102 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: Measurement Conversions (4.MD.A.1-2)
How the beat teaches it: Every slot converts between units — figure out the new count, then build that many quarter notes.
This is lesson 19 of 24 in RockBlocks Math, Grade 4, a free course where every lesson turns a math idea into something you can count, hear, and play. The previous lesson, “Comparing Decimals,” covered comparing Decimals (4.NF.C.7). Next is Lesson 20, “Area and Perimeter Word Problems.”
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.