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 #2 : Composing Three Dimensional Shapes

What two shapes can you find in this shape?

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Possible Answers:

A rectangle and circle

A cylinder and a circle

A rectangle and a triangle

A cylinder and a triangle

Correct answer:

A cylinder and a circle

Explanation:

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Example Question #4 : Composing Three Dimensional Shapes

The sides of a rectangular prism are made up of __________. 

Possible Answers:

Rectangles

Triangles

Circles

Trapezoids 

Correct answer:

Rectangles

Explanation:

The sides of a rectangular prism are made up of rectangles. 

142 cube box geometry 3d modeling 512

Example Question #4 : Composing Three Dimensional Shapes

The base, or bottom, of a cylinder is made of up what shape? 

Possible Answers:

Triangle 

Rectangle

Circle 

Square

Correct answer:

Circle 

Explanation:

The base, or bottom, of a cylinder is made up of a circle. 

Cylinder

Example Question #51 : Reason With Shapes And Their Attributes

The sides of a cube are made up of ____________. 

Possible Answers:

Rectangles

Rectangles and squares

Triangles 

Squares

Correct answer:

Squares

Explanation:

A cube is a 3-dimensional shape with 6 sides. Each side of a cube is a square. Thus, the sides of a cube are made up of squares. 

142 cube box geometry 3d modeling 512

Example Question #3 : Composing Three Dimensional Shapes

Using the clues below identify the three-dimensional shape.

  • I have 6 flat surfaces.
  • Each flat surface is a square.
  • I have no curved surfaces.

What am I?

Possible Answers:

A sphere

A cone

A cube

A cylinder

Correct answer:

A cube

Explanation:

The three-dimensional figure being described in the riddle is a cube. A cube, like a cardboard box or a die from a board game, has six sides, each side is flat, each side is a square, and there are no curved sides. The other answer choices include curved sides and do not have six flat surfaces.

Example Question #4 : Composing Three Dimensional Shapes

Andy takes two cubes and stacks them on top of each other. What three-dimensional shape did he create?

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Possible Answers:

Cylinder

Pyramid

Cube

Rectangular Prism

Correct answer:

Rectangular Prism

Explanation:

Andy created a rectangular prism by stacking two cubes on top of each other. A rectangular prism has six flat surfaces, six sides, and four identical faces that are larger than a pair of smaller faces. Each flat surface on a rectangular prism is a square or rectangular shape.

Example Question #3 : Composing Three Dimensional Shapes

Using the clues below identify the three-dimensional shape.

  • I have five flat surfaces.
  • Four of my surfaces are triangles.
  • I have no curved surfaces.

What am I?

Possible Answers:

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Correct answer:

Screen shot 2020 09 01 at 10.04.38 am

Explanation:

The three-dimensional figure that is being described in the riddle is a pyramid. A pyramid has four surfaces that are triangles, no curves surfaces, and a total of five flat surfaces. The base of the pyramid in the example is a square. The other figures have curved surfaces and do not match the clues.

Example Question #52 : Reason With Shapes And Their Attributes

Using the clues below identify the three-dimensional shape.

  • I have zero flat surfaces.
  • I have zero faces.
  • I have no edges.

What am I?

Possible Answers:

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Screen shot 2020 09 01 at 10.04.30 am

Screen shot 2020 09 01 at 10.04.55 am

Screen shot 2020 09 01 at 10.04.38 am

Correct answer:

Screen shot 2020 09 01 at 10.04.55 am

Explanation:

The shape that is being described in the riddle is a sphere. A sphere has zero faces, flat surfaces, or edges. It can be described as the shape of a ball or round.

Example Question #1 : Composing Two Dimensional Shapes

What two shapes can you find in this shape?

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Possible Answers:

A trapezoid and a triangle

A trapezoid and a square

 A rectangle and a triangle

 A square and a triangle

Correct answer:

A trapezoid and a triangle

Explanation:

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Example Question #2 : Composing Two Dimensional Shapes

What two shapes can you find in this shape?

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Possible Answers:

A triangle and a trapezoid

A square and a square

A square and a trapezoid

 A square and a triangle

Correct answer:

A square and a square

Explanation:

Screen shot 2015 07 24 at 11.05.55 am

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