Squares Level 6: 2d square (small digits). multiplication window train. 1. Left Edge23 squared equals 23 times itself1. Left EdgeHighlight the left edge pair and drop its raw digit.23times23Active multiplication windowraw windows4raw -> 4 | _ | _Highlight the left edge pair and drop its raw digit.2. Center Window2. Center WindowUse the full middle window.23times23Active multiplication windowraw windows412raw -> 4 | 12 | _Use the full middle window.3. Right Edge3. Right EdgeFinish with the right edge pair.23times23Active multiplication windowraw windows4129raw -> 4 | 12 | 9Finish with the right edge pair.4. Settle strip4. Settle stripSettle once.Keep ones; carry moves left.raw windows4 | 12 | 9settled strip5 | 2 | 9Final multiplication answer4 | 12 | 9 -> 529.
