1.2.2 Order of Operations − Practice

1. Evaluate 5 + x − 6 · 8 for x = 8.

2. Translate the word phrase, the product of 9.5 and the difference of − 2 and 2, into a numerical expression.

3. Translate the phrase “5 times the sum of − 2 and z ” into an algebraic expression.

4. Translate the word phrase into a numerical expression. the quotient of the difference of 29 and 9 and the square root of 100

5. The surface area of a cylinder can be found using the expression 2 πr ( r + h ). Find the surface area of the cylinder if h = 6 feet and r = 2 feet. Use 3.14 for π and round to the nearest tenth if needed.

6. Simplify the expression 2 × 4 − 3 + 4 ÷ 2 2 .

7. Simplify 8 + 3[3 − (1) 6 ].

8. Simplify. + 10 5 5 2

|9 11|

+ −

9. Anna has coins in pennies, nickels, dimes, and quarters. The total amount of money she has in dollars can be found using the expression ( P + 5 N + 10 D + 25 Q ) ÷ 100. Use the table to find how much money Anna has. P N D Q 36 14 9 3

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