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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.

What is the sum of 24 + 12?

Number line: 20 through 40. There are 12 jumps from 24 to 36, and 36 is circled.

  1. 24
  2. 40

Great job! 24 + 12 = 36.

Sorry, that’s not correct. 24 + 12 = 36.

Sorry, that’s not correct. 24 + 12 = 36.

Which number do you start jumping from to add 17 + 5?

  1. 10
  2. 5

Sorry, that’s not right. In order to add 5 + 17, you need to begin jumping from 17.

That’s right! In order to add 5 + 17, you need to begin jumping from 17.

Sorry, that’s not right. In order to add 5 + 17, you need to begin jumping from 17.

Which number line would help you solve 76 + 1?

  1. Number line: 40 through 60. There is one jump from 43 to 54 and 54 is circled in red.
  2. Number line: 60 through 70. There is 5 jumps from 78 to 83 and 83 is circled in red.

You got it! This number line will help you solve 76 + 1.

Sorry, this number line won’t help you solve 76 + 1.

Sorry, this number line won’t help you solve 76 + 1.

What is the sum of 22 + 6?

Number line: 20 through 40. There are 6 jumps from 22 to 28, and 28 is circled in red.

  1. 29
  2. 21

Sorry, that’s not correct. 22 + 6 = 28.

Sorry, that’s not correct. 22 + 6 = 28.

Great job! 22 + 6 = 28.

Which number do you start jumping from to add 41 + 2?

  1. 37
  2. 19

Sorry, that’s not right. In order to add 41 + 2, you need to begin jumping from 41.

That’s right! In order to add 41 + 2, you need to begin jumping from 41.

Sorry, that’s not right. In order to add 41 + 2, you need to begin jumping from 41.

Which number line would help you solve 65 + 7?

  1. Number line: 40 through 60. There are 8 jumps from 45 to 53, and 53 is circled in red.
  2. Number line: 70 through 90. There are 3 jumps from 75 to 78, and 78 is circled in red.

Sorry, this number line won’t help you solve 65 + 7.

Sorry, this number line won’t help you solve 65 + 7.

You got it! This number line will help you solve 65 + 7.

What is the sum of 30 + 3?

Number line: 20 through 40. There are 3 jumps from 30 to 33, and 33 is circled in red.

  1. 37
  2. 32

Great job! 30 + 3 = 33.

Sorry, that’s not correct, 30 + 3 = 33.

Sorry, that’s not correct, 30 + 3 = 33.

Which number do you start jumping from to add 6 + 24?

  1. 6
  2. 5

That’s right! In order to add 6 + 24, you need to begin jumping from 24.

Sorry, that’s not right. In order to add 6 + 24, you need to begin jumping from 24.

Sorry, that’s not right. In order to add 6 + 24, you need to begin jumping from 24.

Which number line would help you solve 17 + 12?

  1. Number line: 10 through 30. There are 7 jumps from 15 to 22, and 22 is cirlced in red.
  2. Number line: 40 through 60. There are 13 jumps from 43 to 56, and 56 is cirlced in red.

Sorry, this number line won’t help you solve 17 + 12.

Sorry, this number line won’t help you solve 17 + 12.

You got it! This number line will help you solve 17 + 12.

What is the sum of 42 + 4?

Number line: 35 through 55. There are 4 jumps from 42 to 46, and 46 is circled in red.

  1. 24
  2. 38

Sorry, that’s not correct. 42 + 4 = 46.

Great job! 42 + 4 = 46.

Sorry, that’s not correct. 42 + 4 = 46.

Summary

Questions answered correctly:

Questions answered incorrectly: