OPERATIONS ON WHOLE NUMBERS

Front

What is rounding in mathematics?

Back

Rounding is the process of adjusting the digits of a number to make it simpler while keeping its value close to what it was. It often involves increasing or decreasing the number to the nearest specified place value (e.g., nearest ten, hundred).

Front

How do you round a number to the nearest hundred?

Back

To round a number to the nearest hundred, look at the digit in the tens place. If it is 5 or greater, round up; if it is less than 5, round down.

Front

What is a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

Front

Identify the prime numbers between 30 and 50.

Back

The prime numbers between 30 and 50 are 31, 37, 41, 43, and 47.

Front

How do you determine if a number is prime?

Back

To determine if a number is prime, check if it has any divisors other than 1 and itself. If it can be divided evenly by any other number, it is not prime.

Front

What is the sum of 89 and 21?

Back

The sum of 89 and 21 is 110.

Front

What is the result of the expression 89 + 21 - 15 - 14?

Back

The result of the expression is 81.

Front

What is the definition of a whole number?

Back

Whole numbers are non-negative integers, including 0, 1, 2, 3, and so on.

Front

What is the nearest ten to the number 432?

Back

The nearest ten to the number 432 is 430.

Front

What is the process of addition?

Back

Addition is the mathematical operation of combining two or more numbers to get a total or sum.