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# ILearn Vocabulary

### Terms that could possibly be on the ILearn test.

TermDefinition
Difference The answer to a subtraction problem.
Product The answer to a multiplication problem.
Quotient The answer to a division problem.
Dividend The number that is to be divided in a division problem.
Trapezoid A quadrilateral with at least one pair of parallel sides.
Perimeter The distance around a shape. Add up all of the sides.
Divisor The number that divides the dividend.
Acute Angle An angle that is less that 90 degrees.
Area The space inside of a shape. Length times the width.
Factor A number that is multiplied to get a product.
Obtuse Angle An angle that is more than 90 degrees.
Millimeter A metric unit for measuring length or distance. 1 centimeter = 10 millimeters
Multiple The product of a number and a counting number is called a multiple of the number. Example: 2, 4, 6, 8, 10....
Right Angle An angle that measures, exactly, 90 degrees.
Inch A customary unit used for measuring length or distance.
Associative Property The property that states that you can group factors in different ways and still get the same product. Example: 3 × (4 × 2) = (3 × 4) × 2
Mixed Number An amount given as a whole number and a fraction.
Numerator Parts of a whole. The top number of a fraction.
Denominator Represents the whole. The bottom of a fraction.
Congruent Two figures or objects are congruent if they have the same shape and size.
Parallelogram A polygon that has TWO pairs of parallel lines.
Rhombus A quadrilateral with two pairs of parallel sides and four sides of equal length.
Parallel Lines Lines that will never touch.
Ray A part of a line; it has one endpoint and continues without end in one direction.
Perpendicular lines Lines that meet/cross to create a 90 degree angle.
Intersecting lines Lines that meet/cross to create an obtuse or acute angle.
Commutative Property The property that states that when the order of two factors is changed, the product is the same. Example: 4 × 5 = 5 × 4
Distributive Property The property that states that multiplying a sum by a number is the same as multiplying each addend by the number and then adding the products. Example: 5 × (10 + 6) = (5 × 10) + (5 × 6)
Improper Fraction A fraction that has the numerator(top) bigger than the denominator(bottom).
Inverse Operations Operations that undo each other, such as addition and subtraction or multiplication and division. Example: 6 × 8 = 48 and 48 ÷ 6 = 8
Created by: 12mooreh

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