Adding and Subtracting Three-Digit Numbers

Front

What is a three-digit number?

Back

A three-digit number is a number that has three places: hundreds, tens, and ones. For example, 185 is a three-digit number.

Front

What does the hundreds place represent in a three-digit number?

Back

The hundreds place represents how many groups of 100 are in the number. For example, in 582, the '5' is in the hundreds place, meaning there are 5 groups of 100.

Front

What does the tens place represent in a three-digit number?

Back

The tens place represents how many groups of 10 are in the number. For example, in 582, the '8' is in the tens place, meaning there are 8 groups of 10.

Front

What does the ones place represent in a three-digit number?

Back

The ones place represents how many single units are in the number. For example, in 582, the '2' is in the ones place, meaning there are 2 single units.

Front

How do you add two three-digit numbers?

Back

To add two three-digit numbers, align them by place value (hundreds, tens, ones) and add each column starting from the right, carrying over if needed.

Front

How do you subtract two three-digit numbers?

Back

To subtract two three-digit numbers, align them by place value and subtract each column starting from the right, borrowing if needed.

Front

What is the sum of 263 and 312?

Back

The sum of 263 and 312 is 575.

Front

What is 852 minus 232?

Back

852 minus 232 equals 620.

Front

If there are 323 coins and 125 are taken, how many are left?

Back

If 125 coins are taken from 323, there are 198 coins left.

Front

What is 742 minus 201?

Back

742 minus 201 equals 541.