Using Standard Form to Write Large Numbers By www.2july.co.uk.

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Presentation transcript:

Using Standard Form to Write Large Numbers By

Indices of Ten What Ordinary Numbers Are These ? ,000 10, ,000

Indices of Ten Notice that the number of zeros matches the index number ,000 10, ,000

Multiplying Multiples of Ten Multiply These Numbers 100 x 2 = 1,000 x 3 = 10,000 x 7 = 100,000 x 9 = 200 3,000 70, ,000

Multiplying Multiples of Ten Did you notice that all you have to do is multiply 1 x whole number & add the zeros behind? 100 x 2 = 1,000 x 3 = 10,000 x 7 = 100,000 x 9 = 200 3,000 70, ,000

Short Cut for Writing Large Numbers Combine these two steps for writing large numbers. 6 x 10 2 = 6 x (10 x 10) = 6 x 100 =

Short Cut for Writing Large NumbersRemember! The index is the same as the number of zeros when using base x 10 2 = 600

What is the Ordinary Number? 7 x 10 2 = 700

What is the Ordinary Number? 8 x 10 3 = 8,000

What is the Ordinary Number? 9 x 10 4 = 90,000

What is the Ordinary Number? 4 x 10 2 = 400

What is the Standard Form? 5 x 10 2 = 500

What is the Standard Form? 6 x 10 3 = 6,000

What is the Standard Form? 9 x 10 4 = 90,000

What is the Standard Form? 7 x 10 5 = 700,000