Slide 1An alternative method of divisionDivision with RemainderMathematical languageExploration 3.19 The Scaffolding AlgorithmThe standard (familiar) division algorithmSlide 7Mental DivisionSimplifyRules for order of operationsSlide 11Order of operationsFor FridayDivision with manipulativesAn alternative method of divisionDivision with Remainder•What does it mean to have a remainder?:57527Mathematical languagebrrqbaWrqbWba 0,,)0(,,Exploration 3.19The Scaffolding Algorithm61451232658658The standard (familiar) division algorithm•“gazinta”•Do these division problems using the base 10 blocks.295 ÷ 131425 ÷ 7•Now do the following problems with pictures of the blocks. Include explanations of your steps.7505 ÷ 194953 ÷ 64Mental Division•Some are easier to do in our heads than others:6000/30•How about 152 divided by 8?Simplify1264 Rules for order of operations•Please parentheses from inside out•excuse exponents•my Dear multiplication anddivision from left to right•Aunt Sally addition and subtraction from left to rightRules for order of operations•Why do we have the rules?•Where did the rules come from?Order of operations3224 3610 For Friday•Finish pages 1 - 15 in your class notes packet. •This will count as a project grade, not a homework grade. •For each question, be sure to explain both how the student answered the question, and why the mathematics is appropriate.•The length of the answer is not what is important; it is the quality of the explanation.•You also have some reading and problems from the textbook on section 3.4.Division with
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