# 3 Act Math Tasks

## Organized by the Common Core States Standard (CCSS) Initiative

**Not Common Core? Go to Ontario Curriculum alignment**

# Grade 8

## 8.F.5

**Overall Expectation Description:**

## 8.F.5 – Grade 8 – Functions

Use functions to model relationships between quantities.

Describe qualitatively the functional relationship between two quantities by analyzing a graph (e.g., where the function is increasing or decreasing, linear or nonlinear). Sketch a graph that exhibits the qualitative features of a function that has been described verbally.

## Related 3 Act Math Tasks:

## Joulies

### Do you think Joulies will work as advertised?

**Shared By:**

Dan Meyer

**Math Topic:**

Use functions to model relationships between quantities.

**Common Core State Standard Alignment:**