Possible Answers:

A cube and a trapezoid

A cube and a triangle

A cube and a square

A cube and a circle

Correct answer:

A cube and a square

Explanation:

Screen shot 2015 07 24 at 11.25.05 am

Example Question #361 : Rectangles

What two shapes can you find in this shape?

Screen shot 2015 07 24 at 11.28.38 am

Possible Answers:

A cube and a rectangle

A cube and a square

A cube and a triangle

A cube and a trapezoid

Correct answer:

A cube and a triangle

Explanation:

Screen shot 2015 07 24 at 11.30.56 am

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