While counting pencils, a kindergartener occasionally fumbles with a pencil and her counting
gets off. She is demonstrating an inability to do what? Correct Answer: Rational counting. one-
to-one correspondence. One number is being assigned to one item being counted.
What is rote counting? Correct Answer: Recitation of numbers. No physical objects at all.
Leaning a straight board against a wall that is perpendicular to the floor will result in what type
of triangle? Correct Answer: Right
which of the following would be next group in the series: abt, bcu, cdv, dew... Correct Answer:
efx
What would you use to find the perimeter of a square for which s = 16? Correct Answer: 4s
What tool is used to draw arcs and circles of varying radii? Correct Answer: A compass.
What is the best way of presenting an annual budget would be using a Correct Answer: pie chart
What is a bar chart good for? Correct Answer: They typically present one variable over a certain
amount of time.
A stem and leaf plot is good for... Correct Answer: graphing data on an interval scale
A scatter plot is good for Correct Answer: graphing two variables
Change 450% to decimal form Correct Answer: 4.5
Simplify the expression 7(5 + 2) - 5 Correct Answer: 44
What is this notation? n! Correct Answer: Factorial: the factorial of a given number is the
product of all positive integers less than or equal to that number.
what would be the first step in teaching 4th grade students how to calculate the area of a
rectangle? Correct Answer: Define "area."
Given an initial position of 13 on a number line, what is the final position once -2, -3 and -8 are
added? Correct Answer: On the whole number zero.
What is an accurate value for an acute triangle? Correct Answer: 60 degrees. An acute angle
measures between 0 and 90 degrees.
What is an accurate value for an obtuse angle? Correct Answer: One measuring more than 90
degrees.
, If two of the angles in a triangle are 40 degrees and 50 degrees, how could you determine the
measurement of the third angle? Correct Answer: Subtract 90 from 180; the angles of a triangle
add up to 180 degrees.
Which units of measurement would you most likely use to weight a grape? Correct Answer:
grams.
Which units of measurement would you most likely use to weight a little bit of sand? Correct
Answer: milligrams - indicates mass of very small objects
The kilogram is equivalent to what? Correct Answer: about 2 pounds
What is an inappropriate use of calculators in teaching elementary math? Correct Answer:
increasing fluency during a subtraction drill... you would be measuring how well a student could
use a calculator.
What does math fluency measure? Correct Answer: the rate at which a student can complete a
set of problems accurately.
How many different ways can 5 books be arranged on a shelf? Correct Answer: 120; 5! In a
factorial, start with the number given, and multiply that number times each whole number
smaller than it counting down to 1. In this case, 5! = 5 x 4 x 3 x 2 x 1 = 120
What is the absolute value? Correct Answer: The distance the number is from zero. The number
inside the absolute value can be positive or negative.
what is the equation for a line that is parallel to the x axis in the Cartesian coordinate plane?
Correct Answer: y = 2 This is a reduced form of the equation y = 0 x + 2
Formula for volume of a square pyramid Correct Answer: 1/3(area of base)(height)
Formula for area of a triangle Correct Answer: 1/2bh
How does the "partial sum method" algorithm work? Correct Answer: tally the total sum of each
place value and then add those place value totals to get the final answer. Often uses base 10
blocks.
What is a duplicate of a gene? Correct Answer: Allele; an allele is a duplicate of a specific gene
and often controls one specific characteristic; cats: one gene that controls fur color, many
different versions or alleles of that gene.
In the search for extraterrestrial intelligence, data from the radio telescope at Arecibo, Puerto
Rico, is analyzed for what? Correct Answer: Modulated radio transmission from outer space.
What is the correct order for the scientific process? Correct Answer: Question, Hypothesis,
Observation, Analysis, Conclusion.