When 10-year-old Meg tackles a word problem that requires her to add the numbers 29 and 56, she arrives at the solution 715. Based on her error, you might reasonably guess that Meg:
a. Has not yet acquired proportional reasoning ability
b. Does not engage in metacognitive oversight of her problem solving
c. Has not yet learned basic addition and subtraction facts (e.g., 9 + 6 = 15)
d. Is thinking abstractly about a situation that does not call for abstract thought
Question 2
A faculty committee is revising the goals for the school district's reading curriculum. Three of the following goals are developmentally appropriate. Which one is not?
a. By the end of second grade, students should be able to count the number of syllables in words.
b. By the end of fourth grade, students should be able to identify symbolism in a novel.
c. By the end of tenth grade, students should use several strategies to help them monitor their comprehension as they read.
d. By the end of twelfth grade, students should be able to critically examine an author's point of view.
(a) With few ticks, moose retain a brown coat; (b) at high numbers of ticks, moose self-groom, destr
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How to combine approximate and exact numbers when considering significant digits
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