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Angie's Math Minutes Blog

- Fractions on the Number Line
- Generalizing Area of Polygons
- Area of Circles and Ellipses
- Studying Snow Density
- Explain Your Thinking
- Model Relationships
- What are the CORE Math Goals?
- A New Direction
- Compare the Goals
- Grouping While Counting
- Keep Trying!
- Why Delay Formulas?
- Visualize Counting Patterns
- Why Use Ruler Grids?
- Estimate Pi
- Welcome

# Fractions on the Number Line

Posted by Angie Seltzer on 5/30/2018 to K-5 Fractions

# Generalizing Area of Polygons

Posted by Angie Seltzer on 4/2/2018 to 6-8 Geometry

# Area of Circles and Ellipses

Posted by Angie Seltzer on 3/12/2018 to 6-8 Geometry

A ratio can help you find the area of any circle or ellipse.

# Studying Snow Density

Posted by Angie Seltzer on 2/13/2018 to 6-8 Ratios & Proportions

Snow can be an inspiration for a math activity on a snowy day.

# Explain Your Thinking

Posted by Angie Seltzer on 1/17/2018 to K-5 Math Habits

Are you giving kids lots of opportunities to explain math to each other?

# Model Relationships

Posted by Angie Seltzer on 11/18/2017 to K-5 Math Habits

Do your students know how to use drawings and models to solve problems?

# What are the CORE Math Goals?

Posted by Angie Seltzer on 8/29/2017 to Overview

How can you identify and communicate core math goals?

# A New Direction

Posted by Angie Seltzer on 6/21/2017 to Overview

What changes can you expect at the K-8 Math Sense website?

# Compare the Goals

Posted by Angie Seltzer on 9/8/2016 to Overview

How can you quickly compare goals across grades?

# Grouping While Counting

Posted by Angie Seltzer on 4/28/2016 to K-5 Base 10 Operations

Why should you encourage kids to group objects as they count them?

# Keep Trying!

Posted by Angie Seltzer on 4/19/2016 to K-5 Math Habits

Help kids learn to make sense of problems and persevere in solving them.

# Why Delay Formulas?

Posted by Angie Seltzer on 4/5/2016 to K-5 Measurement

Have your students gotten mixed up with area and perimeter formulas? If you delay formulas and focus on the meanings, students are more likely to succeed with area and perimeter.