Multiplication and Division

Solving Multiplication Problems

You can use counting and adding to solve some small, simple multiplication problems. For example, on the last page, we were trying to figure out how many eggs we'd need to make three cakes. Each cake needed two eggs, so we wrote the problem like this:

3 x 2

As you know by now, that expression means three times two, or 3 cakes with 2 eggs each. It's a simple problem. To solve it, you can either count the eggs or add them — 2 + 2 + 2. Either way, the answer is 6. We know that 3 x 2 = 6.

While this works for small problems, counting large numbers can take a long time— and it's pretty boring too. For this reason, most people memorize common multiplication problems so that they can solve them quickly. If this sounds hard, don't worry. The more you practice, the easier it will be to remember the answers to problems.

Until then, you can solve multiplication problems by using a multiplication table. It's also called a times table. A times table is a chart with the answers to all of the multiplication problems that use the numbers 1 through 12. It's simple to use. Click through the slideshow below to learn how.

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  This is a times table.

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  At the top of the times table, you can find the numbers 1 through 12. They're in order from left to right.

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  Each of the numbers on top is at the start of a column. For example, this is the column that goes with 5. All of the numbers in this column are multiples of 5. This means that they're all numbers you can get by multiplying 5.

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  You can also find the numbers 1 through 12 on the left side of the times table. Here, the numbers are in order from top to bottom.

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  Each of these numbers is the start of a row. This row contains the multiples of 4.

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  Let's try solving a problem with the times table. We'll start with 7 x 3.

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  7 x 3

  First, look at the number to the left of the times sign. That's 7.

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  7 x 3

  Find the 7 at the top of the chart.

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  7 x 3

  Next, look at the number to the right of the times sign. That's 3.

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  7 x 3

  Find the 3 on the side of the chart.

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  7 x 3

  The answer will be in the square where the 7's column and the 3's row meet and overlap.

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  7 x 3 = 21

  It's this square, 21. So 7 x 3 is 21.

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  Let's try that again. This time, we'll solve 5 x 9.

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  5 x 9

  First, we find the 5.

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  5 x 9

  Next, we find the 9.

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  5 x 9

  Finally, we find the square where the column and the row meet. It's 45. So 5 x 9 = 45.

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Now you try. Practice using the times table to solve multiplication problems. Click two numbers to multiply them.