Operations With Signed Rational Numbers Test #1 Flashcards
(85 cards)
What is a signed number?
A signed number is a number that has a positive or negative sign.
True or False: The sum of two negative numbers is positive.
False.
What is the result of -3 + 5?
2.
Fill in the blank: The product of a positive number and a negative number is ______.
negative.
What is the absolute value of -7?
7.
Calculate: -12 - 4.
-16.
True or False: Adding zero to any number changes the value of the number.
False.
What is the result of 5 - (-3)?
8.
What is a rational number?
A rational number is any number that can be expressed as a fraction or ratio of two integers.
Calculate: -3 ร -4.
12.
What is the sum of -1/2 and 1/4?
-1/4.
What happens when you divide a negative number by a positive number?
The result is negative.
True or False: The product of two negative numbers is positive.
True.
Calculate: 2/3 + 1/6.
5/6.
Fill in the blank: The difference between a number and its opposite is ______.
twice the number.
What is the result of -5 + (-7)?
-12.
Calculate: -8 รท 2.
-4.
What is the result of 0 - (-9)?
9.
True or False: Every integer is a rational number.
True.
What is -3/4 + 1/2?
-1/4.
Calculate: -10 + 3.
-7.
What is the absolute value of 5?
5.
Fill in the blank: The sum of a number and its additive inverse is ______.
zero.
What is the result of -2 ร 6?
-12.