Foundational Review
📋 What it is
Revisit and connect the core measurement units and when each is used.
🗣️ Coach says
A review isn't re-learning — it's tightening the connections. Which unit for length? For mass? For volume? When you can pick the right tool for each measurement instantly, harder problems stop being scary.
🧠 Memory hook
Match the measure to the unit: length→cm/m, mass→g/kg, capacity→mL/L, time→s/min.
😂 Giggle
Why did the gallon break up with the liter?
They just couldn't find common units!
😲 Whoa!
Getting a unit wrong crashed a real Mars spacecraft in 1999 — one team used metres, another used feet.
✅ Quick check: Which unit best measures the water a bottle holds?
Say your answer out loud first — then reveal.
Millilitres or litres (capacity).
Capacity units (mL, L) measure how much liquid a container holds.
🧪 Try it! (2 minutes)
Name the best unit for 5 objects around you (a pencil, a bag of rice, a juice carton, a walk to school).