Angles & Triangles
A 90° angle formed by two perpendicular lines.
What is a right angle?
A four-sided polygon with four right angles.
What is a rectangle?
A whole number with exactly two factors: 1 and itself.
What is a prime number?
The top number in a fraction.
What is the numerator?
A number that divides another number evenly.
What is a factor?
Three equal sides
Three equal angles
Each angle measures 60°
What is an equilateral triangle?
A quadrilateral with two pairs of parallel opposite sides.
What is a parallelogram?
A whole number, its opposite, or zero.
What is an integer?
The sum of all values divided by the number of values.
What is the mean?
The largest factor shared by two or more numbers.
What is the greatest common factor?
The triangle with two equal sides.
What is an isosceles triangle?
A quadrilateral with four equal sides.
What is a rhombus?
A number that can be written as a fraction of two integers.
What is a rational number?
The middle value when numbers are ordered.
What is the median?
The smallest positive number that is a multiple of two or more numbers.
What is the least common multiple?
Two angles whose measures add to 90°.
What is a complementary angle pair?
A four-sided shape with exactly one pair of parallel sides.
What is a trapezoid?
The property that lets you regroup addends without changing the sum?
What is the associative property?
The value that appears most often in a data set.
What is the mode?
A digit’s value depends on its position in a number.
What is place value?
A triangle with three different side lengths.
What is a scalene triangle?
A line segment connecting two nonadjacent vertices of a polygon.
What is a diagonal?
Cannot be written as a fraction
Decimal never ends or repeats
What is an irrational number?
The smallest common multiple of two or more denominators.
What is the least common denominator?
A number that reads the same forward or backwards
What is a palindromic number?