Foundational Review
📋 What it is
Revisit ratios, rates, proportions and percent and how they connect.
🗣️ Coach says
Review links the family: a ratio compares, a rate compares different units, a proportion sets ratios equal, and a percent is a ratio out of 100. They're all the same idea — comparison — wearing different clothes.
🧠 Memory hook
Ratio, rate, proportion, percent — all comparison tools. Know which fits the question.
😂 Giggle
What's a ratio's favorite type of music?
Hip-hop — because it's all about the beat-to-beat ratio!
😲 Whoa!
Being fluent across ratios and percents is one of the most-used life-maths skills — from tips to taxes to recipes.
✅ Quick check: A percent is really a ratio compared to what number?
Say your answer out loud first — then reveal.
100 — percent means "per hundred".
Every percent is a ratio with 100 as the second term.
🧪 Try it! (2 minutes)
Write "3 out of 4" as a ratio, a fraction, and a percent (3:4, 3/4, 75%).