Adding and Subtracting Three-Digit 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 subtraction?

Back

Subtraction is the process of finding the difference between two numbers by taking one number away from another.

Front

What is a three-digit number?

Back

A three-digit number is a number that has three places, ranging from 100 to 999.

Front

What is the sum of 456 and 321?

Back

777

Front

What is the difference between 543 and 287?

Back

256

Front

What is the result of subtracting 567 from 890?

Back

323

Front

Subtract 654 from 987.

Back

333

Front

Calculate the sum of 789 and 234.

Back

1023

Front

What is carrying in addition?

Back

Carrying is a method used in addition when the sum of a column exceeds 9, moving the extra value to the next column.

Front

What is borrowing in subtraction?

Back

Borrowing is a method used in subtraction when the top number is smaller than the bottom number in a column, requiring a value to be borrowed from the next column.