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 100 and 200?

Back

300

Front

What is the difference between 500 and 200?

Back

300

Front

How do you add 345 and 278?

Back

Align the numbers by place value and add each column: 345 + 278 = 623.

Front

How do you subtract 543 from 876?

Back

Align the numbers by place value and subtract each column: 876 - 543 = 333.

Front

What is regrouping in addition?

Back

Regrouping is when you carry over a value to the next column when the sum exceeds 9.

Front

What is regrouping in subtraction?

Back

Regrouping is when you borrow from the next column when the top number is smaller than the bottom number.

Front

What is the result of adding 567 and 432?

Back

999