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Math 7 Ch 3 Vocab

Review of directions with terms

DirectionsSteps
Complete each function table Organize the x-value, the function rule, and the solution into a table.
Graph each equation/ function Make a function table and use 3 carefully selected constants to find coordinates of a line on a plane.
Find the perimeter A method of finding the number of units are in the distance around a figure.
Find the area Use the formula A = l x w to find how may square units cover a surface.
Solve the equation Use inverse operations to find the constant that will make an equation true.
Check your solution A mathematical proof used to verify your solution.
Write the original equation The first step in checking your solution.
Write the equation The first step in finding a solution.
Solve each equation using models or a drawing A way to justify a solution using pictorial representations such as number lines, counters, or algebra tiles.
Describe in words each step shown for solving the equation Another way to say "justify your solution" or "explain your steps".
Commutative property of addition or multiplication Used to justify a step in a solution where moving like terms together is an advantage. a + b + c = a + c + b or a x b x c = a x c x b
Associative property of addition or multiplication Used to justify a step in a solution to show which computation will be performed next. a + (b + c) = (a + b) + c or a x (b x c) = (a x b) x c
Identity property Used to justify a step in a solution where a x 1 = a or when a + 0 = a.
Write each phrase as an algebraic expression Convert words to a number sentence containing constants, variables and at leas one mathematical operation.
Write each phrase as an algebraic equation Convert words into a number sentence containing an equals sign,, constants, variables, and at least one mathematical operation.
Subtraction property of equality An inverse operation step used when solving an addition algebraic equation.
Addition property of equality An inverse operation used when solving a subtraction algebraic equation.
Multiplication property of equality An inverse operation used when solving a division algebraic equation
Division property of equality An inverse operation used when solving a multiplication algebraic equation.
Combine like terms Using the commutative property and integer operations to simplify expressions with a variety of terms having simlar coefficeints ad constants.
Coefficient The constant in an algebraic expression.
Variable The term that can change in an algebraic expression. Usually represented by lowercase letter.
Created by: MathSamurai678