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MATH GAME / ESTIMATING MADE BY KATHERINE CHAPTER 4 Instructions NextNext:

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INSTRUCTIONS INTRODUCTION This game is a practice to round off. All you have to do is read the description and answer the question correctly. DEFINITION OF ROUNDING ROUNDING MEANS REDUCING THE DIGITS IN A NUMBER WHILE TRYING TO KEEP ITS VALUE SIMILAR. THE RESULT IS LESS ACCURATE, BUT EASIER TO USE. THIS IS THE COMMON METHOD * DECIDE WHICH IS THE LAST DIGIT TO KEEP * INCREASE IT BY 1 IF THE NEXT DIGIT IS 5 OR MORE (THIS IS CALLED ROUNDING UP) * LEAVE IT THE SAME IF THE NEXT DIGIT IS LESS THAN 5 (THIS IS CALLED ROUNDING DOWN) EXAMPLE: 243 ROUNDED TO THE NEAREST TEN IS 240 (BECAUSE 3 IS LESS THAN 5) MATHSISFUN.COM Back Back :

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QUESTION 1 Round off to nearest 10 598 580590 610600

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CORRECT GOOD JOB! Next:

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WRONG 590…591…592…593…594…595…596…597… 598 … 599… 600 Next: 8 2 2 is smaller that 8 so we have to go with 600

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QUESTION 2 Round off to nearest 100 decimal 19.5857287 19.5919.586 19.588 19.685

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CORRECT GOOD JOB! Next:

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WRONG Next: Try again

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QUESTION 3 Round off to nearest 100 th number 13’484 13’490 13’584 13’500 13’400

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CORRECT GOOD JOB! Next:

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WRONG Next: Try again

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QUESTION 4 Round off to nearest 1000 th number 762’342 763’000 763’342 762’000 762’342

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CORRECT GOOD JOB! Next:

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WRONG Next: Try again

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QUESTION 5 Round off to nearest 1 th number 13.873 14.873 13 13.9 14

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CORRECT GOOD JOB! Next:

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WRONG Next: Try again

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QUESTION 6 Round off to nearest 5 th number 36 40 30 35 45

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CORRECT GOOD JOB! Next:

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WRONG Next: Try again

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QUESTION 7 Round off to nearest 10’000 th number 762’342 770’000 763’000 760’000 763’000

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CORRECT GOOD JOB! Next:

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WRONG Next: Try again

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QUESTION 8 Round off to nearest 50 th number 89’640 89’600 89’700 89’650 89’645

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CORRECT GOOD JOB! Next:

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WRONG Next: Try again

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QUESTION 9 Round off to nearest 100 th Decimal 1347.972 1348.0 1347.96 1347.98 1347.97

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CORRECT GOOD JOB! Next:

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WRONG Next: Try again

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QUESTION 10 Round off to nearest 1000 th Decimal.76261.76361.762.763.761

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CORRECT GOOD JOB! Next:

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WRONG Next: Try again

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END THANK YOU FOR PLAYING! I HOPE YOU LIKED IT

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