Question

there are (square) thirds in 1 whole.

Explanation:

Step1: Analyze fraction meaning

A whole is divided into thirds, where each part is $\frac{1}{3}$.

Step2: Count parts in whole

To find how many $\frac{1}{3}$ are in 1 whole, we consider that $\frac{1}{3}+\frac{1}{3}+\frac{1}{3}=1$. So there are 3 such parts.

Answer:

3