- National Library of Virtual Mathematics -- you've got to see it, to believe it. NLVM

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Calendars

### VA DOE Math Resources

### Professional Development Opportunities for Mathematics

- Illuminations -- NCTM
- Lessons for Project Interactive
- A Problem Solving Rubric
- Math Archives is an extensive collection of activities and software for teachers.

## Patterns for Algebraic Thinking |

- Number Cruncher -- Students can easily see patterns, using a two-column table and when they know the machine's rule, they can type it in and check their answer.
- Function Machine -- Students must create their own tables to record inputs and output.
- Shape Pan Balance -- uses a balance scale to compare the weights of different shapes.
- Patterns in Math: People Patterns -- See if you can extend the row of smartly dressed people -- chose your level of play. Then have students share the reasoning process.

### Estimation

- What a Crowd! practice estimation skills.
- Estimator Four uses interactive games to practice estimation.
- Estimator from the Shodor Foundation for online math tools.
- Comparison Estimator from the Shodor Foundation to compare geometric figures.
- More or Less Estimator

*Office of Mathematics Education*

Elementary Math Specialist |
Secondary Math Specialist |

Melanie Jenkins |
Stefan Mygas |

804-693-0351 | 804-693-1132 |

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