Answers to Chapter Review- 6th and 7th grade

Hello all,


Please use the gold review sheets that I gave you to prepare for the test! I am posting the answers to the problems assigned in class today. If you did not finish them, it would be a great review to finish tonight- then check your answers here. 


Review session tomorrow at 8:10 in my room- both grades.


6th grade: pg. 198 - 199 (selected problems)
7.) Composite: 1, 3, 9, 27    9.) Prime: 1, 43    15.) GCF = 6     
21.) GCF = 48    24.) answers will vary, 30/50, 6/10, 9/15, etc.    25.) answers will vary, 2/3, 4/6, 60/90, etc.   29.) LCM = 40
33.) LCM = 405   38.) 1/2, 8/15, 2/3, 7/10      41.)<   42.) >   
43.) >   44.) =
46.) 3/4               48.) 5 and 1/8    50.) 1.83 (bar over the 3)  
52.) 0.48


7th grade: pg. 212- 213 (selected problems)  *** This sign ^ means the number after it is an exponent. Example 5m^2 means 5m squared


18.) GCF = 28     22.) 2st^3     24.) -2/5     26.) 8/3 or 3 and 2/3    33.) LCM = 25m^2n^4
34.) 42p^2q^3r^4    36.) >  37.)<   38.) =    39.) >   41.) 8^4    42.) 2^7     43.) 7^2
44.) 5^3    45.) 7/x^4    46.) 1/a^2     47.) 1/3w^8       48.)  4/r^5