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Jerome carefully added a rock to the graduated cylinder.
![](../../../img/g4/unit13/SG_G4U13V3_L1_FIGC01.png)
He then calculated the volume.
![](../../../img/g4/unit13/SG_G4U13V3_L1_FIGC02.png)
- How can Jerome check the reasonableness of his volume measurement? [Hint: Use Question 4.]
Use the Estimating and Measuring Volume pages in the Student Activity Book to practice finding the volume of objects using displacement.