Multidigit Addition and Subtraction

Front

What is the process of adding two or more numbers together called?

Back

Addition

Front

What is the process of finding the difference between two numbers called?

Back

Subtraction

Front

What is the sum of 947 and 856?

Back

1,803

Front

What is the result of subtracting 267 from 589?

Back

322

Front

How do you perform multidigit addition?

Back

Align the numbers by place value and add each column starting from the right.

Front

How do you perform multidigit subtraction?

Back

Align the numbers by place value and subtract each column starting from the right, borrowing if necessary.

Front

What is the sum of 45,009 and 3,008?

Back

48,017

Front

What is the result of 7,005 minus 3,126?

Back

3,879

Front

What is a common mistake when adding multidigit numbers?

Back

Forgetting to carry over when the sum of a column exceeds 9.

Front

What is a common mistake when subtracting multidigit numbers?

Back

Forgetting to borrow from the next column when the top digit is smaller than the bottom digit.