Unit 1 Rounding, Adding and Subtracting 3 Digit Numbers

Front

What is rounding?

Back

Rounding is the process of adjusting a number to make it simpler and easier to work with, usually to the nearest ten, hundred, or thousand.

Front

What is addition?

Back

Addition is the mathematical operation of combining two or more numbers to get a total.

Front

What is subtraction?

Back

Subtraction is the mathematical operation of 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 423 and 170?

Back

593

Front

What is the sum of 825 and 357?

Back

1182

Front

If Ella has 329 chew toys and finds 99 more, how do you find the total?

Back

You add 329 and 99 together to find the total.

Front

What does it mean to find the total?

Back

Finding the total means calculating the overall amount after combining different quantities.

Front

What is the difference between addition and subtraction?

Back

Addition combines numbers to find a total, while subtraction removes a number from another to find what is left.

Front

What is the nearest hundred to 488?

Back

500