160 likes | 445 Views
Using Standard Form to Write Large Numbers. By www.2july.co.uk. Indices of Ten. What Ordinary Numbers Are These ?. 2. 100. 10 10 10 10. 3. 1,000. 4. 10,000. 5. 100,000. Indices of Ten. Notice that the number of zeros matches the index number. 2. 1 00. 10 10 10 10. 3.
E N D
Using Standard Form to WriteLarge Numbers By www.2july.co.uk
Indices of Ten What Ordinary Numbers Are These ? 2 100 10 10 10 10 3 1,000 4 10,000 5 100,000
Indices of Ten Notice that the number of zeros matches the index number 2 100 10 10 10 10 3 1,000 4 10,000 5 100,000
Multiplying Multiples of Ten Multiply These Numbers 100 x 2 = 200 1,000 x 3 = 3,000 10,000 x 7 = 70,000 100,000 x 9 = 900,000
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 = 200 1,000 x 3 = 3,000 10,000 x 7 = 70,000 100,000 x 9 = 900,000
Short Cut for Writing Large Numbers Combine these two steps for writing large numbers. 6 x 10 2 600 = 6 x (10 x 10) = 6 x 100 = 600
Short Cut for Writing Large Numbers Remember! The index is the same as the number of zeros when using base 10. 2 6 x 10 600 =
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? 2 500 5 x 10 =
What is the Standard Form? 3 6,000 6 x 10 =
What is the Standard Form? 4 90,000 9 x 10 =
What is the Standard Form? 5 700,000 7 x 10 =