Rounding Rules
What is Step 1 when rounding any number?
Underline the number in the place value you are being asked to round to.
4,540
What is the value of the number 9 in the number 739
9
The numerical value that a digit has by its position in a number.
Place Value
What is 800+6 written in standard form?
806
What is Step 2 when rounding any number?
Circle the number that is directly to the right of the number you underlined.
Round 45,265 to the nearest hundred.
45,300
What is the value of the 5 in the number 13,250?
50
A way to break up a number to show how much each digit in the number represents.
Expanded Form
What is 1,536 written in expanded form?
1000+500+30+6
What do you do if the circled number is 5,6,7,8, or 9?
Round up
Round 12,456 to the nearest thousand.
12,000
What is the value of the 7 in the number 13,751?
700
Making a number simpler but keeping its value close to what it was.
Rounding
What is 20,000+300+8 written in standard form?
20,308
What do you do if the circled number is 0,1,2,3 or 4?
Round down
Round 9,999 to the nearest thousand.
10,000
What is the value of the 8 in the number 180,956?
80,000
A tool or drawing used to determine if you should round up or down.
Mountain Man
Write 13,006 in expanded form.
10,000+3,000+6
What does the circled number tells us when rounding?
Rather to round up or down the underlined number
Round 920,347 to the nearest million.
1,000,000
What is the value of the number 3 in the number 3,967,784
3,000,000
Explain standard form.
A way of writing down very large or very small numbers easily.
What is 9,147,009 written in standard form?
9,000,000+100,000+40,000+7,000+9