Common Core: 1st Grade Math : Composing Two-Dimensional Shapes

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

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Example Questions

Example Question #365 : How To Find The Area Of A Rectangle

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:

Screen shot 2015 07 24 at 11.02.54 am

Example Question #372 : How To Find The Area Of A Rectangle

What two shapes can you find in this shape?

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Possible Answers:

 A square and a triangle

A square and a square

A square and a trapezoid

A triangle and a trapezoid

Correct answer:

A square and a square

Explanation:

Screen shot 2015 07 24 at 11.05.55 am

Example Question #373 : How To Find The Area Of A Rectangle

What two shapes can you find in this shape?

Screen shot 2015 07 24 at 11.07.12 am

Possible Answers:

A heptagon and a circle

A triangle and a circle

A rectangle and a circle

A square and a circle

Correct answer:

A triangle and a circle

Explanation:

Screen shot 2015 07 24 at 11.08.29 am

Example Question #374 : How To Find The Area Of A Rectangle

What two shapes can you find in this shape?


Screen shot 2015 07 24 at 11.10.22 am

Possible Answers:

A square and a rectangle

A square and a triangle

A square and a circle

A square and a trapezoid

Correct answer:

A square and a trapezoid

Explanation:

Screen shot 2015 07 24 at 11.11.22 am

Example Question #371 : How To Find The Area Of A Rectangle

What two shapes can you find in this shape?

Screen shot 2015 07 24 at 11.16.29 am

Possible Answers:

A square and a triangle

 A rectangle and a triangle

A rectangle and a square

 A rectangle and a trapezoid

Correct answer:

A rectangle and a square

Explanation:

Screen shot 2015 07 24 at 11.17.30 am

Example Question #366 : How To Find The Area Of A Rectangle

What two shapes do you see in this shape?

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Possible Answers:

A triangle and a pentagon

A triangle and a hexagon

A pentagon and a square

A pentagon and a rectangle

Correct answer:

A triangle and a pentagon

Explanation:

Screen shot 2015 07 24 at 11.36.22 am

Example Question #613 : Geometry

What two shapes can you find in this shape?

Screen shot 2015 07 24 at 11.12.33 am

Possible Answers:

A square and a square

A triangle and a triangle

A triangle and a square

A rectangle and a triangle

Correct answer:

A triangle and a triangle

Explanation:

Screen shot 2015 07 24 at 11.15.16 am

Example Question #363 : How To Find The Area Of A Rectangle

What two shapes can you find in this shape?

Screen shot 2015 07 24 at 10.51.32 am

Possible Answers:

An octagon and a square

A triangle and an octagon

A square and a triangle

 A triangle and a circle 

Correct answer:

A square and a triangle

Explanation:

Screen shot 2015 07 24 at 10.53.04 am

Example Question #364 : How To Find The Area Of A Rectangle

What two identical shapes can you find in this shape?

Screen shot 2015 07 24 at 10.57.36 am

Possible Answers:

A heptagon and a square

A trapezoid and triangle

A triangle and a triangle

A hexagon and a square

Correct answer:

A triangle and a triangle

Explanation:

Screen shot 2015 07 24 at 10.58.56 am

Example Question #1 : Composing Two Dimensional Shapes

When these two shapes are combined what two-dimensional figure will they create?

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Possible Answers:

Screen shot 2020 09 01 at 11.11.16 am

Screen shot 2020 09 01 at 11.11.32 am

None of the answers are correct.

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Correct answer:

None of the answers are correct.

Explanation:

The two shapes above, a triangle and a parallelogram, cannot be combined to make any of the shapes below. When the two figures are combined, it will create a new two-dimensional figure that looks similar to the example below.

Screen shot 2020 09 01 at 11.14.16 am

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