Multiply a 2-digit number by a 1-digit number

Home learning focus

Learn how to multiply a 2-digit number by a 1-digit number.

This includes:

  • one video
  • one interactive activity
  • two worksheets

Learn

When multiplying a 2-digit number by a 1-digit number you can use both mental and written methods.

Let's take a look at an example of solving a multiplication problem in your head. Before you press play have a think about how you would work out 19 x 5 ?

How can I multiply a 2 digit-number by a 1-digit number?

You can do this by breaking down a number.

Let's think about an example, what is 6 x 40?

6 x 40 is equal to 6 x 4 x 10

If we put the 10 to one side, 6 x 4 is equal to 6 x 2 x 2

6 x 2 x 2 = 24

Now bring back that ten, 24 x 10 = 240

This means 6 x 40 = 240

Break down the calculation as much as you need to. If you know 6 x 4 = 24, you don't have to break it down into 6 x 2 x 2.

Practise

Activity 1

Now, find out more about multiplying a 2-digit number by a 1-digit number using a written method with this interactive guide.You only need to play sections 1 to 4

Once you've opened it, you can use the 'Next' button on the bottom right-hand side of the screen to work your way through each page.

Short multiplication

Activity 2

Try this worksheet from Big Maths to test your knowledge of multiplication.

Multiplication worksheet

Activity 3

Have some multiplication fun with this activity from Twinkl

Complete the calculations using multiplication

Click here for the answer sheet.

There's more to learn

Have a look at these other resources around the BBC and the web.

Bitesize Daily lessons
KS2 Maths
Primary games