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Assess Yourself

How well do you understand the ideas in this lesson?

Goal:

Goal:

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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 is 17 + 8?

Tens and Ones place-value-chart: In the tens section: 1 ten-frame with 10 red dots, and another ten-frame with 7 red dots and 3 blue dots. In the ones section: 1 ten-frame with 5 blue dots.

  1. 16
  2. 20

Great job! 17 + 8 = 25.

Sorry, that’s not correct. 17 + 8 = 25.

Sorry, that’s not correct. 17 + 8 = 25.

What are the addends shown in this place-value chart?

Tens and Ones place-value-chart: In the tens section: 1 ten-frame with 10 red dots. In the ones section: 1 ten-frame with 3 red and 4 blue dots.

  1. 12 + 8
  2. 19 + 2

Sorry, that’s not correct. The addends in this chart are 13 and 4.

Sorry, that’s not correct. The addends in this chart are 13 and 4.

You got it! This place-value chart has 13 red dots and 4 blue dots.

Which place-value chart helps you solve 19 + 2?

  1. Tens and Ones place-value-chart: In the tens section: 1 ten-frame with 10 red dots, and another ten-frame with 5 red dots and 5 blue dots. In the ones section: 1 ten-frame with 3 blue dots.
  2. Tens and Ones place-value-chart: In the tens section: 2 ten-frames with 10 red dots, and another ten-frame with 5 red dots and 5 blue dots. In the ones section: 1 ten-frame with 3 blue dots.

Sorry, this place-value chart doesn’t help solve 19 + 2.

Sorry, this place-value chart doesn’t help solve 19 + 2.

That’s right! This place-value chart helps solve 19 + 2.

What is 26 + 7?

Tens and Ones place-value-chart: In the tens section: 2 ten-frames with 10 red dots, and another ten-frame with 6 red dots and 4 blue dots. In the ones section: 1 ten-frame with 3 blue dots.

  1. 20
  2. 23

Sorry, that’s not correct. 26 + 7 = 33.

Great job! 26 + 7 = 33.

Sorry, that’s not correct. 26 + 7 = 33.

What are the addends shown in this place-value chart?

Tens and Ones place-value-chart: In the tens section: 1 ten-frame with 10 red dots. In the ones section: 1 ten-frame with 4 red dots and 1 blue dot.

  1. 10 + 4
  2. 20 + 5

You got it! This place-value chart has 14 red dots and 1 blue dot.

Sorry, that’s not correct. The addends in this chart are 14 and 1.

Sorry, that’s not correct. The addends in this chart are 14 and 1.

Which place-value chart helps you solve 10 + 3?

  1. Tens and Ones place-value-chart: In the tens section: 1 ten-frame with 9 red dots and 1 blue dot. In the ones section: 1 ten-frame with 3 blue dots.
  2. Tens and Ones place-value-chart: In the tens section: 1 ten-frame with 5 red dots and 5 blue dots. In the ones section: 1 ten-frame with 3 blue dots.

Sorry, this place-value chart doesn’t help solve 10 + 3.

Sorry, this place-value chart doesn’t help solve 10 + 3.

That’s right! This place-value chart helps solve 10 + 3.

What is 16 + 5?

Tens and Ones place-value-chart: In the tens section: 1 ten-frame with 10 red dots, and another ten-frame with 6 red dots and 4 blue dots. In the ones section: 1 ten-frame with 1 blue dot.

  1. 41
  2. 28

Great job! 16 + 5 = 21.

Sorry, that’s not correct. 16 + 5 = 21.

Sorry, that’s not correct. 16 + 5 = 21.

What are the addends shown in this place-value chart?

Tens and Ones place-value-chart: In the tens section: 1 ten-frame with 10 red dots, and another ten-frame with 2 red dots and 8 blue dots. In the ones section: 1 ten-frame with 1 blue dot.

  1. 11 + 6
  2. 20 + 3

Sorry, that’s not correct. The addends in this chart are 12 and 9.

You got it! This place-value chart has 12 red dots and 9 blue dots.

Sorry, that’s not correct. The addends in this chart are 12 and 9.

Which place-value chart helps you solve 18 + 7?

  1. Tens and Ones place-value-chart: In the tens section: 1 ten-frame with 10 red dots, and another ten-frame with 9 red dots and 1 blue dot. In the ones section: 1 ten-frame with 3 blue dots.
  2. Tens and Ones place-value-chart: In the tens section: 1 ten-frame with 10 red dots, and another ten-frame with 5 red dots and 5 blue dots. In the ones section: 1 ten-frame with 3 blue dots.

Sorry, this place-value chart doesn’t help solve 18 + 7.

Sorry, this place-value chart doesn’t help solve 18 + 7.

That’s right! This place-value chart helps solve 18 + 7.

What is 25 + 7?

Tens and Ones place-value-chart: In the tens section: 2 ten-frames with 10 red dots, and another ten-frame with 9 red dots and 2 blue dots. In the ones section: 1 ten-frame with 2 blue dots.

  1. 23
  2. 44

Great job! 25 + 7 = 32.

Sorry, that’s not correct. 25 + 7 = 32.

Sorry, that’s not correct. 25 + 7 = 32.

Summary

Questions answered correctly:

Questions answered incorrectly: