Keep a mix in the same ratio
Use equivalent ratios to scale a fictional mixture.
Open lesson 1Represent Proportional Quantities
Connect equivalent ratios, unit rates, percent parts, and ordered pairs in supplied models.
Before you begin
- Multiply and divide whole numbers and simple fractions.
- Know numerator and denominator, and read labeled coordinate pairs.
Choose by skill rather than age alone. Read with an adult when useful, revisit a lesson, or explore another grade.
Follow the lesson sequence
Find a Rate for One Unit
Divide a paired amount to find a per-minute rate and scale it.
Open lesson 2Read a Percent as Parts per Hundred
Find the part of a batch represented by a percent.
Open lesson 3Connect a Ratio Table to Ordered Pairs
Build equivalent-ratio pairs and keep coordinate order clear.
Open lesson 4Review and transfer
After the lessons, try 4 new review cases and a practical task. Each answer has an explanation and a link back to the related lesson.
Open the unit reviewGuest answers are temporary. Keep your own paper or document; this unit does not certify completion or record a school grade.