Addition Level 7: 2d + 2d (ones carry). answer-window addition. 1. Fill tens58 + 26Step 1: Fill tens58plus267raw windows5 + 2 = 7 then release 7running strip7Tens window: 5 + 2 = 7. Hold 7; wait for carry from the next window.2. Fill onesStep 2: Fill ones58plus26714raw windows8 + 6 = 14 then keep 4; carry waitsrunning strip74Ones window: 8 + 6 = 14. Hold raw 14; settle carry later.3. Settle carryStep 3: Settle carryKeep ones; carry moves left.raw windows7 | 14settled digits8 | 4answer 84Settle raw 7 | 14 into 84; keep ones and move carry left.
