91Ó°ÊÓ

Which of the following is true about the order of operations? A. It must be followed rigidly to ensure correct answers. B. It is universal. C. It is based in mathematical properties. D. It is based on long-standing conventions.

Exponents may be confusing to students. Which of the following is a common misconception? A. Adding exponents versus multiplying B. Not distinguishing between exponents and multiplication C. Writing and evaluating numeric expressions D. Learning the "rules" of exponents

Scientific notation is one way to show a number has value and purpose. The following are activities that could help students understand the reason for using scientific notation except: A. Converting numbers from standard form to scientific notation B. Using the context to determine if the level of precision for that number is appropriate for the situation C. Looking for numbers in newspaper and magazines to determine when they are rounded and why D. Comparing populations of states, regions, and the world

Negative numbers are defined in relation to their positive counterparts. A set of integers includes all of the following except: A. Positive whole numbers B. Zero C. \(2+?=0\) D. Opposites of the whole numbers

The following are correct explanations of \(8-2=10\) extept: A. one checkbook balances at \( 8\), a debt of \( 2\) is removed from the account, and now there is \( 10\) left. B. one adds the two numbers, ignoring the sign, and takes the sign of the larger, positive 10 . C. one jumps to 8 on the number line. One arrows back \(-2\), resulting in an endpoint of 10 . D. one has eight positive counters. To take 2 negative away, one must add two counters (red and yellow \(=0\) ). After one removes the 2 negative counters, 10 positive remain.

The number \(-45\) is all the following except: A. real. B. rational. C. integer. D. whole.

Rational numbers include all the following except: A. Fractions B. Absolute value of a number C. Percent D. Terminating and repeating decimals