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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 don't know an answer.

Which number line helps round 35 to the nearest 10?

  1. Number line: 30 through 40, with a dot on 33. There is one arrow pointing from 33 to 30.
  2. Number line: 30 through 40, with a dot on 37. There is one arrow pointing from 37 to 40.

Sorry, that’s not right. 35 rounded to the nearest 10 is 40.

Sorry, that’s not right. 35 rounded to the nearest 10 is 40.

That’s right! This number line shows 35 rounded to the nearest 10 is 40.

What is 242 rounded to the nearest 100?

Thousand Chart: 100's columns are highlighted, and an arrow on top of the chart, pointing left and right to the chart. 240 is highlighted and there is a green arrow pointing to 200.

  1. 240
  2. 400

Sorry, that’s not correct. 242 rounded to the nearest 100 is 200.

Great job! 242 rounded to the nearest 100 is 200.

Sorry, that’s not correct. 242 rounded to the nearest 100 is 200.

What is 1,723 rounded to the nearest 1,000?

Ten thousand Chart: 1000's columns are highlighted, and an arrow on top of the chart, pointing left and right to the chart. 1,700 is highlighted and there is a green arrow pointing to 2,000.

  1. 700
  2. 1,300

Sorry, that’s not correct. 1,723 rounded to the nearest 1,000 is 2,000.

Sorry, that’s not correct. 1,723 rounded to the nearest 1,000 is 2,000.

Very good! 1,723 rounded to the nearest 1,000 is 2,000.

Which number line helps round 238 to the nearest 10?

  1. Number line: 250 through 260, with a dot on 258. There is one arrow pointing from 258 to 260.
  2. Number line: 230 through 240, with a dot on 238. There is one arrow pointing from 238 to 230.

That’s right! This number line shows 238 rounded to the nearest 10 is 240.

Sorry, that’s not right. 238 rounded to the nearest 10 is 240.

Sorry, that’s not right. 238 rounded to the nearest 10 is 240.

What is 726 rounded to the nearest 100?

Thousand Chart: 100's columns are highlighted, and an arrow on top of the chart, pointing left and right to the chart. 730 is highlighted and there is a green arrow pointing to 700.

  1. 730
  2. 7,000

Great job! 726 rounded to the nearest 100 is 700.

Sorry, that’s not correct. 726 rounded to the nearest 100 is 700.

Sorry, that’s not correct. 726 rounded to the nearest 100 is 700.

What is 4,117 rounded to the nearest 1,000?

Ten thousand Chart: 1000's columns are highlighted, and an arrow on top of the chart, pointing left and right to the chart. 4,100 is highlighted and so is 4,000.

  1. 1,300
  2. 4,100

Sorry, that’s not correct. 4,117 rounded to the nearest 1,000 is 4,000.

Sorry, that’s not correct. 4,117 rounded to the nearest 1,000 is 4,000.

Very good! 4,117 rounded to the nearest 1,000 is 4,000.

Which number line helps round 14 to the nearest 10?

  1. Number line: 10 through 20, with a dot on 14. There is one arrow pointing from 14 to 20, and 20 is circled in red.
  2. Number line: 10 through 20, with a dot on 18. There is one arrow pointing from 18 to 20, and 20 is circled in red.

Sorry, that’s not right. 14 rounded to the nearest 10 is 10.

That’s right! This number line shows 14 rounded to the nearest 10 is 10.

Sorry, that’s not right. 14 rounded to the nearest 10 is 10.

What is 478 rounded to the nearest 100?

Thousand Chart: 100's columns are highlighted, and an arrow on top of the chart, pointing left and right to the chart. 480 is highlighted and there is a green arrow pointing to 500.

  1. 480
  2. 1,000

Great job! 478 rounded to the nearest 100 is 500.

Sorry, that’s not correct. 478 rounded to the nearest 100 is 500.

Sorry, that’s not correct. 478 rounded to the nearest 100 is 500.

What is 5,300 rounded to the nearest 1,000?

Ten thousand Chart: 1000's columns are highlighted, and an arrow on top of the chart, pointing left and right to the chart. 5,300 is highlighted and green arrow is pointing to 5,000.

  1. 480
  2. 1,000

Great job! 5,300 rounded to the nearest 1,000 is 5,000.

Sorry, that’s not correct. 478 rounded to the nearest 100 is 500.

Sorry, that’s not correct. 478 rounded to the nearest 100 is 500.

Which number line helps round 257 to the nearest 10?

  1. Number line: 240 through 250, with a dot on 247. There is one arrow pointing from 247 to 240, and 240 is circled in red.
  2. Number line: 250 through 260, with a dot on 257. There is one arrow pointing from 257 to 250, and 250 is circled in red.

Sorry, that’s not right. 257 rounded to the nearest 10 is 260.

Sorry, that’s not right. 257 rounded to the nearest 10 is 260.

That’s right! This number line shows 257 rounded to the nearest 10 is 260.

Summary

Questions answered correctly:

Questions answered incorrectly: