Length is how long or far something is.
We measure length in:
Millimeters (mm) β very small things
Centimeters (cm) β pencils, books
Meters (m) β rooms, people
Kilometers (km) β roads, long distances
Weight tells how heavy something is.
We measure weight in:
Grams (g) β fruits, snacks
Kilograms (kg) β people, furniture
Volume is how much space something takes up β like how much water fills a bottle.
We measure volume in:
Milliliters (ml) β cups, medicine
Liters (L) β water bottles, juice containers
We use length, weight, and volume every day β in cooking, building, shopping, and more.