Unit 7: Exponents and scientific notation (K-A)

Lesson 12: Applications of arithmetic with powers of 10 (K-A)

Lesson 13: Definition of scientific notation (K-A)

Lesson 14: Multiplying, dividing, and estimating with scientific notation (K-A)

Lesson 4: Dividing powers of 10 (K-A)

Lesson 6: What about other bases? (K-A)

Lesson 8: Combining bases (K-A)