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Assess Yourself

How well do you understand the ideas in this lesson?

Goal:

Goal:

Show What You Know!

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 division sentence is in the same family as 2 x 2 = 4?

  1. 2 x 4 = 8
  2. 16 / 4 = 4

Sorry, that is not right. 2 x 2 = 4 and 4 / 2 = 2 are in the same family.

That is right! 2 x 2 = 4 and 4 / 2 = 2 are in the same family.

Sorry, that is not right. 2 x 2 = 4 and 4 / 2 = 2 are in the same family.

Which multiplication sentence is in the same family as 6 / 3 = 2?

  1. 6 / 1 = 6
  2. 3 x 3 = 9

Sorry, that is incorrect. 6 / 3 = 2 and 3 x 2 = 6 are in the same family.

Sorry, that is incorrect. 6 / 3 = 2 and 3 x 2 = 6 are in the same family.

Great job! 6 / 3 = 2 and 3 x 2 = 6 are in the same family.

Which fact-family triangle matches these sentences?

3 x 3 = 9

3 x 3 = 9

9 / 3 = 3

9 / 3 = 3

  1. fact family triangle - top: 6, bottom left: 2, bottom right: 3
  2. fact family triangle - top: 18, bottom left: 9, bottom right: 2

Sorry, that is not right. 3, 3, and 9 are the numbers that make up this fact family.

Yes! 3, 3, and 9 are the numbers that make up this fact family.

Sorry, that is not right. 3, 3, and 9 are the numbers that make up this fact family.

What is the correct missing sentence?

fact family triangle - top: 12, bottom left: 4, bottom right: 3. 4 x 3 = 12, ___ x ___ = ___, 12 / 4 = 3, 12 / 3 = 4

  1. 3 x 3 = 9
  2. 4 x 4 = 16

Sorry, that is incorrect. 3 x 4 = 12 is the correct missing sentence.

Sorry, that is incorrect. 3 x 4 = 12 is the correct missing sentence.

Excellent! 3 x 4 = 12 is the correct missing sentence.

Which division sentence is in the same family as 3 x 5 = 15?

  1. 3 x 3 = 9
  2. 10 / 5 = 2

Sorry, that is not right. 3 x 5 = 15 and 15 / 5 = 3 are in the same family.

Sorry, that is not right. 3 x 5 = 15 and 15 / 5 = 3 are in the same family.

That is right! 3 x 5 = 15 and 15 / 5 = 3 are in the same family.

Which multiplication sentence is in the same family as 18 / 2 = 9?

  1. 20 / 2 = 10
  2. 9 x 1 = 9

Great job! 18 / 2 = 9 and 9 x 2 = 18 are in the same family.

Sorry, that is incorrect. 18 / 2 = 9 and 9 x 2 = 18 are in the same family.

Sorry, that is incorrect. 18 / 2 = 9 and 9 x 2 = 18 are in the same family.

Which fact-family triangle matches these sentences?

4 x 5 = 20

5 x 4 = 20

20 / 4 = 5

20 / 5 = 4

  1. fact family triangle - top: 16, bottom left: 4, bottom right: 4
  2. fact family triangle - top: 25, bottom left: 5, bottom right: 5

Sorry, that is not right. 4, 5, and 20 are the numbers that make up this fact family.

Sorry, that is not right. 4, 5, and 20 are the numbers that make up this fact family.

Yes! 4, 5, and 20 are the numbers that make up this fact family.

What is the correct missing sentence?

fact family triangle - top: 24, bottom left: 3, bottom right: 8. 3 x 8 = 24, 8 x 3 = 24, ___ / ___ = ___, 24 / 8 = 3

  1. 8 x 3 = 24
  2. 4 x 6 = 24

Excellent! 24 / 3 = 8 is the correct missing sentence.

Sorry, that is incorrect. 24 / 3 = 8 is the correct missing sentence.

Sorry, that is incorrect. 24 / 3 = 8 is the correct missing sentence.

Which fact-family triangle matches these sentences?

6 x 4 = 24

4 x 6 = 24

24 / 6 = 4

24 / 4 = 6

  1. fact family triangle - top: 16, bottom left: 4, bottom right: 4
  2. fact family triangle - top: 18, bottom left: 6, bottom right: 3

Sorry, that is not right. 6, 4, and 24 are the numbers that make up this fact family.

Yes! 6, 4, and 24 are the numbers that make up this fact family.

Sorry, that is not right. 6, 4, and 24 are the numbers that make up this fact family.

What is the correct missing sentence?

fact family triangle - top: 25, bottom left: 5, bottom right: 5. 5 x 5 = 25, 5 x 5 = 25, 25 / 5 = 5, ___ / ___ = ___

  1. 24 / 3 = 8
  2. 5 x 5 = 25

Sorry, that is incorrect. 25 / 5 = 5 is the correct missing sentence.

Sorry, that is incorrect. 25 / 5 = 5 is the correct missing sentence.

Excellent! 25 / 5 = 5 is the correct missing sentence.

Summary

Questions answered correctly:

Questions answered incorrectly: