# 3 Act Math Tasks

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

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

# Grade 6

## 6.RP.3

**Overall Expectation Description:**

## 6.RP.3 – Grade 6 – Ratios & Proportional Relationships

Understand ratio concepts and use ratio reasoning to solve problems.

Use ratio and rate reasoning to solve real-world and mathematical problems, e.g., by reasoning about tables of equivalent ratios, tape diagrams, double number line diagrams, or equations.

## Related 3 Act Math Tasks:

## Donut Delight

### How many doughnuts are there?

**Shared By:**

Brennan Jones

Brian Marks

Graham Fletcher

Kyle Pearce

Mike Wiernicki

**Math Topic:**

Multiplication, Division, Proportional Reasoning

**Common Core State Standard Alignment:**

## Solar Panels

### How much greenhouse gas emissions can they offset?

**Shared By:**

Kyle Pearce

**Math Topic:**

Proportional reasoning, proportions, direct variation linear relations

**Common Core State Standard Alignment:**

## Calvin’s Clearance

### What is the sale price?

**Shared By:**

Kyle Pearce

**Math Topic:**

Percentages and Discounts

**Common Core State Standard Alignment:**

## Fast Clapper

### Will he beat the record?

**Shared By:**

Nathan Kraft

**Math Topic:**

Ratios, Rates, and Proportional Reasoning.

**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:**

## R2D2 Post-Its by @MrOrr_geek

### How many post-it notes will it take to fill the board?

**Shared By:**

Jon Orr

**Math Topic:**

Measurement of Area, Proportional Reasoning

**Common Core State Standard Alignment:**

## Gas Guzzler

### What is the cost of gasoline per litre?

**Shared By:**

Kyle Pearce

**Math Topic:**

Ratios and Rates, Rates of Change, Slope, Direct Variation of a Linear Relation, Proportional Reasoning

**Common Core State Standard Alignment:**

## Super-Bear

### How many regular bears equals the super bear?

**Shared By:**

Dan Meyer

**Math Topic:**

Understand ratio concepts and use ratio reasoning to solve problems.

**Common Core State Standard Alignment:**

## Flaps!

### How fast is the hummingbird flapping its wings?

**Shared By:**

Jon Orr

**Math Topic:**

Rates, Rate of Change, Slope, Speed, Linear Relations

**Common Core State Standard Alignment:**

## Eiffel Tower Trek

### How many stairs are there?

**Shared By:**

Mishaal Surti

**Math Topic:**

Proportional Reasoning, Rate of Change, Ratio, Measurement, Length

**Common Core State Standard Alignment:**

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