# Math Help—How to Work out the Product and Sum of Two Numbers

If you are asked to work out the product of two numbers then you need to multiply the two numbers together. If you are asked to find the sum of two numbers then you need to add the numbers together.

**Example 1**

Work out the product and sum of 6 and 8.

The product of 6 and 8 is 6 × 8 = 48

The sum of 6 and 8 is 6 + 8 = 14

**Example 2**

Work out the product and sum of 9 and 3.

The product of 9 and 3 is 9 × 3 = 27

The sum of 9 and 3 is 9 + 3 = 12

**Example 3**

Work out the product and sum of -7 and 9

The product of -7 and 9 is -7 × 9 = -63

The sum of -7 and 9 is -7 + 9 = 2

**Example 4**

Write down two numbers that have a product of 42.

All you need to do is look for two numbers that multiply to give 42.

There are several possible answers:

1 and 42 or 2 and 21 or 3 and 14 or 6 and 7.

You could even have:

-1 and -42 or -2 and -21 or -3 and -14 or -6 and -7.

**Example 5**

Work out the product of 2, 4 and 9.

The product means that you need to multiply the three numbers together.

2 × 4 × 9 = 72.

**Example 6**

Work out the sum of 2, 4 and 9.

This time you need to add the numbers together as you are finding the sum.

2 + 4 + 9 = 15.

So that’s all you need to know about product and sum:

**Product means multiply.**

**Sum means add.**

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