4th Grade Math - Place Value and Rounding

Front

What is place value?

Back

Place value is the value of a digit based on its position in a number. For example, in the number 345, the 3 is in the hundreds place, so its value is 300.

Front

How do you compare two numbers?

Back

To compare two numbers, look at the digits from left to right. The number with the larger digit in the highest place value is greater.

Front

What symbol is used to show that one number is less than another?

Back

The symbol '<' is used to show that one number is less than another.

Front

What symbol is used to show that one number is greater than another?

Back

The symbol '>' is used to show that one number is greater than another.

Front

What is rounding?

Back

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

Front

How do you round a number to the nearest ten?

Back

To round to the nearest ten, look at the digit in the ones place. If it is 5 or more, round up. If it is less than 5, round down.

Front

What is the nearest ten thousand to 45,158?

Back

The nearest ten thousand to 45,158 is 50,000.

Front

What is the missing value in the equation: 20,000 + 7 + 100,000 + ___ + 90 + 200 = 128,297?

Back

The missing value is 8,000.

Front

What does the term 'hundreds' mean in place value?

Back

In place value, 'hundreds' refers to the third position from the right in a number, where each digit represents a value of 100.

Front

What does the term 'thousands' mean in place value?

Back

In place value, 'thousands' refers to the fourth position from the right in a number, where each digit represents a value of 1,000.