Adding and Subtracting 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 subtraction?

Back

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

Front

What is the sum of 759 and 26?

Back

785

Front

What is the sum of 628,281 and 52,261?

Back

680,542

Front

What is 809 minus 68?

Back

741

Front

What is the sum of 354 and 29?

Back

383

Front

What is the sum of 821 and 4,543?

Back

5,364

Front

What is a whole number?

Back

A whole number is a number without fractions; it can be zero or any positive number.

Front

What does it mean to 'carry' in addition?

Back

Carrying is a process used in addition when the sum of a column exceeds 10, moving the extra value to the next column.

Front

What does it mean to 'borrow' in subtraction?

Back

Borrowing is a process used in subtraction when a digit in the top number is smaller than the digit below it, requiring a value to be taken from the next column.