section 1.2 estimation Flashcards
1
Q
what is estimation ?
A
Is the process of approximately a rough answer to a question using the best available information
2
Q
what are the sets of whole numbers ?
A
0,1,2,3,4,5,6,7,8,9,10,11,12,13,
3
Q
what are digits ?
A
are the numbers
4
Q
what determines a numbers place value ?
A
where the digit is
5
Q
how to round whole numbers ?
A
- locate the digit where rounding is to occur then observe the digit to its right
- if the digit is then than 5, then round down leave the digit to be rounded as it is and change all the digits to its right to zeros.