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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.

Can you find the sum using ten frames in a place-value chart?

3 + 14 = ___

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

  1. 14 + 5 = 19
  2. 20 + 4 = 24

Sorry, that’s not correct. 3 + 14 = 17.

That’s right! 3 + 14 = 17.

Sorry, that’s not correct. 3 + 14 = 17.

Which number line helps you solve this addition sentence?

52 candies + 3 candies

  1. Number line: 20 through 30. There is a black dot on 23, and 6 jumps to the right, which lands on 29. 29 is circled in red.
  2. Number line: 50 through 60. There is a black dot on 52, and 2 jumps to the right, which lands on 54. 54 is circled in red.

You got it! This number line shows 52 + 3 = 55.

Sorry, this number line doesn’t show 52 + 3 = 55.

Sorry, this number line doesn’t show 52 + 3 = 55.

What addition sentence matches these base-ten blocks?

2 rods and 4 cubes + 1 rod and 4 cubes

  1. 10 + 18 = 28
  2. 20 + 8 = 28

Sorry, that’s not correct. These base-ten blocks show 24 + 14 = 38.

Sorry, that’s not correct. These base-ten blocks show 24 + 14 = 38.

Well done! These base-ten blocks show 24 +14 = 38.

Can you find the sum using ten frames in a place-value chart?

Tens and Ones place-value-chart: In the tens section: 2 ten-frames with 10 red dots. In the ones section: theres is one ten-frame with 7 red dots and 2 blue dots.

  1. 29 + 8 = 37
  2. 23 + 8 = 31

Sorry, that’s not correct. 27 + 2 = 29.

Sorry, that’s not correct. 27 + 2 = 29.

That’s right! 27 + 2 = 29.

Which number line helps you solve this addition sentence?

6 + 21 candies

  1. Number line: 20 through 30. There is a black dot on 21, and 3 jumps to the right, which lands on 24. 24 is circled in red.
  2. Number line: 20 through 30. There is a black dot on 23, and 5 jumps to the right, which lands on 28. 28 is circled in red.

You got it! This number line shows 6 + 21 = 27.

Sorry, this number line doesn’t show 6 + 21 = 27.

Sorry, this number line doesn’t show 6 + 21 = 27.

What addition sentence matches these base-ten blocks?

1 rod and 8 cubes + 7 cubes

  1. 17 + 4 = 21
  2. 20 + 4 = 24

Sorry, that’s not correct. These base-ten blocks show 18 + 7 = 25.

Well done! These base-ten blocks show 18 + 7 = 25.

Sorry, that’s not correct. These base-ten blocks show 18 + 7 = 25.

Can you find the sum using ten frames in a place-value chart?

9 + 13 = ___

Tens and Ones place-value-chart: In the tens section: 1 ten-frame with 10 red dots, and another ten-frame with 3 red dots and 8 blue dots. In the ones section: theres is one ten-frame with 2 blue dots.

  1. 14 + 2 = 16
  2. 3 + 77 = 80

Sorry, that’s not correct. 9 + 13 = 22.

Sorry, that’s not correct. 9 + 13 = 22.

That’s right! 9 + 13 = 22.

Which number line helps you solve this addition sentence?

39 + 4 candies

  1. Number line: 40 through 50. There is a black dot on 41, and seven jumps to the right, which lands on 48. 48 is circled in red.
  2. Number line: 35 through 45. There is a black dot on 42, and three jumps to the right, which lands on 45. 45 is circled in red.

Sorry, this number line doesn’t show 39 + 4 = 43.

You got it! This number line shows 39 + 4 = 43.

Sorry, this number line doesn’t show 39 + 4 = 43.

What addition sentence matches these base-ten blocks?

7 rods and 1 cube + 8 cubes

  1. 20 + 1 = 21
  2. 70 + 9 = 79

Well done! These base-ten blocks show 71 + 8 = 79.

Sorry, that’s not correct. These base-ten blocks show 71 + 8 = 79.

Sorry, that’s not correct. These base-ten blocks show 71 + 8 = 79.

Can you find the sum using ten frames in a place-value chart?

Tens and Ones place-value-chart: In the tens section: 4 ten-frames with 10 red dots and one ten-frame with 6 red dots and 4 dots. In the ones section: theres is one ten-frame with 5 blue dots.

  1. 50 + 3 = 53
  2. 42 + 5 = 47

That’s right! 46 + 9 = 55.

Sorry, that’s not correct. 46 + 9 = 55.

Sorry, that’s not correct. 46 + 9 = 55.

Summary

Questions answered correctly:

Questions answered incorrectly: