Exploring Powers of 10 and Expanded Form

What is the learning target of today's lesson?

• I can use powers of 10 to write numbers in expanded form.

• I can multiply and divide using powers of 10.

• I can convert fractions to decimals.

• I can add and subtract large numbers.

What is 100,000 written in exponential form?

• 10^6

• 10^5

• 10^3

• 10^4

How would you write 9,000 in expanded form using powers of 10?

• 9 x 10^2

• 9 x 10^3

• 9 x 10^4

• 9 x 10^5

What is the exponential form of 100?

• 10^3

• 10^2

• 10^4

• 10^1

How many groups of 10 are there in 50?

• 3

• 4

• 5

• 6

What is the pattern in the number of zeros for powers of 10?

• The number of zeros is double the exponent.

• The number of zeros is one more than the exponent.

• The number of zeros is one less than the exponent.

• The number of zeros is equal to the exponent.

How would you write 20,000 in expanded form using powers of 10?

• 2 x 10^6

• 2 x 10^5

• 2 x 10^4

• 2 x 10^3

What is the exponential form of 1,000?

• 10^1

• 10^2

• 10^3

• 10^4

How would you write 400,000 in expanded form using powers of 10?

• 4 x 10^5

• 4 x 10^6

• 4 x 10^4

• 4 x 10^3

What is the exponential form of 10?

• 10^3

• 10^2

• 10^1

• 10^0