The use of model-based problems that students can use counters, bar diagrams, or number lines helps with their problem solving skills. Identify the statement below that describes what the use of bar diagrams can demonstrate
a. Modeling two parts in two separate piles.
b. Measuring distances from zero.
c. Generating mean-making space.
d. Breaking the shape apart to show multiple parts.
c
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Identify the least appropriate Answer: When parents accompany children on field trips, they should a. know guidelines for behavior before leaving
b. be compensated for their gas mileage. c. have a list of the children they are keeping track of. d. see that all children wear name tags.
Not all visual impairments are diagnosed at an early age. It is estimated that as many as ____ percent of children have some degree of visual impairment
a. 3 b. 10 c. 20 d. 50
You ______ the null hypothesis when your statistic falls in the region of ______ because this means ______.
a. do not reject; rejection; p < .05 b. accept; rejection; p > .05 c. do not reject; non-rejection; p > .05 d. reject; non-rejection; p < .05
As class sizes are reduced the lower number of students in a class first impacts student achievement when the size of the group becomes
a. less than 30 b. less than 25 c. less than 20 d. less than 15