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7.4 Parentheses in Number Sentences

7.4 Parentheses in Number Sentences. SRB pgs. 203-204. Parentheses. Parentheses tell you what to answer first in a number sentence. Solve the parentheses number expression first and drop the rest of the problem using the order of operations.

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7.4 Parentheses in Number Sentences

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  1. 7.4 Parentheses in Number Sentences SRB pgs. 203-204

  2. Parentheses • Parentheses tell you what to answer first in a number sentence. • Solve the parentheses number expression first and drop the rest of the problem using the order of operations. • Parentheses may be added to a number sentence to make it true.

  3. Example 3 + (4 x 2) – 1 3 + 8 – 1 11 – 1 10

  4. Nested Parentheses • Nested Parentheses are more than one set of parentheses in a number sentence. *You must have the same number of parentheses facing each other. • Solve the problem by completing the first set of closed parentheses first.

  5. Example ((2 + 1 )4 ÷ 9) – 1 (34 ÷ 9) – 1 (81 ÷ 9) – 1 9 – 1 8

  6. Example (42 - (3 x 3)) + 1 (42 - 9) + 1 (16 - 9) + 1 7 + 1 8

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