1. Homework: Maintenance Sheet Due Friday 
297 ft3

2. Perfect Squares and Cubes

3. 2 minute talks
x 10-5 = Explain what I did wrong and correct the error x 105 = 5,200, ,924 = x 105

4. Learning Target: EE3 Scientific Notation
MSE8.EE.1 Know and apply the properties of integer exponents to generate equivalent numerical expressions. For example, 32 × 3(–5) = 3(–3)
MSE8.EE.3 Use numbers expressed in the form of a single digit times an integer power of 10 to estimate very large or very small quantities, and to express how many times as much one is than the other. For example, estimate the population of the United States as 3 × 108 and the population of the world as 7 × 109, and determine that the world population is more than 20 times larger.
I can represent very small and large numbers using integer exponents and scientific notation?

5. Estimating Length Using Scientific Notation
Pre-Assessment Error Analysis (based on the Pre-test)
In your group “discuss” the following common issue questions (3-5 minutes)
Scientific to decimal notation
What does 10-1 mean?
How can you check your answer is correct?
What is scientific Notation
Have any of these numbers been written in scientific notation? Explain why or why not.
20 x 10-2
0.6 x 104
5 x 103

6. Estimating Length Using Scientific Notation
Pre-Assessment Error Analysis (based on the Pre-test)
In your group “discuss” the following common issue questions (3-5 minutes)
Effects of negative exponents
In scientific notation, which has a bigger effect on the size of a number, the coefficients or the exponent? Explain?
Is 104 bigger than 10-4?
Size Rankings
How do you know which measurement is the smallest or biggest?
.04 .4

7. Using your white board or remote: Which number is Bigger?
30,000 × 10−1 B
3 × 103 C
0.3 × 104
Why did you choose that expression?

8. Reasoning/Did you know????
Which expression did you use to work out the number?
Did you check all three expressions?
These expressions all represent the same number.
What number is that?
3000
How can you justify that all three expressions are the same?

9. Which of these three are written in scientific notation
Which of these three are written in scientific notation? How do you know? A
30,000 × 10−1 B
3 × 103 C
0.3 × 104

10. Using your white board: Which number is greater?
8 × 10−3 B
4 × 10−1

11. Pair up with another students who has the same answer as you?
8 × 10−3
4 × 10−1
Now discuss with your partner, how much greater your chosen number is than the other number?

12. Learning Target: EE3 Scientific Notation
I can represent very small and large numbers using integer exponents and scientific notation?

13. Learning Target: EE3 Scientific Notation
I can represent very small and large numbers using integer exponents and scientific notation?