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Rounding Decimals

Subject Area: Mathematics (B.E.S.T.) | Grade Level: 5
Lesson Length: 30 minutes
Keywords/Tags: Decimals
Lesson Description: I will go over how to round decimals and what requirements are needed to understand when to round up or down

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Quiz : Rounding Decimals Quiz

Instructions: Please complete this quiz by choosing the correct answer for each question. You can take this quiz as many times needed.

Question #1

Rounding is only applicable for decimals

A) True

B) False

Question #2

Round this number to the nearest hundredth place. 9.764

A) 9.76

B) 9.77

C) 9.80

D) 9.765

Question #3

Round this number to the nearest thousandth 0.0001

A) 0.0002

B) 1

C) 0.00001

D) 0.000

Question #4

You have a number with three decimal places. The digit in the thousandth place is 8. Explain how you would round this number to the nearest hundredth.

A) Round down because 8 is less than 9.

B) Round up the digit in the hundredth place by 1.

C) Keep the number as it is because the thousandth place does not affect the hundredth place.

D) Change the digit in the thousandth place to 0.

Question #5

Consider a number with four decimal places. The digit in the hundredth place is 4, and the digit in the thousandth place is 5. Describe how you would round this number to the nearest tenth.

A) Round up the digit in the hundredth place because the thousandth place is 5.

B) Round down the digit in the hundredth place because 4 is less than 5.

C) Round up the digit in the tenth place by 1 because the digit in the hundredth place is followed by a 5.

D) Keep the digit in the tenth place the same because the hundredth place is less than 5.

Description: You will practice rounding decimals

Resources : Extra practice and resources

Instructions: Please see additional external resources below. Feel free visit each link to learn more about this lesson.

How to check your answers if you are stuck

Breaking down how to round

Rounding Decimals Video

Rounding a 9

Rouding Decimals w/ Explanation

Description: More information about rounding decimals!

Assignment : Rounding Decimals Assignment #1

1. Round the number 4.567 to the nearest tenth.

2. Round the number 3.142 to the nearest hundredth.

3. Round the number 7.8569 to the nearest thousandth.

4. Round the number 0.499 to the nearest tenth.

5. Round the number 12.345 to the nearest whole number.

6. Round the number 6.2831 to the nearest hundredth.

7. Round the number 0.98765 to the nearest thousandth.

8. Round the number 5.4321 to the nearest tenth.

9. Round the number 9.8765 to the nearest hundredth.

10. Round the number 2.71828 to the nearest thousandth.

11. Round the number 1.234 to the nearest whole number.

12. Round the number 8.7654 to the nearest tenth.

13. Round the number 0.333 to the nearest hundredth.

14. Round the number 6.999 to the nearest whole number.

15. Round the number 14.56789 to the nearest thousandth.

Video : Rounding Basics

Instructions: Please watch the following video as many times as needed before starting to go through other lesson pages. Understanding the content of the video is very important since the lesson activities will be all about this video content.

Description: How to round decimals

Standards: None

Quiz : Rounding Decimals Quiz

Resources : Extra practice and resources

Assignment : Rounding Decimals Assignment #1

Video : Rounding Basics