Rounding Numbers and Rules

In this video, Alex explains how to round whole numbers and decimals. The key rule is 'five or more, let it rise; four or less, let it rest.' This rule applies to both whole numbers and decimals. Examples are provided to demonstrate rounding whole numbers to the nearest ten and rounding decimals to one decimal place. A number line is used to illustrate the rounding process for decimals. The video concludes with practice questions and encourages viewers to check out related content for further learning.

What is the basic rule for rounding numbers?

• Round up if the number is even.

• Round down if the number is odd.

• Round up if the last digit is 5 or more.

• Round down if the last digit is 5 or more.

If you have the number 718, what is it rounded to the nearest ten?

• 700

• 710

• 720

• 730

How would you round the number 695 to the nearest hundred?

• 800

• 700

• 600

• 690

When rounding 6.32 to one decimal place, what is the result?

• 6.5

• 6.2

• 6.3

• 6.4

What is the purpose of using a number line when rounding decimals?

• To visualize the rounding process.

• To calculate the exact value.

• To find the average of numbers.

• To compare two numbers.

If rounding 6.328 to two decimal places, what is the result?

• 6.32

• 6.34

• 6.35

• 6.33

What should you do if the digit after the rounding place is 5 or more?

• Round down.

• Ignore the digit.

• Round up.

• Leave it as is.

What is the result of rounding 6.325 to two decimal places?

• 6.32

• 6.33

• 6.34

• 6.35

What is the key takeaway from the video?

• Rounding is only for numbers ending in zero.

• Rounding rules apply to both whole numbers and decimals.

• Rounding is not necessary for decimals.

• Rounding is only for whole numbers.

What should you do if you need more practice with rounding?

• Practice with unrelated topics.

• Avoid rounding altogether.

• Ignore the topic.

• Watch more videos.