Today in class we worked on the foldable, with;
estimating square roots
And just because this post doesn't seem long enough..... Text book work......
9) a)100 square units b)256 square units
11) a)81 b)12117)54=2x3x3x3; 54 isn't a perfect square 'cause it has an odd number of factors of 2 and 3
21)a)56m b)7 by 8 c) No, because the side lenth isn't a whole number.