MA.912.DP.4.9

Apply the addition and multiplication rules for counting to solve mathematical and real-world problems, including problems involving probability.

Example Problems
How many unique ways are there to arrange the letters in the word BALLOON?
How many unique ways are there to arrange the letters in the word COMMITTEE?
How many numbers between 1 and 100 (inclusive) are divisible by 4 or 5?
Goblins

1-on-1 AI tutoring aligned to MA.912.DP.4.9. Instant help for students, real-time insights for teachers.

Used in classrooms by 100,000+ students at Baltimore County, Plano ISD, Deer Valley USD, KIPP, and districts nationwide.

Free for teachers, forever →