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Assess Yourself

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.

What are the missing digits?

Thousand Chart: 80, 180, 280, 380 are each highlighted.

80, _80, _80, _80

  1. 1, 1, 1
  2. 5, 0, 5

That’s right! Those are the missing digits.

Sorry, those are not the missing digits.

Sorry, those are not the missing digits.

What numbers match the thousand chart?

Thousand Chart: 150, 250, 350 are each highlighted.

  1. 150, 160, 170
  2. 150, 155, 160

Sorry, those are not the right numbers.

Yes! Those are the right numbers.

Sorry, those are not the right numbers.

Which chart shows 40 + 200?

  1. Thousand Chart: 400, 500, 600 are each highlighted. 400 is circled.
  2. Thousand Chart: 140, 240, 340 are each highlighted. 140 is circled.

Sorry that was not the right chart.

Sorry that was not the right chart.

Great job! That is the right chart.

What are the missing digits?

Thousand Chart: 50, 150, 250, 350 are each highlighted. 150 is circled.

50, 1_0, 2 _0, 3 _0

  1. 1, 2, 3
  2. 5, 0, 5

Sorry, those are not the missing digits.

That’s right! Those are the missing digits.

Sorry, those are not the missing digits.

What numbers match the thousand chart?

Thousand Chart: 430, 530, 630, 730, 830 are each highlighted. 430 is circled.

  1. 430, 440, 450, 460, 470
  2. 430, 435, 440, 445, 450

Yes! Those are the right numbers.

Sorry, those are not the right numbers.

Sorry, those are not the right numbers.

Which chart shows 260 + 300?

  1. Thousand Chart: 360, 460, 560, 660 are each highlighted. 360 is circled.
  2. Thousand Chart: 60, 160, 260, 360 are each highlighted. 60 is circled.

Sorry that was not the right chart.

Great job! That is the right chart.

Sorry that was not the right chart.

What numbers match the thousand chart?

Thousand Chart: 480, 580, 680, 780, 880 are each highlighted. 480 is circled.

  1. 480, 490, 500, 510, 520
  2. 480, 485, 490, 495, 500

Yes! Those are the right numbers.

Sorry, those are not the right numbers.

Sorry, those are not the right numbers.

What is 200 more than 270?

Thousand Chart: 270, 370, 470 are each highlighted. 270 is circled.

  1. 480
  2. 570

Sorry, that was not the right answer.

Sorry, that was not the right answer.

You did it! That is the right answer.

Which chart shows 390 + 600?

  1. Thousand Chart: 390, 490, 590, 690 are each highlighted. 390 is circled.
  2. Thousand Chart: 330, 430, 530, 630, 730 are each highlighted. 330 is circled.

Sorry that was not the right chart.

Sorry that was not the right chart.

Great job! That is the right chart.

What is 500 more than 40?

Thousand Chart: 40, 140, 240, 340, 440, 540 are each highlighted. 40 is circled.

  1. 640
  2. 550

You did it! That is the right answer.

Sorry, that was not the right answer.

Sorry, that was not the right answer.

Summary

Questions answered correctly:

Questions answered incorrectly: