An important aspect of proportional reasoning is the ability to discriminate between proportional and nonproportional situations. Which of the following are proportional situations? (Mark all that apply.)
a. calculating batting averages
b. expanding a recipe for additional servings
c. drawing to scale
d. figuring mileage between two points
b, c
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Complete the statement, "A mental computation strategy is a simple.."
a. Left-handed method. b. Invented strategy. c. Standard algorithm. d. One right way.
Also called P.L. 94-142, the act ensured a free and appropriate education (FAPE) to all children with disabilities between the ages of 3 and 21
What will be an ideal response?
Which threat to internal validity cannot be controlled for by the use of random assignment?
a. Selection bias. b. Statistical regression. c. Unstable instrumentation. d. maturation.
A principal promotes educator growth by
a. Fostering teacher practical knowledge b. Encouraging reflection c. Offering expertise in a climate of mutual inquiry d. All of the above