Round 351 to the nearest 100
Rounding means approximating
Find our target digit
Since 100 is a power of 10...
Use place values
Mark place value 2 as our target digit
351
Determine rounding direction
Since 5 is >=5, we round up
400
Common Core State Standards In This Lesson
3.NBT.A.1, 4.NBT.A.3
What is the Answer?
400
How does the Rounding Calculator work?
Free Rounding Calculator - Rounds a number to the nearest number of your choice
This calculator has 2 inputs.
This calculator has 2 inputs.
What 2 formulas are used for the Rounding Calculator?
If number is halfway between two points, round up to the higher point
If number is less than halfway between two points, round down to the lower point
If number is less than halfway between two points, round down to the lower point
What 5 concepts are covered in the Rounding Calculator?
- number
- an arithmetical value, expressed by a word, symbol, or figure, representing a particular quantity and used in counting and making calculations and for showing order in a series or for identification. A quantity or amount.
- place value
- the numerical value that a digit has by its position in a number.
- power
- how many times to use the number in a multiplication
- rounding
- replacing a number with an approximate value that has a shorter, simpler, or more explicit representation
- truncate
- Approximation method of a number by dropping all decimal places after a certain number
