Using Exponents to Write Large Numbers

1
Using Exponents to WriteLarge Numbers

• By Monica Yuskaitis

2
For Learning to Happen!

• Clear your desk of anything that may
• distract you.
• Remove all other thoughts from your
• mind.
• Pay close attention.
• Try all the examples.
• Ignore all other distractions.

3
Exponents of Ten

• What Is the Standard Form
• of These Tens?

2
100
10 10 10 10
3
1,000
4
10,000
5
100,000
4
Exponents of Ten

• Notice that the number of zeros
• matches the exponent number

2
100
10 10 10 10
3
1,000
4
10,000
5
100,000
5
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
6
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
7
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
8
Short Cut for Writing Large Numbers

• Remember!
• The exponent is the same as the number of zeros.

2
6 x 10
600

9
What is the Standard Number?
7 x 10
2
700

10
What is the Standard Number?
8 x 10
3
8,000

11
What is the Standard Number?
9 x 10
4
90,000

12
What is the Standard Number?
4 x 10
2
400

13
What is the Exponent Form?
2
5 x 10
500

14
What is the Exponent Form?
3
6 x 10
6,000

15
What is the Exponent Form?
4
9 x 10
90,000

16
What is the Exponent Form?
5
7 x 10
700,000