Common Core
S-CP.B.9
3 lessons teach this standard. Every lesson is interactive, and every one prints as a worksheet with a separate answer key.
Algebra 2 · Chapter 8 · Lesson 3
Does the order change the answer?
Probability and Statistics · Chapter 5 · Lesson 1
Count without listing.
Integrated Math 2 · Chapter 8 · Lesson 3
Counting outcomes, and using probability to decide.