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αAπΣ∞∂θ√x²≠∫÷≤%+−½αβΔλφ³≈∑°
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Grade 7 · Unit 6~44 min2 topics · 3 videos

Probability

Probability tells you how likely something is to happen. You'll find the probability of simple events, compare theoretical and experimental probability, and calculate the probability of compound events.

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Unit menu

Unit 6: Probability

Your progress

0 of 2 done0%

On this page

  • Topics
  • Objectives & vocabulary
  • Extra practice

Unit menu

Unit 6: Probability

Your progress

0 of 2 done0%

On this page

  • Topics
  • Objectives & vocabulary
  • Extra practice
αAπΣ∞∂θ√x²≠∫÷≤%+½αβΔ
Work through these

Topics in this unit

Each topic is a short page: read the walkthrough, watch the video, try the practice, then take a quick quiz. Go in order or jump to what you need.

1
Simple Probability

Find how likely a single event is on a 0-to-1 scale.

  • 1 video
  • Practice
  • 2-question quiz
  • ~22 min
2
Compound Probability

Find the probability of two or more events happening together.

  • 2 videos
  • Practice
  • 2-question quiz
  • ~22 min
αAπΣ∞∂θ√x²≠∫÷≤%+½αβΔ
Goals

Learning objectives

By the end of this unit, you should be able to:

  • ✓Express the probability of an event as a number from 0 to 1.
  • ✓Find the probability of a simple event.
  • ✓Compare theoretical and experimental probability.
  • ✓Find the probability of compound events using lists, tables, and the multiplication idea.

Key vocabulary

Probability
A number from 0 (impossible) to 1 (certain) describing how likely an event is.
Outcome
A single possible result of a trial.
Theoretical probability
Favorable outcomes ÷ total possible outcomes.
Compound event
An event made of two or more simple events.
αAπΣ∞∂θ√x²≠∫÷≤%+½αβΔ
More practice

External resources

Hand-picked links from Khan Academy and trusted worksheet libraries.

Khan Academy

Probability practice

Open resource
Math Worksheets 4 Kids

Probability worksheets

Open resource
αAπΣ∞∂θ√x²≠∫÷≤%+½αβΔ
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