Estimate Packages of Paper to Purchase

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