números enteros Flashcards
(26 cards)
What is the set of natural numbers?
The set of natural numbers consists of positive integers starting from 1, 2, 3, and so on.
True or False: The set of natural numbers includes zero.
False
Fill in the blank: The absolute value of a number is its distance from _____ on the number line.
zero
What symbol is used to denote absolute value?
The vertical bars, like this: |x|.
If x = -5, what is the value of |x|?
5
What are the operations you can perform on natural numbers?
Addition, subtraction, multiplication, and division.
True or False: The result of subtracting a larger natural number from a smaller one is a natural number.
False
What is the result of |3 - 7|?
4
Fill in the blank: The operation of adding two natural numbers is _____ associative.
always
What is the definition of an integer?
An integer is a whole number that can be positive, negative, or zero.
Which of the following is not a natural number: 0, 1, -1, 2?
-1
What is the absolute value of -10?
10
True or False: The absolute value function is always non-negative.
True
What operation is performed when calculating |x + y|?
It calculates the absolute value of the sum of x and y.
Explain why |x| = x if x is a natural number.
Because natural numbers are non-negative, their absolute value is the same as the number itself.
If a = -3 and b = 4, what is |a + b|?
1
What is the range of natural numbers?
Natural numbers range from 1 to infinity.
Fill in the blank: The _____ of two natural numbers is the largest number that divides both of them.
greatest common divisor
What is the sum of the first five natural numbers?
15
True or False: Negative numbers are part of the set of natural numbers.
False
What is the absolute value of |5 - 3|?
2
If c = -8, what is |c| + 3?
11
What is the difference between integers and natural numbers?
Integers include negative numbers and zero, while natural numbers are only positive.
Fill in the blank: The operation of multiplication is _____ for natural numbers.
commutative