QR 101 · Course unit
Ratios: compare financial choices
Use unit prices and scale a spending plan.
Practice in MathBeasts (opens the existing external demo in a new tab)
Opens the existing MathBeasts demo in a new tab. Launched separately — activity there is not synced back and never affects sample progress or grades here.
- 01 Course challenge
- 02 Diagnostic
- 03 Targeted repair
- 04 Mastery & return
Ratios and unit rates repair bench
Divide by the number of units to compare rates. Equivalent ratios multiply both quantities by the same factor.
Worked example
$12 for 3 notebooks is $4 per notebook. A 2:3 mix scales to 4:6.
Two correct guided practice answers unlock two new transfer checks.
Unit prerequisite tools
Ratios and unit rates
diagnostic-recommended
Not tested yet
Percentages
on-demand
Available whenever needed
Fractions
on-demand
Available whenever needed