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Welcome to Mathnasium’s Maths Tricks series. Today we are finding the value of the *what* part, in a Wholes and Parts problem.

In a Wholes and Parts problem, sometimes we have the *whole* and the *given part*, and we need to find the *what* part. When we are asked, “What part of a bigger number is a smaller number?” it is the same as being asked, “What fraction of the bigger number is the smaller number?” — this gives us the *what* part. Note that here, “is” means “equals.”

To find the value of the *what* part, we use the following steps:

- Identify the whole and the given part.
- Compare the given part to the whole as a fraction in lowest terms.

Follow the examples below to find the *what* part.

Step 1: Identify the whole and the given part.

The whole is 54.

The given part is 9.

Step 2: Compare the given part to the whole as a fraction in lowest terms.

Answer: 1/6

Step 1: Identify the whole and the given part.

The whole is 30 (9 chocolates + 14 gumballs + 7 mints).

The given part is 9 chocolates.

Step 2: Compare the given part to the whole as a fraction in lowest terms.

Answer: 3/10

Now, with this strategy, you are ready to use this Mathnasium Maths Trick to find the value of the *what* part in a Wholes and Parts problem. Click here for more practice problems, then check your answers here.

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