Multiplication Level 14: 3d x 1d (any). multi-digit window train. 1. Left edge584 times 71. Left edgeStart with the leftmost digit pair.584times7Active multiplication windowraw windows35raw -> 35 | _ | _Start with the leftmost digit pair.2. Slide windows2. Slide windowsMove one window at a time.584times7Active multiplication windowraw windows3556raw -> 35 | 56 | _Move one window at a time.3. Raw strip3. Raw stripHold the raw totals in order.584times7Active multiplication windowraw windows355628raw -> 35 | 56 | 28Hold the raw totals in order.4. Settle strip4. Settle stripSettle once.Keep ones; carry moves left.raw windows35 | 56 | 28settled strip40 | 8 | 8Final multiplication answerKeep 1s; extra carry moves left.
