Place Value and Rounding Review

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

What is the standard form of a number?

Back

The standard form of a number is the way of writing numbers using digits. For example, the standard form of 'three thousand four hundred fifty-six' is 3,456.

Front

How do you write a number in word form?

Back

To write a number in word form, you express the number using words. For example, 1,234 is written as 'one thousand two hundred thirty-four'.

Front

What is expanded form?

Back

Expanded form is a way of writing a number that shows the value of each digit. For example, 345 in expanded form is 300 + 40 + 5.

Front

How do you round a number to the nearest ten?

Back

To round a number to the nearest ten, look at the digit in the ones place. If it is 5 or more, round up. If it is 4 or less, round down.

Front

What is the value of the digit 7 in the number 57,892?

Back

In the number 57,892, the digit 7 is in the thousands place, so its value is 7,000.

Front

How do you add two numbers together?

Back

To add two numbers, align them by place value and add each column starting from the right. Carry over if the sum exceeds 9.

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 the place value of 5 in the number 5,432?

Back

In the number 5,432, the digit 5 is in the thousands place, so its place value is 5,000.

Front

How do you find the total of multiple numbers?

Back

To find the total of multiple numbers, add them all together. For example, to find the total of 2, 3, and 5, you calculate 2 + 3 + 5 = 10.