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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 do not know an answer.

Which array matches the dice?

top of two dice both showing 5 dots

  1. 4 by 5 array of blue dots
  2. 3 by 5 array of blue dots

Sorry, that is not the correct array.

Sorry, that is not the correct array.

Yes! That is the correct array.

Which skip-counting sequence matches the array?

3 by 5 array of blue dots

  1. 2, 4, 6
  2. 5, 10

Great job! There are 3 rows of 5. We will skip count by 5s three times.

Sorry, that is not right. There are 3 rows of 5. We will skip count by 5s three times.

Sorry, that is not right. There are 3 rows of 5. We will skip count by 5s three times.

Which sentences match the array?

2 by 5 array of blue dots

  1. 5 + 5 + 5 = ?

    3 x 5 = ?

  2. 5 + 5 + 5 + 5 = ?

    4 x 5 = ?

That is right! 5 + 5 = ? and 2 x 5 = ? match the array.

Sorry, that is not right. 5 + 5 = ? and 2 x 5 = ? match the array.

Sorry, that is not right. 5 + 5 = ? and 2 x 5 = ? match the array.

What is the total number?

3 by 5 array of blue dots

5 + 5 + 5 = ?

3 x 5 = ?

  1. 6
  2. 10

Sorry, that is not correct. 5 + 5 + 5 = 15 and 3 x 5 = 15.

Sorry, that is not correct. 5 + 5 + 5 = 15 and 3 x 5 = 15.

Excellent! 5 + 5 + 5 = 15 and 3 x 5 = 15.

Which array matches the dice?

top of 3 dice each showing 5 dots

Sorry, that is not the correct array.

Yes! That is the correct array.

Sorry, that is not the correct array.

Which skip-counting sequence matches the array?

4 by 5 array of blue dots

  1. 5, 10, 15
  2. 2, 4, 6, 8

Sorry, that is not right. There are 4 rows of 5. We will skip count by 5s four times.

Sorry, that is not right. There are 4 rows of 5. We will skip count by 5s four times.

Great job! There are 4 rows of 5. We will skip count by 5s four times.

Which sentences match the array?

4 by 5 array of blue dots

  1. 5 + 5 + 5 + 5 + 5 = ?

    5 x 5 = ?

  2. 5 + 5 + 5 = ?

    3 X 5 = ?

Sorry, that is not right. 5 + 5 + 5 + 5 = ? and 4 x 5 = ? match the array.

That is right! 5 + 5 + 5 + 5 = ? and 4 x 5 = ? match the array.

Sorry, that is not right. 5 + 5 + 5 + 5 = ? and 4 x 5 = ? match the array.

What is the total number?

4 by 5 array of blue dots

5 + 5 + 5 + 5 = ?

4 x 5 = ?

  1. 10
  2. 15

Sorry, that is not correct. 5 + 5 + 5 + 5 = 20 and 4 x 5 = 20.

Sorry, that is not correct. 5 + 5 + 5 + 5 = 20 and 4 x 5 = 20.

Excellent! 5 + 5 + 5 + 5 = 20 and 4 x 5 = 20.

Which sentences match the array?

5 by 5 array of blue dots

  1. 5 + 5 + 5 + 5 = ?

    4 x 5 = ?

  2. 5 + 5 + 5 = ?

    3 x 5 = ?

That is right! 5 + 5 + 5 + 5 + 5 = ? and 5 x 5 = ? match the array.

Sorry, that is not right. 5 + 5 + 5 + 5 + 5 = ? and 5 x 5 = ? match the array.

Sorry, that is not right. 5 + 5 + 5 + 5 + 5 = ? and 5 x 5 = ? match the array.

What is the total number?

5 by 5 array of blue dots

5 + 5 + 5 + 5 + 5 = ?

5 x 5 = ?

  1. 15
  2. 20

Sorry, that is not correct. 5 + 5 + 5 + 5 + 5 = 25 and 5 x 5 = 25.

Excellent! 5 + 5 + 5 + 5 + 5 = 25 and 5 x 5 = 25.

Sorry, that is not correct. 5 + 5 + 5 + 5 + 5 = 25 and 5 x 5 = 25.

Summary

Questions answered correctly:

Questions answered incorrectly: