Thoughtfully crafted. Ready to teach. Sandbox checkout · No real payments
Fictional high school students exploring Change the Denominator

Look inside

Preview 1 of 2
Change the Denominator preview page 1

Two selected pages. The full package includes student responses and the answer key.

Mathematics · Task cards

Change the Denominator

Calculate conditional probabilities and test independence from a two-way table. Use supplied fictional data in a four-page package.

Grade 1140 minutes4-page PDF
$4 USD

Sandbox checkout only. No real payments.

Mix and match: any 4 for $12 or any 6 for $16 ↗

Learning target

Calculate conditional probabilities and test independence from a two-way table.

Inside the package

  • Teacher guide with a 40-minute sequence
  • Vocabulary grid and self-contained reference materials
  • Four responses with full-width answer lines
  • Worked answer key and 12-point scoring guide

Before you begin

Fractions, percentages, and two-way tables.

STEM enrichment / Mathematics. Check fit for your learners; grade guidance is not a full course or verified standards crosswalk.

Open the two-page PDF preview ↗

Offline activity · Original fictional examples · No student AI account required

License, downloads, and support

One teacher, tutor, or homeschool household may use this resource with their own students. No resale or public sharing. Full files are released only after payment verification. Read download and refund details.

More to explore.

Browse Mathematics ↗

Your teaching toolkit

Adult purchaser details

No student information, please. Leaving the box selected enrolls eligible US purchasers after payment. Outside the US, actively select the box to join. Prior unsubscribes remain in effect. Privacy and newsletter choices.

Prices are in USD. Applicable taxes are calculated at checkout. One teacher, tutor, or homeschool household per purchase. License and refund details.

Your lesson downloads

Refine lessons