A teacher is working on finding percents of numbers and displays the problem 20% of 45 = ? He asks, "What's the answer to this problem, Jack?" After thinking a few seconds, Jack responds, "900."" Based on research examining teacher feedback, of the following, what is the best teacher response?
a. "Not quite, Jack. Can someone help Jack out on this one?"
b. "Not quite, Jack. It's point two zero times 45."
c. "Not quite, Jack. Remember, the first thing we must do is change the percent to a decimal. What is the decimal equivalent of 20%?"
d. "Not quite, Jack. The answer is 9 . Now, think about that one for a minute while the rest of us look at another problem."
c
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To function properly, children's safety seats must:
a. meet federal standards for manufacturing b. be installed correctly and anchored securely to the vehicle c. include buckling children into the seat d. all answers are correct
A researcher computes the computational formula for SS and finds that ??x=39 and ??x^2 =271. If this is a sample of 6 scores, then what would SS equal using the computational formula?
A. 17.5 B. 3.5 C. 232 D. not possible to know because the sample mean is not given
Discuss the five common patterns identified by Jacob Kounin that can disrupt classroom management during times of transitions. Provide examples of each. How can teachers minimize disruption?
What will be an ideal response?
________________ opened the first English-speaking kindergarten in the United States in 1860
A. Susan Blow B. Patty Smith Hill C. Elizabeth Peabody D. Margarethe Schurz