2. An alternative method of division

3. Division with Remainder What does it mean to have a remainder?:

4. Mathematical language

5. Exploration 3.19 The Scaffolding Algorithm

6. The standard (familiar) division algorithm “gazinta” Do these division problems using the base 10 blocks. 295 ÷ 13 1425 ÷ 7

7. Now do the following problems with pictures of the blocks. Include explanations of your steps. 7505 ÷ 19 4953 ÷ 64

8. Mental Division Some are easier to do in our heads than others: 6000/30 How about 152 divided by 8?

9. Simplify

10. Rules for order of operations Pleaseparentheses from inside out excuseexponents my Dear multiplication and division from left to right Aunt Sally addition and subtraction from left to right

11. Rules for order of operations Why do we have the rules? Where did the rules come from?

12. Order of operations

13. For Thursday, March 12th 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.