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

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Presentation on theme: "7.4 Parentheses in Number Sentences SRB pgs. 203-204."— Presentation transcript:

1 7.4 Parentheses in Number Sentences SRB pgs

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 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 (3 4 ÷ 9) – 1 (81 ÷ 9) – 1 9 – 1 8

6 Example (4 2 - (3 x 3)) + 1 ( ) + 1 (16 - 9)


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