Math Number Sense Flashcards
(26 cards)
What is the definition of an integer?
An integer is a whole number that can be positive, negative, or zero.
True or False: Every even number is divisible by 2.
True
Fill in the blank: The sum of two odd numbers is ______.
even
What is the property of numbers that states the sum of any number and zero is the number itself?
Additive identity property
Which of the following is a prime number? (a) 4 (b) 7 (c) 9
b) 7
True or False: The product of two negative numbers is positive.
True
What is the definition of a rational number?
A rational number is any number that can be expressed as the quotient of two integers.
Fill in the blank: The distributive property states that a(b + c) = ______.
ab + ac
What is the additive inverse of -5?
5
Which property states that changing the grouping of numbers does not change their sum?
Associative property of addition
True or False: The number 0 is considered a natural number.
False
What is the result of any number raised to the power of zero?
1
Fill in the blank: The square of a number is that number ______.
multiplied by itself
Which of the following is an example of an irrational number? (a) 1/2 (b) √2 (c) 0.75
b) √2
What is the property of multiplication that states the product remains the same regardless of the order of the factors?
Commutative property of multiplication
True or False: The sum of two even numbers is odd.
False
What do we call a number that has exactly two distinct positive divisors?
Prime number
Fill in the blank: The multiplicative identity property states that any number multiplied by ______ is the number itself.
1
What is the absolute value of -10?
10
Which property allows us to multiply a sum by distributing the multiplication across each addend?
Distributive property
True or False: All prime numbers are odd.
False
What is the term for numbers that can be expressed as a fraction of two integers?
Rational numbers
Fill in the blank: The product of any number and one is the number ______.
itself
What is the result of adding a negative number to a positive number?
It depends on the values; the result can be positive, negative, or zero.
