place value

Front

What is place value?

Back

Place value is the value of a digit based on its position within a number.

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 the expanded form of a number?

Back

The expanded form of a number expresses it as the sum of the values of its digits. For example, 2,789 is expressed as 2,000 + 700 + 80 + 9.

Front

What are addends in addition?

Back

Addends are the numbers that are added together in an addition problem.

Front

How do you subtract two numbers?

Back

To subtract two numbers, take the second number away from the first number.

Front

What is the difference between a digit and a number?

Back

A digit is a single symbol used to represent numbers (0-9), while a number is a combination of digits that represents a value.

Front

What is rounding?

Back

Rounding is the process of adjusting the value of a number to make it simpler while keeping it close to the original value.

Front

What is the significance of the digit in the thousands place?

Back

The digit in the thousands place represents how many thousands are in the number, affecting its overall value.

Front

What does it mean to find a number between two others?

Back

Finding a number between two others means identifying a value that is greater than the first number and less than the second number.

Front

What is a number line?

Back

A number line is a visual representation of numbers placed at equal intervals along a straight line.