## How much is that?

## Mathematics, Grade 9

MTH1W1 (Grade 9 De-streamed)

## Measurement Calculations in Two Dimensions

## Concepts

- perimeter/circumference and area

## Teacher Resources

## Other Resources and Links

## Sides of Right Triangles (The Pythagorean Theorem)

## Concepts

- side-length relationship for right triangles
- solving problems using the side-length relationship for right triangles
- origins of the “Pythagorean Theorem”

## Teacher Resources

## Angle Relationships

## Concepts

- angle relationships involving polygons
- angle relationships involving parallel and intersecting lines

## Teacher Resources

## Other Resources and Links

## Triangle and Circle Geometry

## Concepts

- properties of triangles
- properties of circles
- geometric relationships in design

## Teacher Resources

## Other Resources and Links

## Volume Relationships

## Concepts

- review of meaning of volume
- calculating and comparing volumes
- relationship between volumes of prisms and pyramids
- relationship between volumes of cylinders and cones

## Other Resources and Links

## Measurement Calculations in THree Dimensions

## Concepts

- volume, surface area, perimeter/circumference, and area

## Teacher Resources

## Other Resources and Links

## Effects of Changing Dimensions

## Concepts

- effect of changing one or more dimensions on perimeter/circumference, area, surface area, and volume

## Teacher Resources

## Other Resources and Links

## Proportional Relationships and Conversions

## Concepts

- solving problems involving proportional relationships
- using and comparing different measurement systems (metric, imperial, etc.)
- converting within a measurement system and between measurement systems
- conditions for a linear relation to be proportional

## Teacher Resources

## Other Resources and Links

## Coding - Part 4

## Concepts

*if*statements*if…else*statements- nested
*if…else*statements *if…else if…else*statements