Standard form introduction

What you'll learn

1. 1

   Imagine a really big number like 300,000 — it's a pain to write all those zeros!

2. 2

   Which number is bigger: 5000 or 5 × 10³?

3. 3

   Drag the slider to see 3.2 × 10⁴ as a normal number.

4. 4

   Let's turn 450,000 into standard form together.

5. 5

   What is 7,200 in standard form?

6. 6

   Now you try — build 6.8 × 10⁴ as a normal number.

7. 7

   Which is 3.1 × 10⁶ written normally?