Multiplying numbers by 10 and 100

In this lesson, we will learn to multiply numbers by 10 and 100. We will investigate the patterns that occur when multiplying numbers by 10 and 100, and describe these patterns using place value and place holders.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Freddie has 3 sweets. Connell has 5 times as many sweets. How many sweets does Connell have?

1/3

Q2.Can the same calculation be used to solve different number stories?

2/3

Q3.Does the product change when the order of the factors change?

3/3

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Freddie has 3 sweets. Connell has 5 times as many sweets. How many sweets does Connell have?

1/3

Q2.Can the same calculation be used to solve different number stories?

2/3

Q3.Does the product change when the order of the factors change?

3/3

Video

Play video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

  • Click "Close Video"
  • Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

See if you can answer these questions based on our learning today.

Q1.We use ____ as a place holder.

1/4

Q2.To multiply by 100 you can multiply by 10, then multiply by 10 again.

2/4

Q3.2 x 100 =

3/4

Q4.60 is ten times greater than which number?

4/4

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

See if you can answer these questions based on our learning today.

Q1.We use ____ as a place holder.

1/4

Q2.To multiply by 100 you can multiply by 10, then multiply by 10 again.

2/4

Q3.2 x 100 =

3/4

Q4.60 is ten times greater than which number?

4/4

Lesson summary: Multiplying numbers by 10 and 100

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