







Converting decimals to common fractions 
20180508 

Ruth pose la question : what does the 0 represent in .018 versus the decimal .180? As in, changing these to fractions? Thank you. Penny Nom lui répond. 





A five digit number 
20161012 

Massa pose la question : Explain why any four digit number is less than any five digit number? Penny Nom lui répond. 





A place value drawing 
20160224 

Kristin pose la question : Make a place value drawing of a number that has
double the number of tens as ones and three times
the number of thousands as hundreds write the number. Penny Nom lui répond. 





A six digit number 
20140630 

anupam pose la question : hi,
my daughter asking a solution for the below question, kindly help.
Write the smallest 6 digit number wit digits ( 2,4,3,0,5,7).
plz this is an urgent requirement.
regards,
anupam Penny Nom lui répond. 





Transposition error 
20121203 

Carol pose la question : What is the correct term for when a child writes 61 instead of 16, or 83 for 38when they switch the place values of a number? Chris Fisher lui répond. 





Expanded exponential form? 
20120612 

Ramon pose la question : express the numbers 990 614 000 005 in expanded exponential form. Harley Weston lui répond. 





Rounding 
20111214 

seth pose la question : A decimal number rounded changed to 23.7 after it was rounded.
Give a decimal number that is less than 23.7 and another that is greater than 23.7 that each round to 23.7.
Explain to what place each number was rounded. Penny Nom lui répond. 





Expanded form 
20111012 

Chris pose la question : Write this number in expanded form
4 326 180 501
Thanks!!! Penny Nom lui répond. 





Place value 
20110920 

Ivana pose la question : the digit in the ones place is a hand with out a thumb(4)
2) the digit in the thousands place is 2 less than the digit in the one's place.
(42=
3) the digit in the ten's place is the sum of 2 and 6 (2+6=
4) the digit in the hundreds place is what you get when you get when you subtract 5 from the digit in the ten's place (ten's5=
what is the number? Penny Nom lui répond. 





What does 163,100,000 look written in words? 
20110322 

Alicia pose la question : What does 163,100,000 look written in words? Penny Nom lui répond. 





What number has 5 hundreds and 12 tens? 
20081021 

kellee pose la question : What number has 5 hundreds and 12 tens?
I would say the number is 620. But, my daughter thinks that is wrong. Harley Weston lui répond. 





Hundreds, tens, and units digits 
20080905 

Cynthia pose la question : write an expression for the value of a threedigit number whos hundreds, tens, and units digits are x, y, and z, respectively Penny Nom lui répond. 





Units digit 
20080702 

seemachauhan pose la question : How to find unit digit of various numbers and what are unit digits? Penny Nom lui répond. 





Place value 
20071027 

eric pose la question : True or False:
In the number 378, there are 3 hundreds, 7 tens, and 8 ones. Penny Nom lui répond. 





The largest number you can add ... 
20071026 

Dryden pose la question : What is meant by asking what is the greatest number you can add to that number without having to regroup in any place? Penny Nom lui répond. 





I have a 6 digits 
20070928 

Kim pose la question : I have a 6 digits. My hundredthousands digit is 1 less that my ones digit, 8 more than my thousands digit, twice my tens digit, and 4 times my hundreds digit. My tenthousands digit is 0. What number am I? Stephen La Rocque lui répond. 





Tens and ones 
20070916 

julia pose la question : My son has come home with a math question "what i know about 10s and 1s" we're totally stumped any information you can provide would be greatly appreciated Harley Weston lui répond. 





A place value chart 
20070912 

glenwood pose la question : draw a million chart then place the following numbers in the proper place.
one hundred and nine million, seven hundred and twentythree Penny Nom lui répond. 





What number am I? 
20070811 

Belinda pose la question : What number am I? My millions digit is 4. My billions digit is two time =
my millions digit. My hundred thousands digit is two more than my =
millions digit and three more than my ones digit. My ten millions digit =
is one less than my ones digit. My other digits are zero. Write my =
short word form. Penny Nom lui répond. 





Place value, coins and money 
20061212 

Emily pose la question : I was wondering what the best way would be to teach place value using coins and money. I have used base ten blocks already and am looking for a way to integrate money, perhaps on a place value chart and perhaps using decimals. Diane Hanson lui répond. 





Four and five digit numbers 
20040921 

Josy pose la question :
The question I have now in front of me is....Is a 4digit number always less than a 5digit number?
Hi Josy,
The digits in order are 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9. Thus the largest four digit number is 9999. The smallet 5 digit number is 10000.
Penny
Go to Math Central
Penny Nom lui répond. 





Place Value 
20040425 

Santosh pose la question : Q.
Write the Place value of the digits in the following numerals.
1. 5 in 54
2. 3 in 63 Penny Nom lui répond. 





The digits in 349 
20030912 

Franik pose la question : in the number 349, which number has the least value, and why? Penny Nom lui répond. 





Round to hundredths 
20021119 

Brittany pose la question : Can u tell me how to do a problem like this:
35 divded by 4.8= Round to hundreths. Penny Nom lui répond. 





What is a group of three numbers called in a large number? 
20020115 

Laurie pose la question : What is a group of three numbers called in a large number? My son has this question on his 4th grade worksheet. I've taught middle school math for 7 years and nver heard of it. Paul Betts lui répond. 





Place value chart 
20010111 

Charles pose la question : Can you send me a pictorial example of a place value chart? Harley Weston lui répond. 





How many tens are in 400? 
20001107 

A student pose la question : How many tens are in 400? Penny Nom lui répond. 





Place Value 
19990105 

Reg pose la question : I work in a Section 27 classroom with various grades. I am looking for assistance on how to deliver a lesson on place value:decimal numbers keeping in mind that they need to see it (visual) to comprehend. I am looking for grade 46 level. Jack LeSage lui répond. 





Billions and more! 
19970915 

Mahabir B. Gupta pose la question : I would like to know how you americans write the number 1 billion. Do you say "One thousand million"..can you answer by giving me examples? 1,000,000> 1 million 1,000,000,000>1 billion Why is it that in spanish it is different? Penny Nom lui répond. 





Thousands, millions, billions and trillions 
19960822 

Blaine pose la question : What are the names of the periods in groups of numbers like 123,456,789. I need to know the names of them for school. I already know the first ones: units thousands millions billions trillions. Penny Nom and Diane Hanson lui répond. 

