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Compensation in Addition — Let's Practice!

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Transcript Compensation in Addition — Let's Practice!

Razzi says get a piece of paper and a pencil ready (...) Because today we're going to practice... Compensation in addition! It's time to begin! Compensation is something given in return for something. Remember, when using compensation in addition, whatever you add to one number you MUST do the opposite for the other number. Let's practice! If Mr. Squeaks has twenty-nine blue flowers and twenty-five red ones, how many does he have in total? Start by choosing which number to make friendlier, or easier to add. Don't forget, whatever you do to one number you MUST do the opposite to the other. Here, you can take one from twenty-five and add it to twenty-nine to make thirty. Did you also get fifty-four? Let's tackle the next problem! If Imani has thirty-four screws and twenty-seven nails, how many are there all together? Don't forget, whatever you do to one number you MUST do the opposite to the other. Here, you can take one from twenty-seven and add it to thirty-four to make thirty-five. Did you also get sixty-one? Let's tackle the next problem! If Mr. Squeaks has fifty-eight red marshmallows and thirty-two blue ones, how many does he have in all? Don't forget, whatever you do to one number you MUST do the opposite to the other. Here, you can take two from thirty-two and add it to fifty-eight to make sixty. Did you also get ninety? Razzi had so much fun practicing with you today! See you next time!

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1 comment
  1. This is the best video in the best app

    From Riley, about 1 year ago

Compensation in Addition — Let's Practice! exercise

Would you like to apply the knowledge you’ve learned? You can review and practice it with the tasks for the video Compensation in Addition — Let's Practice! .
  • What is compensation in addition?

    Hints

    Whatever you do to one number, you must do the opposite to the other number.

    One is compensated on each side to make 29 + 25 friendlier, or easier, to add.

    Solution

    Compensation is something given in return for something.

  • What number is compensated in 18 + 12 = 30?

    Hints

    Use a pencil and paper to work on this problem.

    How can you make 18 + 12 friendlier, or easier, to add together?

    Solution

    The 2 is compensated in this addition problem to make the numbers friendlier, or easier, to add.

  • Complete the addition problem.

    Hints

    Use a pencil and paper. What number do you subtract from 22 to equal 20?

    Use a pencil and paper. What number do you add from 48 to equal 50?

    Solution

    The completed problem is shown here.

  • How many fruits does Kayla have all together?

    Hints

    Use a pencil and paper. What number do you subtract from 33 to equal 32?

    Use a pencil and paper. What number do you add to 49 to equal 50?

    Solution

    Kayla has 82 fruits all together.

  • What number is compensated in this addition problem?

    Hints

    What number do you add to 29 to equal 30?

    What number do you subtract from 25 to equal 24?

    Solution

    1 is compensated in this problem to make the addends friendlier, or easier, to add.

  • Solve the problem using compensation in addition.

    Hints

    Use a pencil and paper. What number do you add to 9 to equal 10?

    Use a pencil and paper. What number do you subtract from 11 to equal 10?

    9 + 11 = 20

    Solution
    • 9 + 11 = 20
    • 28 + 22 = 50
    • 47 + 13 = 60
    • 55 + 25 = 80