Expand it
Write the number for 231 in expanded form.
200+30+1
Round to the nearest hundred
873
900
find the error.
123=One hundred and twenty-three
we don't use "and" unless its a decimal
What is the value of the 8 in this number.
689
80
>,=,<
111,011____110,111
>
Write the number for 3,250 in expanded form.
3,000+200+50
Round to the nearest ten-thousand
23,478
20,000
write 456 in word form
What place value is the 5 in?
5,000,000
Millions Place Value
A process that determines which multiple of 10,100,1,000 (and so on) a number is closet to is called______.
Rounding
Write the number for 15,031 in expanded form.
10,000+5,000+30+1
Write a number that rounds to 200 when rounded to the nearest hundred.
190, 180, 170, 160 150
what is the number name?
8,347
eight thousand, three hundred forty-seven.
What is the value of the 6 in this number.
76,000
6,000
A group of 3 digits, separated by commas starting from the right is called a_______.
Period
Write the number for 134,053 in expanded form.
100,000+30,000+4,000+50+3
Round to the nearest ten.
195
200
Double JEOPARDY!
What is the point of rounding numbers?
To make estimates
To make numbers easy to work with.
Mental math
what is the difference between place and value?
Place: The location of a digit
Value: How much the digit is worth.
Write 1,000,000+200+3 in Standard Form.
1,000,203
Write the number for 2,345,607 in expanded form.
2,000,000+300,000+40,000+5,000+600+7
Write 2 numbers that round to 40,000 when rounded to the nearest ten thousand.
ex. 39,000;43,145......
write in word form
4,000,657
Four million, six hundred fifty-seven
which number has one digit that represents ten times the value of the digit to its right?
ex. 122, 555,677
Rhode Island has about three hundred fifty-six thousand acres of forested land. What is this number in standard form rounded to the nearest ten thousand?
a.350,000 b.400,000 c.360,000 d.356,000
c.360,000