Students learn to measure chance — from impossible (0) to certain (1) — by counting favorable outcomes over total outcomes, and compare the theoretical probability of an event with what actually happens when they test it.
Students will be able to…
What are the chances the spinner lands on red? How do we put a number on “likely” and “unlikely”?
Project this and spin. The theoretical probability of each color is shown — spin many times to see the experimental results get close to it.
Tap any phase to open the teacher moves and student actions.
How likely is red on this spinner — can we say a number?
Teacher models.
Class drives the Probability Spinner.
Students find probabilities.
One probability.
Aligned to the Common Core State Standards for Mathematics, including the Standards for Mathematical Practice.
Understand that probability is a number between 0 and 1 expressing likelihood.
Approximate the probability of an event by collecting data from a chance process.
Develop a probability model and use it to find probabilities of events.
Find probabilities of compound events.
Preview the three formative checks. Tap “Sample answer” to see what mastery looks like — hide them before you print for students.
Have students spin or roll many times, record results, and compare their experimental probability to the theoretical probability — they get closer with more trials. A printable trials sheet is in the Math library.
Tap a card to flip it, then rate whether you knew it. Built from this lesson’s vocabulary.
A quick self-check with instant feedback, drawn from this lesson’s key terms.
A print-and-go review sheet with a built-in answer key. Tap “Show answer key” to reveal answers, or print the clean version for students.