Lumen
🪙 0
Classes
/
Grade 6
/
Area, volume and surface area
/
Converting between units for area
Converting between units for area
📖 Learn
🎬 Guided Practice
✏️ Practice
Concept 1 of 3 · no score 🙂
Cut the square up
Why 1 cm² is 100 mm², not 10
1 cm = 10 mm
1 cm = 10 mm
1 mm²
10 × 10 = 100
1 cm² = 100 mm²
100 × 100 = 10 000
1 m² = 10 000 cm²
The LENGTH factor gets squared for area.
10 across
and
10 down —
square the factor
.
1
Take a square of side 1 cm.
Show me the next step ↓