Name ________________________________________ Date __________________ Class __________________
Benchmark Test Modules 1–6
  1. The square root of a number is 6. What is                                    6. On average, the people in the United
     the other square root of this number?                                           States use about 2.53 × 106 plastic
        A −6                                                                         bottles every hour. What is this amount
                                                                                     written in standard form?
        B −3
                                                                                        A 25.30 bottles
       C 3
                                                                                        B 25,330 bottles
       D 36
                                                                                        C 253,300 bottles
  2. A square acre of land is 4,840 square
     yards. The length of one side of the                                               D 2,530,000 bottles
     square is between which of the following?                                    7. The square root of a number is between
        A 14 yd and 48 yd                                                            5 and 6. Which of the following could be
                                                                                     the number?
        B 69 yd and 70 yd
                                                                                        A 11
       C 98 yd and 100 yd
                                                                                        B 21
       D 124 yd and 139 yd
                                                                                        C 31
  3. Which of the following numbers is an
     integer but not a whole number?                                                    D 42
        A −6.7                                                                    8. Which of the following is equivalent
                                                                                     to 5−3?
        B −5
                                                                                                                                    1
       C 0                                                                              A −125                               C
                                                                                                                                   125
       D 4.2
                                                                                                 1
  4. How is the number below written in                                                 B −                                  D 125
                                                                                                125
     scientific notation?
                                                                                  9. Each human hair has a width of about
                                    80                                               6.5 × 10−4 meter. What is this width
        A 8 × 102                                                                    written in standard form?
        B 80 × 102                                                                      A 0.00065 m
                         1
       C 80 × 10                                                                        B 0.000065 m
                          1
       D 8.0 × 10                                                                       C 0.0000065 m
  5. A global study of sea life has recorded                                            D 0.00000065 m
     232,620 different species of animals.                                      10. Alex is writing a number in scientific
     What is this number of species written in                                      notation. The number is greater than one
     scientific notation?                                                           million and less than ten million. Which
        A 2,3262 × 105                                                              number will Alex use as the exponent
        B 2.3262 × 102                                                              of 10?
       C 2.3262 × 105                                                                   A 8
       D 2.3262 × 10            6                                                       B 7
                                                                                        C 6
                                                                                        D 5
Original content Copyright © by Houghton Mifflin Harcourt. Additions and changes to the original content are the responsibility of the instructor.
                                                                          129