Using our totals for each color, we found the fraction, decimal, and percentage of each color found in our 57 boxes of candy.
We compared the 5th grade percentages to the percentages we found using only our classroom data. We found that the percentages were really very close. However, this information is based on each box having 100 candies in it. We want to know how many of each color there might be in a box with only 29 candies.
We placed our predictions in a table and I opened a new box in front of the class. We compared our predictions to the actual number in the new box. Here are our results:
Finally, the kids wrote to me explaining how the predictions compared to the actual count. We did discuss that there is an element of machine error with the number of each color placed in a box (there isn't someone counting each color out) and we discussed that the reason that there should be an approximate total number of candies is that each box is packaged by WEIGHT. Therefore there might be a small variance in total, but not by many (some candies are more dense than others).
Tomorrow, we will combine the data from the three new boxes and see if the predictions are any closer.
HOMEWORK: Countdown 4.4