# 3 Act Math Tasks

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

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

# Geometry

## G-GMD.4

**Overall Expectation Description:**

G-GMD.4 – High School Geometry – Geometric Measurement & Dimension

Visualize relationships between two-dimensional and three-dimensional objects.Identify the shapes of two-dimensional cross-sections of three-dimensional objects, and identify three-dimensional objects generated by rotations of two-dimensional objects.

## Related 3 Act Math Tasks:

## Water Tank

### How long will it take to fill up the water tank?

**Shared By:**

Dan Meyer

**Math Topic:**

Explain volume formulas and use them to solve problems. Visualize relationships between two-dimensional and three-dimensional objects.

**Common Core State Standard Alignment:**

## Best Square

### Who do you think did the best job drawing a square?

**Shared By:**

Dan Meyer

**Math Topic:**

Use coordinates to prove simple geometric theorems algebraically.

**Common Core State Standard Alignment:**

## Best Circle

### Who do you think did the best job drawing a circle?

**Shared By:**

**Math Topic:**

Use coordinates to prove simple geometric theorems algebraically.

**Common Core State Standard Alignment:**