The Are You Certain? Probability Worksheet gives 3rd graders playful, real-world practice deciding whether everyday events are certain, likely, possible, unlikely, or impossible. Includes a complete answer key for fast, no-prep probability review.

This Heads or Tails Probability Worksheet has 3rd graders predict, flip a coin ten times, and tally the results, then explain why each flip is equally likely. Answer key included.