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Sixth Grade Challenging Math

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6-36)  A satellite orbits the earth at a height of 325 kilometers. If it makes 11 revolutions around the earth, how many kilometers does it travel? The earth's diameter is 6371 kilometers. Use pi = 3.14

 

6-37) Jessie has some chickens and rabbits. There are 30 heads and 76 legs in all. How many chickens does Jessie have and how may rabbits does Jessie have?


 

 

6-38) Minwen has some lizards and birds. There are 34 heads and 76 legs in all. How many lizards and birds does Minwen have?


 

6-39) It takes 10 workers to machine 150 parts a day. How many workers does it take to machine 60 parts in one day?

 

6-40) It takes Mr. Maple 20 minutes to cut a long stick of bamboo to 5 short pieces. How long does it take Mr. Maple to cut another bamboo stick to 9 pieces?

 

 

 

More challenging math problems for 6th grade:
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   81-90

 

 

 
Free challenging math problems for Kids (1st grade, 2nd grade, 3rd grade, 4th grade, 5th grade, 6 grade and 7th grade) 
This site contains first through seventh grade free math problems with answers that help you with math competitions. Brain teasers, hard math problems that you can practice to prepare for math contests or math competitions such as Math Olympiad Contest, Math Super Bowl and Math Counts

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