When you are solving an addition calculation with a two-digit number, you need to think about tens and ones. A place value chart can help you to see the value of each digit in a number. For example, ...

Recognize numbers without counting and understand the place value of three-digit numbers. Ms. Knarr will teach the students of Teaching in Room 9 to recognize numbers without counting and understand ...

Even though the digit (3) is repeated, it has a different value each time depending on what column it is in. This understanding of place value is at the heart of everything we do with numbers. Without ...