A free, ready-to-teach Grade 8 math lesson. The foundation lesson of the full Grade 8 The Number System unit. Use it tomorrow, see if it works for your class, then decide if you want the rest.

This is Lesson 1 of 12 from the full unit. Not a stripped-down sample — the same lesson that's in the paid product. Editable PowerPoint with full speaker notes, student worksheet with answer key, exit ticket with answer key, and quick-start README.

Grounded in the Class Tile Mosaic Project scenario that runs through all 12 lessons of the unit. Students see math in context, not isolation.

Built by a working classroom teacher. Pace-tested with real students.

WHAT'S INSIDE

- Editable PowerPoint slide deck (10 slides, full speaker notes)

- PDF copy of the slides (read-only)

- Student worksheet with answer key

- Exit ticket with answer key

- Quick-start README

WHAT STUDENTS LEARN

Students will know that numbers that are not rational are called irrational and understand informally that every number has a decimal expansion.

Aligned to CCSS 8.NS.A.1.

IF YOU LOVE THIS LESSON

- Full Grade 8 8.NS Complete Unit: $22.00 — 12 lessons, anchor charts, summative task, pacing guide, rubric

- Grade 8 Math MEGA Bundle: $84.99 — all 5 Grade 8 units, every CCSS strand

- Grades 3-8 ULTRA Bundle: $219.99 — all 30 units, Grades 3 through 8

Available at teacherspayteachers.com/store/deskmade

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