Subtraction Level 16: 3d - 3d (no borrow). visible-place subtraction. 1. Release hundreds864 - 2311. Release hundredsRead one place; drop one digit.864minus2318 - 2 = 6answer strip68 - 2 = 6; drop 6.2. Release tens2. Release tens864minus2316 - 3 = 3answer strip636 - 3 = 3; drop 3.3. Release ones3. Release ones864minus2314 - 1 = 3answer strip6334 - 1 = 3; drop 3.4. Read answer4. Read answerDrop finished digits; read the answer.6 | 3 | 3 -> 633answer 633Read 6 | 3 | 3 as 633.
