# Mathematics Support

Math 7 | Unit 1 2 3 4 5 6 7 8 9

# Family Materials

## Math 7

These short summary videos and resources will give you a brief overview of the lessons that students participate in during class and help you to understand how the concepts are taught.  The video Lesson summaries highlight key points and vocabulary that students learn across several lessons. This supports students for checking their understanding and reviewing important concepts and vocabulary.  Videos can also be viewed with children as a review of concepts covered in class.

Scaled Copies

Scale Drawings

### Measuring Circles

Circumference of a Circle

Area of a Circle

### Expressions and Equations

Proportional Relationships with Fractions

Percent Increase and Decrease

Applying Percentages

### Rational Number Arithmetic

Multiplying and Dividing Rational Numbers

Four Operations with Rational Numbers

### Angles, Triangles, and Prisms

Angle Relationships

Drawing Polygons with Given Conditions

Solid Geometry

### Probability and Sampling

Probabilities of Single Step Events

Probabilities of Multi-step Events

Sampling

Using Samples

### Putting it All Together

IM 6–8 Math was originally developed by Open Up Resources and authored by Illustrative Mathematics, and is copyright 2017-2019 by Open Up Resources. It is licensed under the Creative Commons Attribution 4.0 International License (CC BY 4.0). OUR's 6–8 Math Curriculum is available at https://openupresources.org/math-curriculum/.

# Family Math Support

Disclaimer: This site provides external links and videos as a convenience and for informational purposes only. The appearance of external hyperlinks on the MCPS Family Mathematics Support Center website does not constitute an endorsement by the Montgomery County Public School System of any of the products or opinions contained therein.