Saxon Course 2 Lesson 5

Lesson 5

• Place Value Through Hundred Trillions

• Reading and Writing Whole Numbers

​Whole Number Place Values

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​decimal

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​Expanded Notation

Writing Whole Numbers

​Example 1: 20,000,510,000,000

twenty trillion, five hundred and ten million

​Example 2: 3,406,521

three million, four hundred six thousand, five hundred twenty-one

​We never say "and" when writing or reading whole numbers!

​Daily Challenge #5
Use words to write 40302010. Hint: start by adding commas to the number. (You can look back at the place value chart for help) DO NOT USE THE WORD "AND" IN YOUR ANSWER.

​Still confused about the lesson? Here's the whole thing on Youtube: