Calculating Offsets in Plumbing
Calculating Offsets in Plumbing
Calculating offsets using multiple step formulas to determine measurements of pipes when installing around obstacles.
Please note that some of these tasks are beyond Level 3
- Pen and paper
- Calculator with square root
- Attached document - Understanding Offsets in Plumbing
A1. Read continuous text
Competency A: Find and Use Information
Task Group A1: Read continuous text
Level: 2
At this level, learners: Read texts to locate and connect ideas and information
Performance Descriptors
The learner:
• Makes connections between sentences and between paragraphs in a single text
• Scans text to locate information
• Locates multiple pieces of information in simple texts
• Reads more complex texts to locate a single piece of information
• Makes low-level inferences
• Follows the main events of descriptive, narrative, and informational texts
• Obtains information from detailed reading
• Begins to identify sources and evaluate information
Task Descriptors
• Scope of task is clearly defined
• Involves one text
• Is one paragraph or longer
• May include unfamiliar elements (e.g. vocabulary, context, topic)
Text types:
instructional, descriptive, narrative, and informational texts
Examples:
- Letters
- Emails
- Notices
ESKARGO:
Embedded Skills, Knowledge and Attitudes Reference Guide for Ontario - A1.2
A2. Interpret documents
Competency A: Find and Use Information
Task Group A2: Interpret documents
Level: 2
At this level, learners: Interpret simple documents to locate and connect information
Performance Descriptors
The learner:
- Performs limited searches using one or two search criteria
- Extracts information from tables and forms
- Locates information in simple graphs and maps
- Uses layout to locate information
- Makes connections between parts of documents
- Makes low-level inferences
- Begins to identify sources and evaluate information
Task Descriptors
- Scope of task is clearly defined
- Involves one document
- Uses a simple format
- Displays a limited amount of information
- Is typically up to one page in length
- May include unfamiliar elements (e.g. vocabulary, context, topic)
- Documents at this level may contain a paragraph or more of text
Examples:
- Forms
- Tables
- Simple graphs
- Street maps
- Simple flow charts
- Floor plans
ESKARGO:
Embedded Skills, Knowledge and Attitudes Reference Guide for Ontario – A2.2
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