Circles
Regular and Irregular Polygons
Perimeter and Area
Angles
Measurement
100
The line across the center of a circle.
What is the diameter?
100
A shape with four equal sides, four 90 degree angles and two sets of parallel lines.
What is a square?
100
The formula for finding perimeter of this quadrilateral is l(4), (length x 4).
What is a square?
100
A 90 degree angle.
What is a right angle?
100
There are three feet in one of these.
What is a yard?
200
A ray that begins in the center of the circle and reaches the edge at any point; half the length of the diameter.
What is the radius?
200
A shape with equal sides on the top and bottom and left and right, four 90 degree angles and two sets of parallel lines.
What is a rectangle?
200
The formula for finding the perimeter of a rectangle.
What is 2l + 2w (length x 2 + width x 2).
200
This angle is greater than 90 degrees.
What is an obtuse angle?
200
There are 12 inches in one of these.
What is a foot?
300
The length of the distance of the outside of a circle.
What is the circumference?
300
A shape with three sides.
What is a triangle?
300
The formula for finding the perimeter of an equilateral triangle.
What is 3l (length x 3).
300
This angle is less than 90 degrees.
What is an acute angle?
300
This is used to measure the length of small figures.
What is a ruler?
400
This mathematical constant is used to determine the area and perimeter of a circle.
What is pi (3.74)?
400
A shape with four sides and two sets of parallel lines.
What is a parallelogram?
400
The formula for finding the perimeter of an irregular polygon.
What is adding up all sides.
400
This is used to measure angles.
What is a protractor?
400
This is used to measure weight/mass.
What is a scale?
500
The three-dimensional version of a circle; the same shape as the earth.
What is a sphere?
500
A shape with one set of equal lines on the left and right, one set of parallel lines and one set of perpendicular lines.
What is a trapezoid?
500
Length times width.
What is the formula for finding the area of a square or rectangle?
500
This is the measurement of a straight line.
What is 180 degrees?
500
This the measurement system used everywhere in the world except the United States.
What is the Metric system?
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