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Question
Which of the following is NOT a method that will help students develop their ability to think proportionally?a) Provide ratio and proportional tasks within many different contexts.
b) Provide examples of proportional and non-proportional relationships to students and ask them to discuss the differences.
c) Relate proportional reasoning to their background knowledge and experiences.
d) Explain to them how important cross-multiplying is.
Answer
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Related questions
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b) They have the same meaning when a ratio is of the part-to-whole type.
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d) Operations can be done with fractions while they can"t be done with ratios.
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Which of the following is a true statement regarding the practice of exposing students to multiple approaches to solving problems?
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d) Allow students to make engage in "productive struggle."
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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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c) "Explain how you solved the problem."
d) "Copy down these steps into your notebooks."
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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.
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c) Procedures developed from conceptual understanding are usually easier than the standard algorithms.
d) Estimation is not important.
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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.