Find what each little line is worth. Count on from the last number. A liter is a big bottle of water. A milliliter is a tiny drop. 1 liter = 1,000 milliliters.
Worked example
The jug is filled with water. How much water is in the jug?
Answer:8 L
The top of the water is at the labelled line 8. The jug holds 8 L. Answer: 8 L.
For grown-ups: Liquid volume and mass (g, kg, L). Below: three problems to try with the worked answers, and a free printable sheet. Children can practise the same skill as a game, with no sign-up and no ads.
CCSS 3.MD.A.2
What this practises, for teachers
Practices liquid volume and mass (g, kg, L) (3.MD.A.2). A printable sheet with its answer key, worked answers on the page, no accounts.