Addition and Subtraction Review

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 4,907 and 3,156?

Back

8,063

Front

What is the result of 81,412 + 3,489?

Back

84,901

Front

What is the sum of 55,012 and 32,983?

Back

87,995

Front

What is 4,876 - 1,382?

Back

3,494

Front

What is 431,925 - 204,815?

Back

227,110

Front

What does it mean to 'carry' 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 does it mean to 'borrow' in subtraction?

Back

Borrowing is a method 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.

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.