Class 8 Mathematics | Indices

Mathematics, Class 8

Indices

Base and index · Six laws · Simplifying practice

What we will be able to do

🔢

Name the base and the index in a power

➕

Use the laws for multiplying and dividing

0️⃣

Explain zero and negative indices

✍️

Simplify expressions with brackets

1 bacterium at the start

20 minutes: 2 = 2¹

40 minutes: 4 = 2²

60 minutes: 8 = 2³

100 minutes: 32 = 2⁵

120 minutes: 64 = 2⁶

The notes are free to read in full.

Presenter notes: Open by saying that today's lesson is about a short way of writing repeated multiplication, and the laws that go with it.