Math Vocabulary Review

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing variables and constants, such as 4x = 9.

Front

What is the difference between an expression and an equation?

Back

An expression is a combination of numbers, variables, and operations without an equality sign, while an equation includes an equality sign, like 8y + 10 = 1.

Front

What is a right angle?

Back

A right angle is an angle that measures exactly 90 degrees, forming a square corner.

Front

Do perpendicular lines intersect?

Back

False. Perpendicular lines intersect at a right angle, but they do not run parallel.

Front

What shape has three sides?

Back

A triangle has three sides.

Front

What is a variable in mathematics?

Back

A variable is a symbol, often a letter, that represents an unknown value in an equation or expression.

Front

What is the sum of angles in a triangle?

Back

The sum of the interior angles in a triangle is always 180 degrees.

Front

What is a polygon?

Back

A polygon is a closed figure formed by a finite number of straight line segments, such as triangles, quadrilaterals, and pentagons.

Front

What is the formula for the area of a rectangle?

Back

The area of a rectangle is calculated by multiplying its length by its width (Area = length × width).

Front

What is a complementary angle?

Back

Complementary angles are two angles whose measures add up to 90 degrees.