Posted by **bb** on Wednesday, December 8, 2010 at 8:32pm.

Choose some numbers and work in a small group to

figure out how to apply the tests for divisibility by 4, 6,

7, 8, 9, and 11 given on pp. 211–214.

a. Use a calculator to select some numbers that are and

some that aren’t divisible by these numbers. Give an

example to show that each test works.

b. Write an answer to the question, “Which tests, if

any, are interesting but too complicated to be of

much practical value in checking divisibility?”

Present your conclusions and reasons for your

choices.

## Answer this Question

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