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Published byHarvey Dawson Modified over 8 years ago

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VARIABLES AND EXPRESSIONS NUMERICAL EXPRESSION A NAME FOR A NUMBER VARIABLE OR ALGEBRAIC EXPRESSION AN EXPRESSION THAT CONTAINS AT LEAST ONE VARIABLE (LETTER)

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EVALUATING NUMERIC EXPRESSIONS (300 – 50) + 100 = 250 + 100 = 350

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EVALUATING NUMERIC EXPRESSIONS 18 + (17 – 9) = 18 + 8 = 26

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EVALUATING NUMERIC EXPRESSIONS (27 + 6) - 19 = 33 - 19 = 14

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EVALUATING VARIABLE EXPRESSIONS N + 7 FOR N=9 = N + 7

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EVALUATING VARIABLE EXPRESSIONS N + 7 FOR N=9 = + 79 = 16

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EVALUATING VARIABLE EXPRESSIONS A + (13 – 8) FOR A = 6 = A + (13 – 8)

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EVALUATING VARIABLE EXPRESSIONS A + (13 – 8) FOR A = 6 = + (13 – 8)6 = 11 = 6 + 5

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EVALUATING VARIABLE EXPRESSIONS (A + B) – 10 FOR A = 8 AND B = 9 = (A + B) – 10

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EVALUATING VARIABLE EXPRESSIONS (A + B) – 10 FOR A = 8 AND B = 9 = ( + ) – 108 9 = 17 - 10 = 7

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EVALUATING VARIABLE EXPRESSIONS AB FOR A = 9 AND B = 7 = AB

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EVALUATING VARIABLE EXPRESSIONS AB FOR A = 9 AND B = 7 = X9 7 = 63

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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

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