Using the hundreds chart to build number sense

1. Using the hundreds chart to build number sense Presented by Margaret Adams and Paula Jones

2. Objectives and agenda • Participants will learn lessons and games using the hundreds chart to build number sense. • Today will be divided into two categories: lessons and games.

3. What is a hundreds chart? • A 10-by-10 grid with the numbers 1 to 100 printed in the squares.

4. Why use a hundreds chart? • Provide a framework for students to think about our base ten system. • Allows students to build a mental model of the mathematical structure of our number system. • Allows children to explore concepts from counting to adding two-digit numbers. • Gives the opportunity to bring in several Mathematical Practices.

5. Your turn! • Take a moment to make a list of all the ways you currently use the hundreds chart in your classroom. • Turn and talk to a partner about what you currently do in your classroom.

6. Progression Documents • Where/what to do with this???????

7. Lessons using the hundreds chart • Why these lessons? • Three parts of a Lesson • Introduce • Explore • Summarize

8. Lessons using the hundreds chart • What is my role as teacher in these lessons? • At every stage, your role is active! • Give directions clearly and concisely during the lesson introduction. • Use they “Key Questions” for each lesson to probe students’ thinking. • Refrain from telling students’ the answer! • At the end of the lesson, facilitate a discussion and a share out.

9. 10 Lessons

10. Let’s try a few! • In your packet for each lesson, let’s look at: • Overview • Key Questions • Time • Materials

11. Games using the hundreds chart • Why these games? • When? • Materials you will need.

12. Games using the hundreds chart • The importance of modeling. • Wait patiently for your turn • How to pass game pieces appropriately to your partner • How to win or lose gracefully • Using recording sheets (accountability piece)

13. 10 Games

14. Let’s Play! • In your packet for each game, let’s look at: • Overview • Key Questions • Time • Materials

15. Other resources • Hundreds Charts packet • Websites or other books??????