Which of the following is an example of using a buildup strategy method of solving proportions?
A) Allison bought 3 pairs of socks for $12. To find out how much ten pairs cost, find that $12 divided by 3 is $4 a pair, and multiply $4 by 10 for a total of $40.
B) A square with a length of 2 inches was enlarged by a scale factor of 4 and is now 8 inches long.
C) If 5 candy bars cost $4.50, then 10 would cost $9. (Because 5 × 2 = 10, multiply $4.50 by 2).
D) If 2/3 = x/15 , find the cross products, 30 = 3x, and then solve for x. x = 10.
C) If 5 candy bars cost $4.50, then 10 would cost $9. (Because 5 × 2 = 10, multiply $4.50 by 2).
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Three of the following teachers are using strategies that are likely to be effective with students who have emotional-behavioral problems. Which teacher is not using an effective strategy?
a. Mr. Green privately praises students for such appropriate behaviors as smiling, speaking pleasantly, and cooperating. b. Ms. Walsenburg allows students to be verbally aggressive with classmates as long as they don't become physically aggressive. c. Ms. DuBois asks Harry, "Do you want to talk about it?" when he seems especially upset. d. Mr. Moreno makes it clear that getting up and leaving the classroom without permission is unacceptable behavior.
Several disadvantages of obtaining a running record are that the procedure is (Circle all that apply.)
A. time-consuming. B. subject to observer bias and judgment. C. difficult to observe and record all events that occur. D. difficult when collecting data on several students at once. E. an observation method that requires special training.
Proactive action research begins with the ______ stage, while responsive action research begins at the ______ stage.
A. planning; reflection B. planning; implementation C. reflection; implementation D. analysis; reflection
Katie was watching a movie and heard the main character say, "You only use 10% of your brain, and you're either right-brained or left-brained. Stop working at it. Your brain can't change. Drink up. At least we know your drinking isn't killing your brain cells." What part of the character's statement is true?
a. You only use 10% of your brain. b. Your drinking isn't killing your brain cells. c. You're either right-brained or left-brained. d. Your brain can't change.