Mrs. Oldknow

Hi, I am Mrs. Oldknow. Join me in making math and teaching lighter, one bite sized lesson at a time.

👍 I get how busy teaching can be, so I make bite-sized interactive math lessons that teachers can grab and use right away.

Showing 12 Lessons

Sort by:

Showing 12 Lessons

Learn how to read a graph and identify its domain and range using simple visual cues.

A 10-lesson interactive bundle covering essential set concepts. Perfect for quick practice, review, or classroom reinforcement.

A simple guide to building ordered pairs from two sets, writing A×B, and counting its elements.

A self-check three-set inclusion–exclusion problem with a worked Venn solution to find how many watch none.

$Two-Set Word Problem: Math & Science Survey (Guided Practice) | Interactive Teaching Resource for Teachers$

A quick self-check problem on two-set inclusion–exclusion with a worked Venn-diagram solution. Great for warm-ups or exit tickets.

A seven-problem lab where students practice set operations and check their work with quick silent solution videos.

Understand set difference and complements with simple examples and quick practice.

A visual intro to how sets relate: subsets, unions, intersections, and differences, using clear diagrams and quick checks.

A quick guide to describing sets using rules, introducing how to read and write set-builder notation.

Learn the difference between equal sets and equivalent sets, and practice identifying each one.

Learn membership, the empty set, and how to count elements in a set.

A beginner-friendly introduction to sets, set notation, and the five major number sets.