Title: Using Standard Form to Write Large Numbers
1 Using Standard Form to WriteLarge Numbers
2Indices of Ten
- What Ordinary Numbers Are These ?
2
100
10 10 10 10
3
1,000
4
10,000
5
100,000
3Indices 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
4Multiplying Multiples of Ten
100 x 2
200
1,000 x 3
3,000
10,000 x 7
70,000
100,000 x 9
900,000
5Multiplying 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
6Short 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
7Short 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
8What is the Ordinary Number?
7 x 10
2
700
9What is the Ordinary Number?
8 x 10
3
8,000
10What is the Ordinary Number?
9 x 10
4
90,000
11What is the Ordinary Number?
4 x 10
2
400
12What is the Standard Form?
2
5 x 10
500
13What is the Standard Form?
3
6 x 10
6,000
14What is the Standard Form?
4
9 x 10
90,000
15What is the Standard Form?
5
7 x 10
700,000