SME
Grade 8 Math
Scientific notation
The main lesson, then each kind of problem it solves.
Scientific notation
Main lesson
Which is bigger, and how many times
Use this for “Which is greater, 2.4 × 10⁷ or 6.5 × 10⁴, and about how many times?”
Multiply in scientific notation
Use this for “(3.1 × 10⁴) × (2 × 10⁶)”.
Add and subtract in scientific notation
Use this for “3.6 × 10⁵ + 2.9 × 10⁵” or “How much larger is 4.2 × 10⁸ than 7.5 × 10⁷?”
Powers of ten by name
Use this for “Match 1,000,000 to one million and to a power of ten.”