Formulas
Equations
Grab Bag
Circles
Definitions
100

This is the formula for triangle.

What is base x height divided by 2?

100

If a circle has a diameter of 10 this is the circumference.

What is 31.4 cm?

100

The national animal of Scotland is this mythical creature.

What is a unicorn?

100

This part of bottles is always a circle and on top.

What is the cap?

100

This is the definition of a circle.

What is a round plane figure whose boundary (the circumference) consists of points equidistant from a fixed point (the center).

200

This is the formula for a trapezoid.

What is base + base x height divided by 2?

200

If a circle has a diameter of 5 this is its circumference.

What is 15.70 cm?

200

Some of these marine animal has been trained for war.

What is a dolphin?

200

The circle on a camera is this part.

What is the lens?

200

The circumference of a circle is this mathematical term.

What is perimeter?

300

The formula for Pi.

What is Circumference divided by Diameter?

300

If circle has a radius of 7 this is the area.

What is 153.86 cm?

300

This is the month that has the highest percentage of births.

What is August

300

This is something you use to keep things safe in your locker.

What is a lock?

300

The definition of diameter.

What is a straight line passing from side to side through the center of a circle. 

400

The formula for area.

What is Pi x R2

400

If a circle has a radius of 9 this is the area.

What is 254.34 cm?

400

The superhero Hulk was originally meant to be this color.

What is gray?

400

This circular object is used for telling the time.

What is sundial?

400

The definition of a radius.

What is a straight line from the center to the circumference of a circle or sphere?

500

This is the formula for circumference.

What is diameter x pi?

500

If a circle has a area of 200.69 cm this is the radius.

What is 8?

500

This is the 8th number in the Fibonacci sequence.

What is 13.

500

This circular ride is always at an amusement park.

What is a carousel?

500

This is a definition of Pi.

What is a irrational number?

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