Round 80 to the nearest 1
Rounding means approximating
Find our target digit
Find our 2 possible answers:
Multiplying
1 by 80 gives us 80
Multiplying
1 by 81 gives us 81
Since 80 = 80, we have found our answer, we don't need to compare anything
80 rounded to the nearest
1 = 80
80
Common Core State Standards In This Lesson
How does the Rounding Calculator work?
Free Rounding Calculator - Rounds a number to the nearest number of your choice
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
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
Example calculations for the Rounding Calculator