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 ...

To multiply by 1,000, each digit moves three places to the left. Eg, units become thousands. Note: units are often referred to as ones. For example, 34 has 3 tens and 4 units, or we could say 34 has 3 ...