Rangi: Rounding Numbers

Friday, 26 October 2018

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………..

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.

Rangi