Approximate the answer to a calculation by rounding all the values to one significant figure before calculating

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!

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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!

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# 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.

Quiz:

Estimate answers to calculations by rounding numbers to one significant figure before calculating.

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## Q5.5. Would the estimate for 743 x 3299 be an overestimate or an underestimate?

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Quiz:

Estimate answers to calculations by rounding numbers to one significant figure before calculating.

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## Q5.5. Would the estimate for 743 x 3299 be an overestimate or an underestimate?

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