What is the opposite number of 20?
Find the opposite of 20
Multiply 20 by -1
-1 * 20
Since 20 is positive:
the opposite must be negative
Multiply 20 by -1 to find the opposite:
Opposite of 20 = -(20) = -20
Plot this point on a number line
Common Core State Standards In This Lesson
6.NS.C.6.A, 7.NS.A.1.A, 7.NS.A.1.B
What is the Answer?
Opposite of 20 = -(20) = -20
How does the Opposite Numbers Calculator work?
Free Opposite Numbers Calculator - Given a positive or negative integer (n), this calculates the opposite number of n
This calculator has 1 input.
This calculator has 1 input.
What 1 formula is used for the Opposite Numbers Calculator?
Opposite of a positive number a = -1*a = -a
Opposite of a negative number -1 = -1 * -a = a
Opposite of a negative number -1 = -1 * -a = a
What 7 concepts are covered in the Opposite Numbers Calculator?
- integer
- a whole number; a number that is not a fraction
...,-5,-4,-3,-2,-1,0,1,2,3,4,5,... - negative
- numbers or values less than 0
- 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.
- number line
- a line on which numbers are marked at intervals, used to order numbers. Smaller numbers are on the left and larger numbers are on the right.
- opposite
- diametrically different; of a contrary kind.
- opposite numbers
- A number on the other side of the number line, with the same distance from zero
- positive
- numbers or values greater than 0
