# Evaluating Expressions: Post-Test

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1. Which comes first in the order of operations?
 a. Multiplication b. Grouping Symbols c. subraction d. exponents
2. Which grouping symbol should be used first?
 a. Braces b. Parentheses c. Brackets d. exponents
3. If an expression has braces and brackets, which should be used first?
 a. Braces b. Brackets
4. In the expression
6 + 8 x 3 ÷ 3 - 4, which operation should you do first?
 a. Add b. Subtract c. Multiply d. Divide

Evaluate the following expressions using the order of operations:

 5. 8 + (3-2) - [4 + (5 - 3) -1] Parentheses first, 3 - 2 is 1, 5 - 3 is 2. 8 + 1 - [4 + 2 - 1] brackets first, so 4 + 2 is 6 - 1 is 5. That leaves 8 + 1 - 5 Left to right 8 + 1 is 9 - 5 = 4 6. 7 x 4 + (13 - 5) Parentheses first 13 - 5 is 8. 7 x 4 + 8. Multiplication first, so 7 x 4 is 28. 28 + 8 = 36 7. (10 - 3) + 9 x 2 Parentheses first, 10 - 3 is 7. 7 + 9 x 2. Multiplication first, so 9 x 2 is 18. That leaves 7 + 18 = 25 8. 23 x 2 - 16 ÷ 4 Left to right multiplication comes first so 23 x 2 is 46. 46 - 16 ÷ 4. Division comes before subtraction, so 16 ÷ 4 = 4. Only subtraction left: 46 - 4 = 42 9. 36 ÷ 6 x 3 + (7 - 2) Parentheses first 7 -2 is 5. So 36 ÷ 6 x 3 +5. Division is before multiplication left to right, so 36 ÷ 6 = 6. That leaves 6 x 3 + 5. Multiply before add, so 6 x 3 is 18. Finally, 18+ 5 = 23. 10. 4 + (12 - 5) x 5 Parentheses first, 12-5 is 7. So 4 + 7 x 5. Multiply before add, so 7 x 5 is 35. 4 + 35. Only addition left,so 4 + 35 =39.

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## Related Resources

The various resources listed below are aligned to the same standard, (5OA01) taken from the CCSM (Common Core Standards For Mathematics) as the Expressions and equations Worksheet shown above.

Use parentheses, brackets, or braces in numerical expressions, and evaluate expressions with these symbols.

### Worksheet

Similar to the above listing, the resources below are aligned to related standards in the Common Core For Mathematics that together support the following learning outcome:

Write and interpret numerical expressions