Number Sense & Operations Flashcard Deck

Question 1

What is a prime number?

Accepted Answer

A number greater than 1 that has no positive divisors other than 1 and itself

Question 2

What is the order of operations?

Accepted Answer

PEMDAS: Parentheses, Exponents, Multiplication/Division, Addition/Subtraction

Question 3

What is the difference between a rational and irrational number?

Accepted Answer

Rational can be expressed as a fraction, irrational cannot

Question 4

What is place value?

Accepted Answer

The value of a digit based on its position in a number

Question 5

What is the greatest common factor (GCF)?

Accepted Answer

The largest number that divides two or more numbers evenly

Question 6

What is the least common multiple (LCM)?

Accepted Answer

The smallest number that is a multiple of two or more numbers

Question 7

What is an integer?

Accepted Answer

Whole numbers and their negatives (..., -2, -1, 0, 1, 2, ...)

Question 8

What is absolute value?

Accepted Answer

The distance of a number from zero on a number line

Question 9

Convert \frac{3}{4} to a decimal

Accepted Answer

0.75

Question 10

What is 25\% as a fraction?

Accepted Answer

\frac{1}{4}

Number Sense & Operations