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Assess Yourself

How well do you understand the ideas in this lesson?

Goal:

Goal:

monkey with checkmark and cross

Show What You Know!

Assess how well you met your goals.

Are you ready to take this lesson's quiz? These questions will help you find out. Go back to the lesson if you do not know an answer.

What is 17 rounded to the nearest 10?

  1. 50
  2. 30

Great job! 17 rounded to the nearest 10 is 20.

Sorry, that is not right. 17 rounded to the nearest 10 is 20.

Sorry, that is not right. 17 rounded to the nearest 10 is 20.

Which number line helps round 68 to the nearest 10?

  1. Number line: 70 through 80. A block dot on 75, and a yellow arrow pointing from 75 to 80. And, there is also a red circle around the number 80.
  2. Number line: 60 through 70. A block dot on 64, and a yellow arrow pointing from 64 to 60. And, there is also a red circle around the number 60.

Sorry, this number line does not help round 68 to the nearest 10.

Sorry, this number line does not help round 68 to the nearest 10.

That is right! This number line helps round 68 to the nearest 10.

Which rounded number matches this number line?

Number line: 30 through 40. A block dot on 33, and a yellow arrow pointing from 33 to 30. And, there is also a red circle around the number 30.

  1. 33 → 50
  2. 33 → 20

Sorry, your answer is not correct. 33 rounded to the nearest 10 is 30.

Correct! 33 rounded to the nearest 10 is 30.

Sorry, your answer is not correct. 33 rounded to the nearest 10 is 30.

What is 45 rounded to the nearest 10?

  1. 90
  2. 10

Sorry, that is not right. 45 rounded to the nearest 10 is 50.

Sorry, that is not right. 45 rounded to the nearest 10 is 50.

Great job! 45 rounded to the nearest 10 is 50.

Which number line helps round 92 to the nearest 10?

  1. Number line: 90 through 100. A block dot on 94, and a yellow arrow pointing from 94 to 90. And, there is also a red circle around the number 90.
  2. Number line: 90 through 100. A block dot on 97, and a yellow arrow pointing from 97 to 100. And, there is also a red circle around the number 100.

That is right! This number line helps round 92 to the nearest 10.

Sorry, this number line does not help round 92 to the nearest 10.

Sorry, this number line does not help round 92 to the nearest 10.

Which rounded number matches this number line?

Number line: 20 through 30. A block dot on 21, and a yellow arrow pointing from 21 to 20. And, there is also a red circle around the number 20.

  1. 21 → 80
  2. 21 → 30

Correct! 21 rounded to the nearest 10 is 20.

Sorry, your answer is not correct. 21 rounded to the nearest 10 is 20.

Sorry, your answer is not correct. 21 rounded to the nearest 10 is 20.

What is 62 rounded to the nearest 10?

  1. 40
  2. 30

Sorry, that is not right. 62 rounded to the nearest 10 is 60.

Sorry, that is not right. 62 rounded to the nearest 10 is 60.

Great job! 62 rounded to the nearest 10 is 60.

Which number line helps round 36 to the nearest 10?

  1. Number line: 30 through 40. A block dot on 37, and a yellow arrow pointing from 37 to 40. And, there is also a red circle around the number 40.
  2. Number line: 30 through 40. A block dot on 33, and a yellow arrow pointing from 33 to 30. And, there is also a red circle around the number 30.

Sorry, this number line does not help round 36 to the nearest 10.

That is right! This number line helps round 36 to the nearest 10.

Sorry, this number line does not help round 36 to the nearest 10.

Which rounded number matches this number line?

Number line: 70 through 90. A block dot on 77, and a yellow arrow pointing from 77 to 80. And, there is also a red circle around the number 80.

  1. 77 → 90
  2. 77 → 50

Sorry, your answer is not correct. 77 rounded to the nearest 10 is 80.

Correct! 77 rounded to the nearest 10 is 80.

Sorry, your answer is not correct. 77 rounded to the nearest 10 is 80.

What is 84 rounded to the nearest 10?

  1. 40
  2. 70

Great job! 84 rounded to the nearest 10 is 80.

Sorry, that is not right. 84 rounded to the nearest 10 is 80.

Sorry, that is not right. 84 rounded to the nearest 10 is 80.

Summary

Questions answered correctly:

Questions answered incorrectly: