Use fractions, percentages, and ratios
Convert and compare parts, shares, changes, and scaled quantities in a practical context.
Calculating Wages: The Pay-Rate-Hour Triangle
From TabletClass Math. Watch here or open it on YouTube .
During the course primer, listen for ideas that change how you approach “Use fractions, percentages, and ratios.” Pause once to capture a useful point, then apply it while producing a conversion and comparison page with four applied examples and written interpretations.What this lesson is really solving.
Convert and compare parts, shares, changes, and scaled quantities in a practical context. This is lesson 2 because later decisions depend on a conversion and comparison page with four applied examples and written interpretations. The same relationship can be represented as a fraction, decimal, percentage, or ratio depending on the decision. Use your own numbers, files, environment, and constraints so the result survives outside the course.
Understand the idea before touching the steps.
The same relationship can be represented as a fraction, decimal, percentage, or ratio depending on the decision.
Follow these steps in order.
Take the action in each step; then use the deliverable below to prove the lesson is finished.
- 1
Name the whole and the part before choosing a representation.
- 2
Convert one example among fraction, decimal, percentage, and ratio, then explain what stays the same.
- 3
Apply the relationship to a discount, completion share, mixture, quality rate, or change and check the direction of the result.
See the standard in context.
Lena records 18 accurate items out of 20 as 90%, then explains that a move from 80% to 90% is a ten-percentage-point increase. The learner saves a conversion and comparison page with four applied examples and written interpretations and notes the evidence or assumption behind the choice so it can be reviewed and improved later.
Inspect before you move on.
- The finished work visibly includes a conversion and comparison page with four applied examples and written interpretations.
- You tested the work against this common failure: Changing the denominator, confusing percentage points with percent change, or comparing parts from different wholes.
- Another person could verify this mastery standard: You can state the whole, part, unit, and meaning of the result in plain language.
Your deliverable
A conversion and comparison page with four applied examples and written interpretations.
Watch for this
Changing the denominator, confusing percentage points with percent change, or comparing parts from different wholes.
Prove it—don’t just recognize it.
You can state the whole, part, unit, and meaning of the result in plain language.
Quick knowledge check
Answer from the lesson—not from confidence alone. Score at least 2 of 3 to unlock completion.
This curriculum-aligned check is scored automatically and stored with your account when signed in. It is an objective learning signal, but it has not yet been independently validated as a standardized assessment.
Tools, templates, and references
Pass the knowledge check above first.
Completion unlocks after a score of 2 out of 3. Then confirm that you produced the lesson deliverable.
Go to the knowledge check