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1. What is 7.445 rounded to the nearest tenths?
2. What is 7.999 rounded to the nearest tenths?
3. What is $5.68 rounded to the hearts ones?
4. What is 10.49 rounded to the nearest ones?
5. What is 2.499 rounded to the nearest hundredths?
6. What is 40.458 rounded to the nearest hundredths?
7. What is 5.4572 rounded to the nearest thousandths?
8. What is 45.0099 rounded to the nearest thousandths?
9. What is 9.56303 rounded to the nearest ten-thousandths?
10. What is 988.08055 rounded to the hearts ten-thousandths?
11. What is $87.09 rounded to the besets tens?
12. What is 1,567.893 rounded to the nearest tens?

Sagot :

rickyboedeker
When you are rounding to a certain place value, first identify the place value you are rounding to by underlining it.  The digit to the immediate right of that number will determine whether you add 1 to the underlined digit or it remains the same.

For example....

1.  7.445 rounded to the nearest tenth.  Underline the first 4 after the decimal and circle the 4 that is to the right.  Answer this question....is the number that is circled 5 or greater?  If the answer is YES, add one to the underlined digit.  If the answer is NO, leave the underlined number the same and change all remaining digits to the right of it to ZERO.  Most of the time, those ZEROs will simply vanish because they are unnecessary.....

7.445 = 7.4 rounded.

2.  7.999 rounded to the nearest tenth.  This one is a bit trickier....but you'll still follow the same process.  Underline the first 9 next to the decimal and circle the 9 immediately to the right.  The answer to the question is yes, so you'll add one to the underlined digit.  This will cause it to become a zero and you'll add 1 to your whole number.  BUT....keep that 0 there because it's in the tenths place.  All of the other digits will vanish.  

7.999 = 8.0 rounded.

Follow that same process for the remainder of your questions and you will have mastered the art of ROUNDING!!!! 

Hope that's clear and GOOD LUCK!
Hilda1383
      Key: Always look at the back of what you are rounding to, to be able to           round your numbers.

1.)  7.445 rounded to the nearest tenths is 7.4. How I got it was looking at what in the back of the number i'm rounding to.

2.) 7.999 rounded to the nearest tenths place is 8.0. How I got was looking at what in the back of the number i'm rounding to. The 9 in the hundredths place had pushed the 9 in the tenths place witch had also pushed the 7 in the ones place.( The tenths place is zero).

3.) $5.68 rounded to the nearest hearts ones is $6. How I got it was looking at what in the back of what i'm rounding to.

4.) 10.49 rounded to the nearest ones is 10. How I got it was looking at my tenths place. (The 4 couldn't push the number 0 to 1).

5.) 2.499 rounded to the nearest hundredths place is 2.50. How I got it was looking at what in the back of what i'm rounding to.

6.) 40.458 rounded to the nearest hundredths place is 40.46. How I got it was looking at what in the back of what i'm rounding to.

7.) 5.4572 rounded to the nearest thousandths place is 5.457. How I got it was looking at what in the back of what i'm rounding to.

8.) 45.0099 rounded to the nearest thousandths place is 45. How I got was looking at what in the back of what i'm rounding to. Because the 9 in the ten-thousandths place had moved the 9 i the thousandths place to a zero, it had cost all of the numbers from the tenths place to the ten-thousandths place to change into a zero.

9.) 9.56303 rounded to the nearest ten-thousandths place is 9.563.How I got it was looking at what in the back of what i'm rounding to. Because the three couldn't move up the 0, it is then 9.563.

10.) 988.08055 rounded to the hearts ten-thousandths place is 988.0806.How I got was looking at what in the back of what i'm rounding to.  

11.)  $87.09 rounded to the besets tens place is $9. How I got it was looking at what in the back of what i'm rounding to.( The seven had moved up the 8 to 9).

12.) 1,567.893 rounded to the nearest tens place is 1,570. How I got it was looking at what in the back of what i'm rounding to.( The 7 had rounded the 6 up to 7).
          All underlined numbers are the regular number that is meant to be             rounded. 



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