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Question
The expression "Please Excuse My Dear Aunt Sally"a) Is an obscure phrase that is not at all helpful.
b) Refers students somewhat to the order of operations in an expression or equation.
c) Doesnot help students remember which operation comes first.
d) Refers students to the left to rightcomputations of parentheses, exponents, multiplication, division, addition and subtraction.
Answer
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Related questions
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Q:
Which is NOT an illustration of the relationships between the various area formulas?
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Which of the following is an example of teaching throughproblem solving?
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When comparing ratios to fractions keep in mind that
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b) They have the same meaning when a ratio is of the part-to-whole type.
c) They both have a fraction bar that causes students to mistakenly think they are related in some way.
d) Operations can be done with fractions while they can"t be done with ratios.
Q:
Which of the following is a true statement regarding the practice of exposing students to multiple approaches to solving problems?
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To set up an environment for "doing" mathematics, teachers need to
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d) Allow students to make engage in "productive struggle."
Q:
Which of the following is an example of a statement spoken in the language of doing mathematics?
a) "Memorize these steps."
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d) "Copy down these steps into your notebooks."
Q:
Which of the following is NOT a common misconception about fraction computation?
a) Multiplying always results in a bigger number, while dividing always make a number smaller.
b) Fractions have to have a common denominator for all computation.
c) Procedures developed from conceptual understanding are usually easier than the standard algorithms.
d) Estimation is not important.
Q:
In this ever-changing world, those who love mathematics will likely survive the ups and downs of the economy. Which of the following is NOT a contributing factor to this fact?
a) Society is becoming more reliant on technology and the data it produces.
b) There are countless jobs in which people do simple computation.
c) Teachers are currently preparing students for jobs that don"t yet exist, and they will likely need to be skilled at approaching problems in different ways.
d) The world is surrounded by algorithms that help make predictions.
Q:
Estimation of fractions can result in estimates that are not close to the actual computed answer and should be avoided.