Adding and Subtracting Three Digit Numbers

Front

What is the sum of 641 and 144?

Back

785

Front

What is the sum of 235 and 258?

Back

493

Front

What is the sum of 357 and 149?

Back

506

Front

What is the sum of 289 and 653?

Back

942

Front

What is the result of 578 minus 58?

Back

517

Front

What does it mean to add two numbers?

Back

To combine the values of the two numbers to get a total.

Front

What does it mean to subtract one number from another?

Back

To take away the value of one number from another to find the difference.

Front

What is a three-digit number?

Back

A number that has three digits, ranging from 100 to 999.

Front

How do you line up numbers when adding?

Back

Align the numbers by their rightmost digits (ones place) before adding.

Front

What is carrying in addition?

Back

When the sum of a column exceeds 10, you carry over the extra value to the next column.