Read, Write, and Rounding

Front

What is standard form in mathematics?

Back

Standard form is a way of writing numbers using digits, where each digit has a specific place value. For example, the standard form of 7,000 + 800 + 20 + 5 is 7,825.

Front

How do you convert a sum of numbers into standard form?

Back

To convert a sum of numbers into standard form, add the values together based on their place values. For example, 500 + 90 + 2 equals 592.

Front

What is the standard form of 1,000 + 300 + 90 + 9?

Back

The standard form of 1,000 + 300 + 90 + 9 is 1,399.

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest specified place value, such as the nearest ten, hundred, etc.

Front

How do you round the number 566 to the nearest ten?

Back

To round 566 to the nearest ten, look at the digit in the ones place (6). Since it is 5 or greater, round up to 570.

Front

What is the place value of the digit 3 in the number 2,340?

Back

In the number 2,340, the digit 3 is in the hundreds place, representing 300.

Front

How do you write the number 2,340 in words?

Back

The number 2,340 is written in words as 'two thousand, three hundred and forty'.

Front

What is the difference between standard form and expanded form?

Back

Standard form is a compact way of writing numbers, while expanded form breaks down the number into the sum of its place values. For example, 2,340 in expanded form is 2,000 + 300 + 40.

Front

What is the significance of place value in mathematics?

Back

Place value determines the value of a digit based on its position in a number, which is essential for understanding and performing arithmetic operations.

Front

How do you identify the nearest ten for a given number?

Back

To identify the nearest ten, look at the ones digit. If it is 5 or greater, round up; if it is less than 5, round down.