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![](../../../img/headers/discuss.png)
Three students in Mrs. Dewey's room made mystery jars for homework and brought them to class. Mrs. Dewey made a mystery jar of centimeter connecting cubes.
![](../../../img/g4/unit06/SG_G4_U6_L06_A07.png)
Linda and Romesh estimated the number of objects in each jar and recorded their estimates in data tables. Here are Linda's estimates:
![](../../../img/g4/unit06/SG_G4U6L6V3_FIGC02_revised.png)
- The actual number of marbles is 142. The actual number of marshmallows is 38.
- What is the difference between Linda's estimate of the number of marbles and the actual number?
- What is the difference between Linda's estimate of the number of marshmallows and the actual number?
- Is Linda's estimate for the number of marbles better than her estimate for the number of marshmallows? Why or why not?