Allday Education

Free Evaluating Logarithms Worksheet

Ten evaluate-a-logarithm problems with an exact answer key, ready to print.

Answer key included
Name: Date:
Evaluating Logarithms
1.
log⁡67776\log_{6} 7776
2.
log⁡41024\log_{4} 1024
3.
log⁡7117649\log_{7} 117649
4.
log⁡959049\log_{9} 59049
5.
log⁡53125\log_{5} 3125
6.
log⁡84096\log_{8} 4096
7.
log⁡99\log_{9} 9
8.
log⁡44096\log_{4} 4096
9.
log⁡381\log_{3} 81
10.
log⁡636\log_{6} 36
Andy · alldayeverydaymath.com
Name: Answer KeyDate:
Evaluating Logarithms
1.
log⁡67776\log_{6} 7776
Answer: 55
2.
log⁡41024\log_{4} 1024
Answer: 55
3.
log⁡7117649\log_{7} 117649
Answer: 66
4.
log⁡959049\log_{9} 59049
Answer: 55
5.
log⁡53125\log_{5} 3125
Answer: 55
6.
log⁡84096\log_{8} 4096
Answer: 44
7.
log⁡99\log_{9} 9
Answer: 11
8.
log⁡44096\log_{4} 4096
Answer: 66
9.
log⁡381\log_{3} 81
Answer: 44
10.
log⁡636\log_{6} 36
Answer: 22
Andy · alldayeverydaymath.com

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About this worksheet

Students evaluate logarithms by asking what power gives the number — the inverse of exponentials. The reading-a-log fluency before the log rules and exponential equations.

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