Ext. 9.9.15 Ch1.2 Irrational Numbers. Day 2.notebook 9/9 September 09, 2015 Bellwork Without a calculator, simplify the following: When you have finished, go get your calculator and check your answers. P r e ­ A l g e b r a Questions on the Homework? P r e ­ A l g e b r a Ext. 9.9.15 Ch1.2 Irrational Numbers. Day 2.notebook September 09, 2015 Think of a _________________ and write it down. Now convert that to a fraction. (terminating decimal) Think of a _________________ and write it down. Now convert that to a fraction. (repeating decimal) Think of an _________________ and write it down. Now convert that to a fraction. (integer) P r e ­ A l g e b r a A perfect square is a number that when you take the square root of it, the answer is an integer value The square root of a number is another number that when multiplied by itself is equal to the given number P r e ­ A l g e b r a Ext. 9.9.15 Ch1.2 Irrational Numbers. Day 2.notebook An irrational number is A real number is September 09, 2015 a number that cannot be written as a fraction the set of rational and irrational numbers P r e ­ A l g e b r a The formula S.A. = 13r2 gives the approximate surface area (S.A.) in square units of a sphere with radius 3. Find the radius of a sphere with surface area 650 square units. P r e ­ A l g e b r a Ext. 9.9.15 Ch1.2 Irrational Numbers. Day 2.notebook September 09, 2015 Is each real number rational or irrational? P r e ­ A l g e b r a rational irrational P r e ­ A l g e b r a Ext. 9.9.15 Ch1.2 Irrational Numbers. Day 2.notebook Let's practice. P r e ­ A l g e b r a Homework: P r e ­ A l g e b r a September 09, 2015 Attachments Class Expectations 2010­2011 PreAlgebra.doc