Determine which of the following are sentences (complete idea) and which are phrases (not complete thought). Ten is five less than a number.(10 = x – 5) b. Four increased by a number is nine.( 4 + n = 9) c. five less than a number (x – 5) d. four increased by a number (4 + n) sentence sentence phrase phrase
Expression An expression is a mathematical phrase that combines numbers and/or variables using mathematical operations. There is no equal sign. Examples: x – 5 4 + n
equation An equation is a mathematical sentence that combines numbers and/or variables that shows the equality of two expressions. There must be an equal sign. Examples: 10 = x – 5 4 + n = 9
Sort the following verbal and mathematical phrases/sentences into the appropriate categories.
Choose the appropriate term to describe the math phrases/sentences below.
ALGEBRAIC Expression Algebraic expression is a combination of variables, numbers, and/or operations that represents a mathematical relationship, but no statement of equality or inequality. (DOES NOT HAVE AN equal sign)
ALGEBRAIC equation Algebraic equation is a mathematical statement that two or more expressions are equal. (MUST HAVE AN equal sign).
Write the given verbal phrases or sentences as mathematical expressions/equations inside the box. Then, identify if each of the following is algebraic EXPRESSION or EQUATION.
Assignment Follow-up: Give at least three (3) examples of algebraic expressions and (3) examples of algebraic equations. Study: Translating English sentences to mathematical sentences and vice versa