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Math 208 Midterm UPDATED ACTUAL Exam Questions and CORRECT Answers
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Math 208 Midterm UPDATED ACTUAL Exam Questions and CORRECT Answers The process of immediate recognition is called... - CORRECT ANSWER- subsidizing why is one-to-one correspondence important? - CORRECT ANSWER- it allows us to count a set of numbers one by one what are two ways to think about ...

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  • October 18, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • math 208 midterm
  • math 208

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Math 208 Midterm UPDATED ACTUAL
Exam Questions and CORRECT Answers
The process of immediate recognition is called... - CORRECT ANSWER✔✔- subsidizing



why is one-to-one correspondence important? - CORRECT ANSWER✔✔- it allows us to
count a set of numbers one by one


what are two ways to think about counting numbers? - CORRECT ANSWER✔✔- as a list or
as telling "how many"


does every counting number have a unique predecessor? - CORRECT ANSWER✔✔- no
because 0 is not a counting number so the number 1 does not have a unique predecessor


explain how the digit "1" in the number 14 simultaneously has two meanings - CORRECT
ANSWER✔✔- This digit can be interpreted as either 1 group of ten objects or ten individual
objects


what is the key innovation of the base-ten system? - CORRECT ANSWER✔✔- that it uses
only numeric symbols 0,1,2,3,4,5,6,7,8,9 and place value to represent quantities


Are all whole numbers are counting numbers? explain - CORRECT ANSWER✔✔- no
because 0 is not a counting number, but all counting numbers are whole numbers


is 0 a counting number or a whole number or both? - CORRECT ANSWER✔✔- whole
number


are there are only 10 numbers between 2.5 and 2.6 on a number line? - CORRECT
ANSWER✔✔- no there are an infinite amount of numbers between each decimal


when comparing numbers on a number line which one is always bigger? - CORRECT
ANSWER✔✔- the number on the right is always greater

, When labeling a number line, Jason begins at 3.9 and labels the next 9 tick marks to the right
3.91, 3.92, 3.93, 3.94, 3.95, 3.96, 3.97, 3.98, and 3.99. What should the next number be? -
CORRECT ANSWER✔✔- 4.00



To round a number to a given place value means... - CORRECT ANSWER✔✔- to find the
closest number that has zeros in all smaller places


how do we compare sizes of numbers in base-ten? - CORRECT ANSWER✔✔- we compare
"like places", starting at the place of the largest value that has a non-zero entry


The distance between two cities is reported to be 2,900 miles. Is it likely that this
measurement has been rounded to the nearest hundred? Why? - CORRECT ANSWER✔✔-
yes, because the reported distance has zeros in the ones and tens places


how is 0 used in our place value system and provide an example - CORRECT ANSWER✔✔-
it is simply a place holder. for example, in the number 200, there is a two in the hundreds
place and 0s in the tens and ones place, but if we had the 2 by itself, it would not represent
200


why is the decimal point important on our place value system? - CORRECT ANSWER✔✔-
it allows us to represent a value smaller than a whole number


what are the most basic numbers and the starting point for children? - CORRECT
ANSWER✔✔- counting numbers



what is the cardinality of a set? - CORRECT ANSWER✔✔- the number of things in a set



why are number lines important? - CORRECT ANSWER✔✔- because they allow the
concept of numbers to be expanded as decimals, fractions, and negative numbers


what is the structure of the base ten system/how are they related? - CORRECT
ANSWER✔✔- the value of each place is ten times the value of the place to its right

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