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Fracciones
Matemáticas
Middle School Math
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Name _____________________________
Date ___________________
Fracciones
Completa.

1.  Un incendio forestal reciente cerca de Villapequeña destruyótwo-fifthsof the trees in Bigtree National Forest. The forest covers3730km2. There is now about50toneladas de madera recuperable por kilómetro2in the burned area. The part of the forest that was not destroyed by fire will not be open to the salvagers. Assuming the trees are evenly distributed throughout the park, about how long will it take to remove all the salvageable wood at a rate of52 1/4tons per day? Round your answer to the nearest whole number.

2.  Some sea turtles can swim ten100times faster than tortoises can walk. Based on this information, if a sea turtle can swim at a rate of25MPH, at what rate can some tortoises walk? Express your answer as a fraction.

3.  * Esta es una hoja prehecha.
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4.  In an introductory biology lab, students are asked to determine the average length of the red earthworm. Working in teams, they reported the data in Table 1. At the end of the experiment, the teams combined their data to find the overall average. What was the overall average? Round your answer to the nearest tenth.
Table 1
Team #Average length (cm)# of worms measured
16 1/65
26 1/43
38 5/93


5.  Ifone-fifthof all type-Y organisms are bristly andsix-seventhsof all type-Y organisms are wrinkly, what is the maximum number of type-Y organisms that are neither bristly nor wrinkly out of a sample population of1,556?

6.  En una manada de989cebras, aproximadamentemediade un por ciento de todos los animales se lastiman cruzando un arroyo. ¿Cuántos están lastimados?



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suscriptores de edHelper - Cree un imprimible nuevo
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Fracciones
Matemáticas
Middle School Math
Fracciones

This worksheet still contains English.
edHelper is working on the translation