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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.

How do you add 2 tens on a hundred chart?

  1. go up 2
  2. go right 2

Sorry, that was not correct. You will need to go down 2 boxes to add 2 tens.

Great job! You will need to go down 2 boxes to add 2 tens.

Sorry, that was not correct. You will need to go down 2 boxes to add 2 tens.

Which chart matches the addition strategy?

Number line showing a plus 10 arrow from 37 to 47, plus one arrows from 47-48 and 48-49 with 49 circled

  1. Hundreds chart with 38 and 48-50 highlighted and 50 circled
  2. Hundreds chart with 38, 47 and 48 highlighted and 48 circled

Sorry, that was not the correct hundred chart.

Way to go! That is the correct hundred chart!

Sorry, that was not the correct hundred chart.

Which addition sentence matches the hundred chart?

Hundreds chart with 67 and 77-79 highlighted and 79 circled

  1. 67

    + 11

    78

  2. 76

    + 12

    88

Sorry, that is not the correct addition sentence.

Sorry, that is not the correct addition sentence.

Yes! That is the correct addition sentence.

What is the sum of 24 + 33?

Hundreds chart with 24, 34, 44, and 54-57 highlighted and 57 circled

  1. 58
  2. 75

Sorry, that was not right. 24 + 33 = 57.

That’s right! 24 + 33 = 57.

Sorry, that was not right. 24 + 33 = 57.

How do you add 8 ones on a hundred chart?

  1. go up 8
  2. go left 8

Sorry, that was not correct. You will need to go to the right 8 boxes.

Sorry, that was not correct. You will need to go to the right 8 boxes.

Great job! You will need to go to the right 8 boxes.

Which chart matches the addition strategy?

Blocks showing 25 plus 44

  1. Hundreds chart with 24, 34, 44, 54, and 64-69 highlighted and 69 circled
  2. Hundreds chart with 35, 45, 55, and 65-69 highlighted and 69 circled

Way to go! That is the correct hundred chart!

Sorry, that was not the correct hundred chart.

Sorry, that was not the correct hundred chart.

Which addition sentence matches the hundred chart?

Hundreds chart with 43, 53, 63, 73, 83, and 93-99 highlighted and 99 circled

  1. 42

    + 56

    98

  2. 43

    + 53

    96

Sorry, that is not the correct addition sentence.

Sorry, that is not the correct addition sentence.

Yes! That is the correct addition sentence.

What is the sum of 41 + 44?

Hundreds chart with 41, 51, 61, 71, and 81-85 highlighted and 85 circled

  1. 58
  2. 86

That’s right! 41 + 44 = 85.

Sorry, that was not right. 41 + 44 = 85.

Sorry, that was not right. 41 + 44 = 85.

Which addition sentence matches the hundred chart?

Hundreds chart with 42, 52, 62, 72, 82, and 92-93 highlighted and 93 circled

  1. 43

    + 51

    94

  2. 42

    + 53

    95

Yes! That is the correct addition sentence.

Sorry, that is not the correct addition sentence.

Sorry, that is not the correct addition sentence.

What is the sum of 18 + 61?

Hundreds chart with 18, 28, 38, 48, 58, 68, and 78-79 highlighted and 79 circled

  1. 97
  2. 78

Sorry, that was not right. 18 + 61 = 79.

That’s right! 18 + 61 = 79.

Sorry, that was not right. 18 + 61 = 79.

Summary

Questions answered correctly:

Questions answered incorrectly: