Modules 3 & 4 Operations with Integers & Rational Numbers Flashcards
What is an integer?
An integer is a whole number that can be positive, negative, or zero.
True or False: -3 is an integer.
True
Fill in the blank: The set of integers includes _____ and negative numbers.
positive
What is a rational number?
A rational number is a number that can be expressed as a fraction or ratio of two integers.
Which of the following is a rational number? (A) √2 (B) -1.5 (C) π
-1.5
True or False: All integers are rational numbers.
True
What is the sum of -4 and 7?
3
What is the result of subtracting -5 from 3?
8
Fill in the blank: The product of a positive integer and a negative integer is _____ .
negative
What is the absolute value of -12?
12
True or False: The absolute value of a number is always positive.
True
What is the quotient of -15 and 3?
-5
Which of the following is an example of a rational number? (A) 0.75 (B) √9 (C) -2
All of the above
What is the result of 5 + (-8)?
-3
Fill in the blank: The number 0 is considered _____ .
an integer
What do you get when you multiply -6 by -4?
24
True or False: The sum of two negative integers is positive.
False
What is the difference between -10 and 4?
-14
Fill in the blank: The set of rational numbers includes integers, fractions, and _____ .
decimals
What is the result of -7 - (-3)?
-4
Which of the following is NOT an integer? (A) -1 (B) 0 (C) 2.5
2.5
What is the sum of 2/3 and 1/3?
1
True or False: 1/2 is a rational number.
True
What is the product of -2 and 3?
-6
