Key learning points

1. We use commas to separate the thousands from the ones and the millions from the thousands.
2. Grouping the digits in threes helps to read numbers.
3. Grouping the digits in threes helps to write numbers.

Keywords

• Comma - A comma is a punctuation mark used to indicate a break in a sentence. It looks like this ,

• Factor - Factors are two or more numbers that we can multiply together to create a product.

• Multiple - A multiple is the result of multiplying a number by another whole number.

Common misconception