# Calculate volumes of concrete required

## Calculate volumes of concrete required

Carpenters calculate volumes of window sills, thrust blocks and columns to determine the amount of concrete required.

*Tasks 1, 3, & 4 ‘C3’ tasks are higher than Level 3 OALCF

*Task 3 has been identified as authentic to this particular trade and may need some prior knowledge of the trade to complete

- Pencil
- Calculator
- Concrete Building Objects diagram

### A2. Interpret documents

Competency A: **Find and Use Information**

Task Group A2: **Interpret documents**

Level: **1**

At this level, learners: **Interpret very simple documents to locate specific details**

**Performance Descriptors**

The learner:

- Scans to locate specific details
- Interprets brief text and common symbols
- Locates specific details in simple documents, such as labels and signs
- Identifies how lists are organized (e.g. sequential, chronological, alphabetical)
- Requires support to identify sources and to evaluate and integrate information

**Task Descriptors**

- Scope of task is limited
- Involves one document
- Contains brief text, symbols, or both
- Uses a very simple format
- Contains common, familiar vocabulary
- Has a familiar context
- Addresses concrete, day-to-day topics
- Has a highly explicit purpose
- Documents at this level may contain up to one paragraph of text

**Examples:**

- Signs
- Labels
- Lists
- Coupons
- Simple forms

**ESKARGO:**

Embedded Skills, Knowledge and Attitudes Reference Guide for Ontario – A2.1

### C3. Use measures

Competency C: **Understand and Use Numbers**

Task Group C3: **Use measures**

Level: **3**

At this level, learners: **Use measures to make multi-step calculations; use specialized measuring tools**

**Performance Descriptors**

The learner:

- Calculates using numbers expressed as whole numbers, fractions, decimals, percentages, and integers
- Calculates the radius, diameter, and circumference of circles
- Understands and uses properties of angles and triangles to solve problems
- Understands and uses formulas for finding the perimeter, area, and volume of non-rectangular, composite shapes
- Manages unfamiliar elements (e.g. context, content) to complete tasks
- Makes estimates involving many factors where precision is required
- Interprets and represents measurements taken with specialized tools (e.g. callipers, multimeters)
- Chooses and performs required operations; makes inferences to identify required operations
- Selects appropriate steps to solutions from among options
- Identifies a variety of ways to complete tasks
- Interprets, represents, and converts measures using whole numbers, decimals, percentages, ratios, and fractions
- Organizes and displays numerical information (e.g. graphs, tables)
- Uses strategies to check accuracy (e.g. estimating, using a calculator, repeating a calculation, using the reverse operation)

**Task Descriptors**

- Scope of task may not be clearly defined
- May include unfamiliar elements (e.g. context, content)
- Requires multi-step calculations where one step builds on the previous step
- Requires the use of rates or common formulas or both
- May require converting measurements to make calculations
- May involve documents (e.g. rate tables, scale drawings)
- May require converting between whole numbers, decimals, fractions, ratios, and percentages
- May require converting between measurement systems or between units in one system

**ESKARGO:**

Embedded Skills, Knowledge and Attitudes Reference Guide for Ontario – C3.3

### C4. Manage data

Competency C: **Understand and Use Numbers**

Task Group C4: **Manage data**

Level: **1**

At this level, learners: **Make simple comparisons and calculations**

**Performance Descriptors**

The learner:

- Adds, subtracts, multiplies, and divides whole numbers and decimals
- Recognizes values in number and word format
- Identifies and compares quantities of items
- Understands numerical order
- Identifies and performs required operation
- Begins to interpret integers
- Makes simple estimates
- Interprets and represents values using whole numbers, decimals, percentages, and simple, common fractions (e.g. ½, ¼)
- Follows apparent steps to reach solutions
- Interprets simple, common probabilities, such as the chance of precipitation from a weather forecast
- Recognizes simple patterns
- Uses strategies to check accuracy (e.g. estimating, using a calculator, repeating a calculation, using the reverse operation)

**Task Descriptors**

- Scope of task is limited
- Has a concrete and familiar context
- May require one operation; operation is apparent
- May require the same operation to be performed more than once
- Requires up to a few steps to complete
- Has a set procedure
- May involve one simple document (e.g. list, label)
- Has a highly explicit purpose
- Uses whole numbers and/or simple common fractions or decimals

**ESKARGO:**

Embedded Skills, Knowledge and Attitudes Reference Guide for Ontario – C4.1

Competency D: **Use Digital Technology**

Level: **2**

At this level, learners: **Perform well-defined, multi-step digital tasks**

**Performance Descriptors**

The learner:

- Selects and follows appropriate steps to complete tasks
- Locates and recognizes functions and commands
- Makes low-level inferences to interpret icons and text
- Begins to identify sources and evaluate information
- Performs simple searches using keywords (e.g. Internet, software help menu)

**Task Descriptors**

- Scope of task is clearly defined
- May include unfamiliar elements (e.g. vocabulary, context, topic)
- Requires multiple steps to complete
- Requires the use of a limited range of features and options
- May be completed in more than one way; each way has a set procedure
- Uses a simple format
- Contains text, icons, or both
- Text and icons required to complete tasks are easy to interpret
- May contain distracting information
- Interface offers a variety of options through menus

**ESKARGO:**

Embedded Skills, Knowledge and Attitudes Reference Guide for Ontario – D.2