# 3 Act Math Tasks

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

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

## Geometry

**Overall Expectation Description:**

Three Act Math Tasks Related to High School Geometry Common Core Mathematics Standards (CCSS)

## Related 3 Act Math Tasks:

## Railing Reconstruction

### What is the angle measure of the missing angle?

**Shared By:**

Kyle Pearce

**Math Topic:**

Geometry and Spatial Sense, angle geometry, opposite angle theorem, parallel lines cut by a transversal.

**Common Core State Standard Alignment:**

## Walk Out Sequel feat. @Desmos Activity & @Knowledgehook Gameshow!

### Do the two "walks" produce perpendicular lines?

**Shared By:**

Kyle Pearce

**Math Topic:**

Parallel and perpendicular lines

**Common Core State Standard Alignment:**

## Hot Coffee

### How many gallons fit into that coffee cup?

**Shared By:**

Dan Meyer

**Math Topic:**

Understand ratio concepts and use ratio reasoning to solve problems.

Apply geometric concepts in modeling situations.

Explain volume formulas and use them to solve problems.

**Common Core State Standard Alignment:**

## Big Nickel

### Would it be cheaper to build it using nickels?

**Shared By:**

Andrew Stadel

Cathy Yenca

Dan Meyer

Kyle Pearce

**Math Topic:**

Proportional Reasoning, Volume, Problem Solving

**Common Core State Standard Alignment:**

## Mix, Then Spray

### Where should I stop filling?

**Shared By:**

Kyle Pearce

**Math Topic:**

3D Measurement, Volume of a Cylinder, Volume of a Cone, Composite Figures

**Common Core State Standard Alignment:**

## Cones and Spheres

### How many cones does it take to fill the sphere?

**Shared By:**

Kyle Pearce

**Math Topic:**

3D Measurement: Volume/Capacity of Prisms, Pyramids and Spheres.

**Common Core State Standard Alignment:**

## Prisms and Pyramids

### How many pyramids does it take to fill the prism?

**Shared By:**

Kyle Pearce

**Math Topic:**

3D Measurement: Volume/Capacity of Prisms and Pyramids.

**Common Core State Standard Alignment:**

## Laying Sod

### How many pieces of sod will cover the garden?

**Shared By:**

Jon Orr

**Math Topic:**

Trigonometry, area, measurement

**Common Core State Standard Alignment:**

## Mustard Mayhem!

### How many bottles of mustard was used?

**Shared By:**

Kyle Pearce

**Math Topic:**

Students will use the volume of a cylinder to determine how much mustard can fit in one container and proportional reasoning to determine how many bottles it will take.

**Common Core State Standard Alignment:**