A straight path that extends in both directions forever.
What is a line?
100
These are the units used to measure angles.
What are degrees?
100
This is a triangle with one angle greater than 90 degrees.
What is an obtuse triangle?
100
These are the two ways to classify triangles.
What are sides and angles?
100
This is the answer in a division problem.
What is the quotient?
200
A part of a line with one endpoint that extends in one direction.
What is a ray?
200
This is an angle less than 90 degrees.
What is an acute angle?
200
This is a triangle whose angles all measure less than 90 degrees.
What is an acute triangle?
200
This is a triangle with three sides of the same length.
What is an equilateral triangle?
200
This is the answer in a multiplication problem.
What is the product?
300
Two rays that share a common endpoint.
What is an angle?
300
This is an angle that measures exactly 90 degrees.
What is a right angle?
300
This is a triangle with one angle measuring 90 degrees.
What is a right triangle?
300
This is a triangle with no sides of the same length.
What is a scalene triangle?
300
This is what you should do to check your answer in a division problem if there is a remainder.
What is multiply the quotient by the divisor and add the remainder?
400
Lines that stay the same distance apart and never meet.
What are parallel lines?
400
This is an angle that measures greater than 90 degrees but less than 180 degrees.
What is an obtuse angle?
400
This is the total number of degrees in a triangle.
What is 180 degrees?
400
This is a triangle with exactly two sides of the same length.
What is an isosceles triangle?
400
This is the step you should follow in a two-digit by two-digit multiplication problem after you multiply both digits of the first number by the ones digit of the second number.
What is clean house and make Mama happy?
500
Lines that meet to form right angles.
What are perpendicular lines?
500
This is an angle that measures exactly 180 degrees.
What is a straight angle?
500
A triangle has one angle that measures 60 degrees, and another angle that measures 30 degrees. What is the measure of the third angle?
What is 90 degrees?
500
This is the kind of triangle you get if you divide a square in half diagonally.
What is an isosceles triangle or a right triangle?
500
This is the number of digits in the number five million, six hundred twenty-two thousand, nine hundred forty-five and three tenths.