Friday, 22 September 2017

Rounding Prices

Minds On Question


Modified Minds On Question



Students' Response






Notice the different strategies used by students. 

- Add all the prices, then round off the answer ($12, 479) to the nearest ten thousands ($12,000)

- Round off the total ($12, 479) to the nearest thousands, hundreds and tens
$12, 000  (1000s)                  $12, 500 (100s)                                 $12, 480 (10s)

- Round off each price individually then add to find the answer
$2,473 rounded off to the nearest thousands - $2,000
$6,923 rounded off to the nearest thousands - $7,000
$3,083 rounded off to the nearest thousands - $3,000

                                                              Total: $12,000















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