Mathematics Vocabulary

Commutative Property

• A property of addition and multiplication that states you can change the order of the numbers and not change the result.

• A property that states the sum of two numbers is always greater than either number.

• A property that states the product of two numbers is always less than either number.

• A property that states the order of operations must be followed in calculations.

Rhombus

• A quadrilateral with all sides having equal length with two pairs of parallel lines.

• A polygon with four right angles and opposite sides equal.

• A three-dimensional shape with six faces, all of which are rectangles.

• A quadrilateral with only one pair of parallel sides.

Denominator

• The top number in a fraction, indicating the number of parts taken.

• The bottom number in a fraction, showing how many equal parts the item is divided into.

• A term used to describe the whole number in a fraction.

• A mathematical operation performed on fractions.

Parallel Lines

• Lines in a plane that never meet. They are always the same distance apart.

• Lines that are always the same distance apart and never meet.

• Lines that curve away from each other.

• Lines that are perpendicular to each other.

Improper Fraction

• A fraction where the numerator is greater than or equal to the denominator.

• A fraction where the numerator is less than the denominator.

• A fraction that equals one.

• A fraction with a numerator of zero.

Acute Angle

• Smaller than a right angle.

  Acute Angle < 90*

• Equal to a right angle.

• Larger than a right angle.

• Exactly 90 degrees.

Parallelogram

• A quadrilateral with opposite sides parallel and equal in length.

• A shape with four equal sides and four right angles.

• A triangle with two equal sides.

• A polygon with all sides of different lengths.

Quotient

• The result of dividing one number by another.

• The sum of two numbers.

• The product of two numbers.

• The difference between two numbers.

Right Angle

• Forms a square corner.

  Equals 90*

• Equals 45*

• Is an angle greater than 90*

• Is an angle less than 45*

Remainder

• The amount left over after division when one divisor does not divide the dividend exactly.

• The total amount obtained from adding two numbers together.

• The result of multiplying two numbers together.

• The difference between two numbers after subtraction.