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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!

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.

Which addition sentences are in the same fact family?

12 + 18 = 30

18 + ___ = 30

  1. 30
  2. 10

Sorry, that’s not correct. The missing number is 12.

That’s right! The missing number is 12.

Sorry, that’s not correct. The missing number is 12.

What addition sentence belongs in this fact family?

triangle outline with 3 spaces in each corner. At the top corner it shows 49, in the bottom left corner, it shows 22. And, in the right corner, it shows 27. There is also an equation, in the middle, that states: 22 + 27 = 49. And, under that: __ + __ = __

  1. 13 + 44 = 57
  2. 1 + 7 = 8

Sorry, this addition sentence does not belong in this fact family.

You got it! This addition sentence belongs in this fact family.

Sorry, this addition sentence does not belong in this fact family.

Which addition sentences are in the same fact family?

  1. 14 + 10 = 24

    10 + 10 = 20

  2. 12 + 44 = 56

    44 + 4 = 48

Correct! These addition sentences are in the same fact family.

Sorry, these addition sentences are not in the same fact family.

Sorry, these addition sentences are not in the same fact family.

What is the missing number in this fact family?

___ + 67 = 87

67 + 20 = 87

  1. 11
  2. 30

Sorry, that’s not correct. The missing number is 20.

Sorry, that’s not correct. The missing number is 20.

That’s right! The missing number is 20.

What addition sentence belongs in this fact family?

triangle outline with 3 spaces in each corner. At the top corner it shows 47, in the bottom left corner, it shows 14. And, in the right corner, it shows 33. There is also an equation, in the middle, that states: 14 + 33 = 47. And, under that: __ + __ = __

  1. 30 + 44 = 74
  2. 33 + 10 = 43

You got it! This addition sentence belongs in this fact family.

Sorry, this addition sentence does not belong in this fact family.

Sorry, this addition sentence does not belong in this fact family.

Which addition sentences are in the same fact family?

  1. 22 + 10 = 32

    1 + 9 = 10

  2. 17 + 11 = 28

    60 + 13 = 73

Sorry, these addition sentences are not in the same fact family.

Correct! These addition sentences are in the same fact family.

Sorry, these addition sentences are not in the same fact family.

What is the missing number in this fact family?

12 + 82 = 94

82 + 12 = ___

  1. 22
  2. 57

That’s right! The missing number is 94.

Sorry, that’s not correct. The missing number is 94.

Feedback

What addition sentence belongs in this fact family?

triangle outline with 3 spaces in each corner. At the top corner it shows 48, in the bottom left corner, it shows 16. And, in the right corner, it shows 32. There is also an equation, in the middle, that states: 16 + 32 = 48. And, under that: __ + __ = __

  1. 11 + 37 = 48
  2. 22 + 14 = 36

Sorry, this addition sentence does not belong in this fact family.

Sorry, this addition sentence does not belong in this fact family.

You got it! This addition sentence belongs in this fact family.

Which addition sentences are in the same fact family?

  1. 28 + 10 = 38

    38 + 31 = 69

  2. 11 + 86 = 97

    34 + 15 = 49

Sorry, these addition sentences are not in the same fact family.

Sorry, these addition sentences are not in the same fact family.

Correct! These addition sentences are in the same fact family.

What is the missing number in this fact family?

30 + ___ = 75

45 + 30 = 75

  1. 25
  2. 49

Sorry, that’s not correct. The missing number is 45.

That’s right! The missing number is 45.

Sorry, that’s not correct. The missing number is 45.

Summary

Questions answered correctly:

Questions answered incorrectly: