What and Why

What:

1. Length: Measure how long things are using things like blocks or your own hands.
2. Weight: See which things are heavy and which are light.
3. Volume: Check if a container is full or empty, and which has more or less.

Why:

1. Useful in Life: Helps with everyday things like cooking and shopping.
2. Learning Numbers: Makes it easier to understand numbers and how they work.
3. Solving Problems: Helps in figuring out how much of something you need.
4. Fun Experiments: Useful for cool experiments and discovering new things!