6 th grade Math Vocabulary Word, Definition, Model Emery UNIT 2

Unit 2 Algebraic Expressions MODEL: Definition: ADefinition: A mathematical phrase that can contain ordinary numbers, variables (like x or y) and operators (like add, subtract, multiply, and divide).

Unit 2 base MODEL: Definition: the number that is raised to a power or multiplied by itself the exponent number of times.

Unit 2 COEFFICIENT MODEL: Definition: The numerical factor in a term. The number next to the variable, multiplied by the variable.Definition: The numerical factor in a term. The number next to the variable, multiplied by the variable.

Unit 2 COMMUTATIVE PROPERTY OF ADDITION MODEL: Definition: This property states that order does not matter when you are adding.

Unit 2 Commutative Property of Multiplication MODEL: 2 * 3 = 3 * 2 Definition: This property states that order does not matter when you are multiplying.

Unit 2 CONSTANT MODEL: Definition: A number with no variable next to it. A fixed value.Definition: A number with no variable next to it. A fixed value.

Unit 2 DISTRIBUTIVE PROPERTY MODEL: Definition: This Property says that multiplying a number by a group of numbers added together is the same as doing each multiplication separately.

Unit 2 EQUIVALENT EXPRESSIONS Definition: When two expressions have the same value.Definition: When two expressions have the same value. Model : 2x = x + x

Unit 2 EVALUATE MODEL: Definition: To combine, simplify or otherwise determine results.

Unit 2 EXPONENTS MODEL: Definition: A number placed above and to the right of another number to show that it has been raised to a power.

Unit 2 FACTOR Definition: A number that can be divided from the given value evenly.Definition: A number that can be divided from the given value evenly. Model: The factors of 42 are 6 and 7 or 2, 3, 7. 3x = 3 * x the factors of 3x are 3 and x.

Unit 2 LIKE TERMS MODEL: 3x and 5x 2ab and -8ab Definition: terms that have the same variable combination.

Unit 2 MULTIPLICATIVE IDENTITY MODEL: 5 x 1 = 1 5 Definition: Two numbers whose product is 1. Also called reciprocals.

Unit 2 NUMERICAL EXPRESSIONS MODEL: Definition: A group of known values that represent a situation.Definition: A group of known values that represent a situation.

Unit 2 PRODUCT MODEL: 4 * 3 = IS THE PRODUCT Definition: The result of multiplication.

Unit 2 QUANTITY MODEL: $30 or 15t, when t = 5 means 75. Definition: an amount or value.

Unit 2 QUOTIENT MODEL: Definition: The result of the division of one quantity by another.

Unit 2 SUM MODEL: = 5 5 is the sum. Definition: The result from an addition problem.

Unit 2 TERM MODEL: Definition: ADefinition: A single number or variable, or numbers and variables multiplied together. Terms are separated by + or − signs.

Unit 2 Variables MODEL: x Definition: A letter used to represent an unknown quantity.

Unit 2 Vocabulary 1.Algebraic Expressions 2.Base 3.Coefficient 4.Commutative property of addition 5.commutative property of multiplication 6.constant 7.Distributive Property 8.Equivalent Expressions 9.Evaluate 10.Exponents 11.Factor 12.Like terms 13. Multiplicative Identity 14. Numerical Expressions 15. Product 16.Quantity 17.Quotient 18.Sum 19.Term 20.Variables