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Friday 26 October 2018

Rounding Numbers

Round number 26/10/18


WALT - Do rounding numbers
4,897,542. 854


Success Criteria -
  • I must identify the place value
  • I must identify the value
  • I must know how to use the place value
  • A number that is less than five I must round down and if a number is bigger than five I must round up.


Round the number above to the………..


  • Nearest thousands
  • Nearest tenths
  • Nearest ten thousands
  • Nearest hundredths
  • Nearest tens
  • Nearest whole number
  • Nearest hundreds


  1. Nearest thousands


4,897,542. 854 is between 4,897000 and 4,898000
Because 5 is equal to 5 then I must round up to 4,898000


2. Nearest tenths


4,897,542. 854 is between 4,897,542. 800 and 4,897,542.900
Because 5 is equal to 5 i must round up to 4,897,542.900


3. Nearest ten thousands
4,897,542. 854 is between 4,890000 and 4,90.000
Because 7 is bigger than 5 I must round up to 4,90.0000


4. Nearest hundredths
4,897,542. 854 is between 4,897,542. 8540 and 4,897,542. 850
Because 2 is less than 5 I should round down to  4,897,542. 8540


5. Nearest tens - 4,897,542.854
I have to find the nearest tens place which is 4 I replace 2 as a 0
because I am rounding to the nearest ten
I have to choose whether I round up or down, since 2 is less than 5
I would be rounding down, the answer is 4,897,540.


6. Nearest whole number - 4,897,542.854 is between 4,897,543, & 4,897,544
because I am rounding to the nearest whole number
I must choose to round up or down,
since 8 which is the number after the decimal point is greater than 5
I must round up, the answer is 4,897,543.


7. Nearest hundreds - 4,897,542.854
I have to search for the hundreds place which is 5
I replace 4 & 2 as a 0, since I am rounding to the nearest hundred
I have to choose whether I round up or down, since 4 is less than 5
I would be round up, the answer is 4,897,500.

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