While counting pencils, a kindergartener occasionally fumbles with a pencil and her counting gets off. She is demonstrating an inability to do
... [Show More] what?
Rational counting. one-to-one correspondence. One number is being assigned to one item being counted.
What is rote counting?
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?
Right
which of the following would be next group in the series: abt, bcu, cdv, dew...
efx
What would you use to find the perimeter of a square for which s = 16?
4s
What tool is used to draw arcs and circles of varying radii?
A compass.
What is the best way of presenting an annual budget would be using a
pie chart
What is a bar chart good for?
They typically present one variable over a certain amount of time.
A stem and leaf plot is good for...
graphing data on an interval scale
A scatter plot is good for
graphing two variables
Change 450% to decimal form
4.5
Simplify the expression 7(5 + 2) - 5
44
What is this notation? n!
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?
Define "area."
Given an initial position of 13 on a number line, what is the final position once -2, -3 and -8 are added?
On the whole number zero.
What is an accurate value for an acute triangle?
60 degrees. An acute angle measures between 0 and 90 degrees.
What is an accurate value for an obtuse angle?
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?
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?
grams.
Which units of measurement would you most likely use to weight a little bit of sand?
milligrams - indicates mass of very small objects
The kilogram is equivalent to what?
about 2 pounds
What is an inappropriate use of calculators in teaching elementary math?
increasing fluency during a subtraction drill... you would be measuring how well a student could use a calculator. [Show Less]