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MathBeasts · course-aligned support

Math Workshop

Demo/test data only. Diagnostic recommendations and demonstrated practice mastery are local sample evidence, not real student grades.

STAT 101 · Course unit

Probability: assemble an event model

Calculate probabilities from a finite sample space.

Practice in MathBeasts (opens the existing external demo in a new tab)

Opens the existing MathBeasts demo in a new tab. Launched separately — activity there is not synced back and never affects sample progress or grades here.

  1. 01 Course challenge
  2. 02 Diagnostic
  3. 03 Targeted repair
  4. 04 Mastery & return

Fractions repair bench

Use a common denominator for addition; multiply numerators and denominators for products.

Worked example

1/3 + 1/6 = 2/6 + 1/6 = 3/6 = 1/2.

Two correct guided practice answers unlock two new transfer checks.

Calculate 1/3 + 1/6.

Calculate 3/5 × 5/6.

Unit prerequisite tools

  • Fractions

    required

    Not tested yet

  • Ratios and unit rates

    diagnostic-recommended

    Not tested yet

  • Percentages

    on-demand

    Available whenever needed

Return to STAT 101