11/10/2011 68 Math Vocabulary quadrilateral – a four-sided polygon. Squares, rhombus – a parallelogram whose four sides are rectangles, trapezoids, parallelograms, and rhombuses are all quadrilaterals. congruent and whose opposite angles are congruent.
ON YOUR OWN TIME MAKE SURE YOU PUT TODAYS WORDS IN THE PROPER PLACES IN YOUR INDEX.
11/10/2011 69 Guided Question Jill has a bag with 20 tiles numbered 1 to 20. If she picks out 1 tile without looking, what is the probability that the number on the tile will be an even number?
This is a probability question. Your answer will be in ____ out of ____ form. The first blank stands for what you are looking for – the EVEN tiles. There are 10 even tiles. The second blank stands The Answer is 10 out of 20 for ALL the tiles. There are 20 tiles in all. Put it all together and your answer is 10 out of 20.