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Kelle Singleton, 2008

2-DGeometry

Perimeterand Area

Rounding ComputationFraction-Decimal

Relationships

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Circles

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Polygons are named by the number of these.

What are sides?

I am the name of all polygons with four

sides.

What is a quadrilateral?

I am a quadrilateral with one pair of parallel sides.

Sometimes I have right angles, but not always.

What is a trapezoid?

I am a parallelogram with four congruent sides. I do not have

right angles.

What is a rhombus?

I am a quadrilateral with four congruent sides and four right angles. I have many names, but this is my most common name.

What is a square?

I am the area of this rectangle.

117 mm 39 mm

What is 4,563 square mm (or mm2)?

I am the area of this square.

29 inches

What is 841 square inches (or in.2)?

I am the perimeter of this rectangle.

3.7 inches 2.1 inch

es

What is 11.6 in.?

I am the perimeter of this hexagon.

3.7 cm

3.7 cm

3.7 cm

3.7

cm

3.7

cm

3.7 cm

What is 22.2 cm?

I am the perimeter of this pentagon.

1 ½ in.

1 ½ in.1 ½ in.

¾ in.

1 7/8 in.

What is 7 1/8 in.?

I am the distance around the circle.

What is circumference?

I am a line segment from the center of the circle to any point on

the circle.

What is a radius?

I am a line segment connecting any two points on a circle.

What is a chord?

I am a special chord that passes through the center

of a circle.

What is a diameter?

I am two radii placed end-to-end.

What is a diameter?

I am 5.368 rounded to the nearest tenth.

What is 5.4?

I am 3.274 rounded to the nearest hundredth.

What is 3.27?

I am 7.649 rounded to the nearest tenth.

What is 7.6?

I am 2.745 rounded to the nearest whole

number.

What is 3?

I am 5.051 rounded to the nearest

tenth.

What is 5.1?

1.28 divided by 2 =

What is 0.64?

357 + 617 + 1,789 =

What is 2,763?

18,416 – 5,037 =

What is 13,379?

13.72 + 9.14 =

What is 22.86?

12.08 x 1.7 =

What is 20.536?

I am the decimal equivalent of 1/4.

What is 0.25?

I am the decimal equivalent of 1/5.

What is 0.2?

I am the decimal equivalent of 1/8.

What is 0.125?

I am the decimal equivalent of 3/5.

What is 0.6?

I am the decimal equivalent of 5/8.

What is 0.625?

Make your wager now!

44.87 ÷ 7 =

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What is 6.41?

Thank you for playing Math Jeopardy!

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