1. Division in Base 6 Find the following quotients:

2. Division using manipulatives Use the base 5 blocks to find: 412 5 ÷ 3 5 2143 5 ÷ 12 5

3. Exploration 3.20 “gazinta”

4. Exploration 3.20 Use the base 10 blocks to work the problems Write an explanation of how and why for each step. Describe what you do with the manipulatives and in mathematical terms.

5. Division with remainders Meaning ContextExploration 3.18 Calculators

6. Exploration 3.18 1. Do by yourself, then discuss with your group. 2. –a.

7. Exploration 3.18 b. c. d.

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

9. Terminology b ÷ n=a iff a∙n=b b is the dividend n is the divisor a is the quotient a and n are the factors of b and b is a multiple of a and n.

10. Exploration 3.19 Read the description of the scaffolding algorithm Part 1a. Compute the following-try it yourself, then check your work with a partner.

11. Exploration 3.19 The Scaffolding Algorithm