Page 68 - Math Course 1 (Book 1)
P. 68

Fractions: Understanding Rational Numbers




                                                        REAL WORLD EXAMPLE
                  4
         Write a              as a decimal. Use a bar to show a   Ms. Brown’s class
                  15
         repeating decimal.                              The results of a poll showed that 16
                                                         out of 24 students in Ms. Brown’s
         A. 4.15                                         class would prefer going to the
         B. 2 . 6                                        planetarium rather than the arboretum.
         C. 0 . 3
         D. 0.26                                         To the nearest thousandth, what part of the class
                                                         preferred going to the planetarium?
          Answer
                                                         A. 0.007
                                                         B. 0.667
                                                         C. 0.700
                                                         D. 16.24


                                                          Answer










        MO. 2 - L2b

             Comparing Fractions                                    Let’s Begin
                   and Decimals

        Compare Fractions and Decimals

                                                           REAL WORLD EXAMPLE
         Example                                            GRADES

                                                                                16
                                           13               Jeremy got a score of         on his
                                                                                20
         Replace • with <, >, or = to make   0.7 •  20  a true           20
         sentence.                                          f rst quiz and        on his second quiz.
                                                                         25
                  13        Write a sentence
              0.7 •                                         Which grade was the higher score?
                  20              13
              0.7 • 0.65    Write        as  a decimal.
                                  20
                                                            Write the fractions as decimals and then
              0.7 > 0.65    In the tenths place, 7 > 6.     compare the decimals.

                             0.65 .7
                                                            Quiz #1:   16  = 0.80
                                                                      20
                0.5 0.55 0.6 0.65 0.7 0.75 0.8
                                                            Quiz #2:  20  = 0.80
                                                                      25
                         On a number line, 0.7 is to the
            Answer       right of 0.65, so 0.7 >  13
                                            20                Answer       The score were the same, 0.80








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