130 BPM
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4/4 ×2
Drag rhythmic values into up to 8 beat blocks per line to build a drum groove, or click a tile then click a block to place it — handy on a trackpad.
Math skill: Find the Slope Between Two Points (F-IF.B.6)
How the beat teaches it: Every slot gives two points on a line — find the rise (change in y) and the run (change in x), then build a crash cymbal row for the rise and a ride cymbal row for the run.
This is lesson 9 of 24 in RockBlocks Math, Grade 9, a free course where every lesson turns a math idea into something you can count, hear, and play. The previous lesson, “Multi-Step Equations with Variables on Both Sides,” covered solve Equations with the Variable on Both Sides (A-REI.A.1). Next is Lesson 10, “Slope-Intercept Form — Graphing Lines.”
Every slot above (A, B, C, D) is its own question, and it’s a real, blank RockBlocks beat the whole time — the same drag-and-drop tiles, kit, tempo, sheet music, and drummer view as anywhere else on the site. Tap ❓ Questionin the corner to read the current slot’s problem, build your answer right in the grid, then tap ✓ Check Answerto grade it. Once you’re done, keep going: expand the beat, drop it into a Stack, or save a copy to your own page — nothing here overwrites the lesson itself, so every visitor still starts from the same blank slots.