Posted by Hero on Wednesday, October 30, 2013 at 5:05pm.
What size rectangular floor can be completely covered by using only 3x3 or 5x5 ft tiles? You can't cut tiles or combine the two tile sizes.

Math  Ms. Sue, Wednesday, October 30, 2013 at 5:07pm
What are the multiples of 3?
What are the multiples of 5?

Math  Hero, Wednesday, October 30, 2013 at 5:31pm
I still don't understand

Math  Ms. Sue, Wednesday, October 30, 2013 at 5:36pm
Mean you can't tell me the multiples of 3?
3, 6, 9, 12, 15, 18, 21, 24, etc.

Math  Hero, Wednesday, October 30, 2013 at 5:45pm
No, like what the answer is.

Math  Ms. Sue, Wednesday, October 30, 2013 at 6:15pm
3 by 3 tiles:
Rectangular rooms could be
6 by 6
6 by 9
9 by 9
9 by 12
12 by 12
9 by 15
12 by 15
15 by 18
12 by 18
15 by 21
and so on
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