2-3 Adding Whole Numbers

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Front

What is a whole number?

Back

Whole numbers are non-negative numbers without fractions or decimals, including zero (0, 1, 2, 3, ...).

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, or thousand.

Front

What is the nearest thousand to 12,690?

Back

13,000

Front

What is the nearest hundred to 3,456?

Back

3,500

Front

What is the sum of 264 and 41?

Back

305

Front

What is the sum of 500 and 350?

Back

850

Front

How do you add two whole numbers?

Back

To add two whole numbers, align them by place value and add each column starting from the right.

Front

What is a place value?

Back

Place value is the value of a digit based on its position in a number, such as units, tens, hundreds, etc.

Front

What is the sum of 100 and 200?

Back

300