Squares Level 17: 3d square H:7-9 TU:1-6. multiplication window train. 1. Left Edge716 squared equals 716 times itself1. Left EdgeUse the highlighted left edge pair.716times7167x7492 pairs3 pairs2 pairs6x6Active multiplication train windowraw windowsraw -> 49 | _ | _ | _ | _Use the highlighted left edge pair. Carry waits for settle.2. Left Cross2. Left CrossAdd both highlighted pairs.716times7167x7492 pairs143 pairs2 pairs6x6Active multiplication train windowraw windowsraw -> 49 | 14 | _ | _ | _Add both highlighted pairs. Carry waits for settle.3. Center Stack3. Center StackAdd all 3 highlighted pairs.716times7167x7492 pairs143 pairs852 pairs6x6Active multiplication train windowraw windowsraw -> 49 | 14 | 85 | _ | _Add all 3 highlighted pairs. Carry waits for settle.4. Right Cross4. Right CrossAdd both highlighted pairs.716times7167x7492 pairs143 pairs852 pairs126x6Active multiplication train windowraw windowsraw -> 49 | 14 | 85 | 12 | _Add both highlighted pairs. Carry waits for settle.5. Right Edge5. Right EdgeUse the highlighted right edge pair.716times7167x7492 pairs143 pairs852 pairs126x636Active multiplication train windowraw windowsraw -> 49 | 14 | 85 | 12 | 36Use the highlighted right edge pair. Carry waits for settle.6. Settle strip6. Settle stripSettle once.Keep ones; carry moves left.raw windows49 | 14 | 85 | 12 | 36settled strip51 | 2 | 6 | 5 | 6Final multiplication answer49 | 14 | 85 | 12 | 36 -> 512656.