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  1. Fill ‘er Up By Jan Bryson and Andrew Derer

  2. How many ounces does it take to fill these containers? • School Milk Carton • Water Bottle • Quart Milk Container • Gallon Jug

  3. Today we are going to… • Predict the volume of several glasses • Find the actual volume in ounces of the glasses • Graph the results of our findings • And solve a few problems that deal with volume Have fun!

  4. Making a Prediction • Today you are going to predict the volume of several containers. • Let’s start by doing one together. • How much water can this container hold (in ounces)? When I pass out your Data Collection Sheet, write your prediction in the space for model #1.

  5. Collecting Data 1st step: Select groups of 3 or 4 2nd step: Gather your materials: • Metal Tray (all pouring occurs here) • Mesh bag with 5 cups in it • Pencil and Data Sheet 3rd step: Make your predictions and graphlike this…

  6. Sample Graph Ounces Prediction Actual

  7. Collecting Data 4th step: Choose a measuring device to fill your containers 5th step: Get your water This is all the water you get Remember to take all readings on a flat surface (Taking a reading while the pitcher is in the air can be very inaccurate.)

  8. Collecting Data If you pour water into glass #4 and you have some left over in the measuring pitcher, yet you want to measure how much water you put in #4, what can you do? Also, please remember there are two sides to the measuring pitcher, one ounces and the other metric.

  9. Completing the chart Completing the chart can be done with a proportion Remember the containers we looked at from the beginning of class? They can be used to help us fill in our chart. Let work one together…

  10. oz. Ounces or Example: 20 oz. 32 oz. = 1 qt.

  11. Completing the chart 20 oz. 32 oz. = ? qts. 1 qt.

  12. Completing the chart 20 oz. 32 oz. = ? qts. 1 qt. Multiply the two numbers that are diagonal to one another 1 x 20 = 20 And divide that answer by the other, unused number 20 ÷ 32 = 20/32 = 5/8

  13. Drawing Conclusions Looking at your chart and graph, what can you conclude about all drinking glasses? How would you check this conclusion?

  14. Wrapping it up Is it easy to know the volume of the containers by looking at them? Do containers of the same height hold the same amount? This is a good one to try at home and compare the results to the result we found today.

  15. Questions? Thank you