VARIABLES AND EXPRESSIONS NUMERICAL EXPRESSION A NAME FOR A NUMBER VARIABLE OR ALGEBRAIC EXPRESSION AN EXPRESSION THAT CONTAINS AT LEAST ONE VARIABLE (LETTER)
EVALUATING NUMERIC EXPRESSIONS (300 – 50) = = 350
EVALUATING NUMERIC EXPRESSIONS 18 + (17 – 9) = = 26
EVALUATING NUMERIC EXPRESSIONS (27 + 6) - 19 = = 14
EVALUATING VARIABLE EXPRESSIONS N + 7 FOR N=9 = N + 7
EVALUATING VARIABLE EXPRESSIONS N + 7 FOR N=9 = + 79 = 16
EVALUATING VARIABLE EXPRESSIONS A + (13 – 8) FOR A = 6 = A + (13 – 8)
EVALUATING VARIABLE EXPRESSIONS A + (13 – 8) FOR A = 6 = + (13 – 8)6 = 11 = 6 + 5
EVALUATING VARIABLE EXPRESSIONS (A + B) – 10 FOR A = 8 AND B = 9 = (A + B) – 10
EVALUATING VARIABLE EXPRESSIONS (A + B) – 10 FOR A = 8 AND B = 9 = ( + ) – = = 7
EVALUATING VARIABLE EXPRESSIONS AB FOR A = 9 AND B = 7 = AB
EVALUATING VARIABLE EXPRESSIONS AB FOR A = 9 AND B = 7 = X9 7 = 63
RECAP NUMERICAL EXPRESSION A NAME FOR A NUMBER VARIABLE OR ALGEBRAIC EXPRESSION AN EXPRESSION THAT CONTAINS AT LEAST ONE VARIABLE (LETTER) TO SOLVE A NUMERIC EXPRESSION …… SIMPLIFY TO SOLVE AN ALGEBRAIC EXPRESSION ….. FIRST SUBSTITUTE THEN SIMPLIFY