6th Grade Math Textbook, Progress

13. Which statement is true?

Explain how you solved each problem. Show all your work.

25. Two groups of tourists flew to Japan.
    The first group took 4 hours less than
    the second to fly there. If the first group
    flew for 17 hours, how many hours did
    the second group fly?

a. 
 35 b. 0

c. 153 d.^102

19.Which does not name an integer?

a. ⏐
 7 ⏐
⏐ 7 ⏐ b. ⏐
 7 ⏐
(
 7 )

c. 
⏐
 7 ⏐
(
 7 ) d. 
⏐
 7 ⏐⏐
(
 7 )⏐

14. Add.
    
    21 (
    14) a.
    7
    b.
    35
    c. 7
    d. 35
    20. Subtract.
    
    45
    63 a. 108
    b.
    108
    c. 18
    d.
    18


15. Evaluate 3a^2
    4 bwhen a
    2 and b0.
    a.
    16
    b.
    12
    c. 16
    d. 12
    22. Solve.

x
(7.653.18) (^4) a. x6.83
b.x10.83
c. x14.83
d.not given

17. Simplify.
    
    4
    (
    2 5) 
    1 a.
    7
    b.
    1
    c. 1
    d. 7
    23. In scientific notation, 0.0000631 is:
    a. 6.31  106
    b.6.31  105
    c. 6.31  10
    ^5
    d.6.31  10
    ^6


18. Ray’s aquarium holds 25 gallons of
    water. One gallon of water weighs 8.33 lb.
    What is the weight of the water if the
    aquarium is filled to the top?
    a. 180.25 lb b.200.25 lb
    c. 208.25 lb d.280.25 lb

24.The temperature at noon was 13°F. It

dropped 17 degrees. What is the

temperature now?

26.A theater has 675 seats. There are three

times as many seats in a row as there

are rows. How many rows and how many

seats are there?

a. 4°F b.
13°F

c. 
17°F d.
4°F

15. Estimate by using compatible numbers.

584,719  (^329) a. 2000
b. 3000
c. 4000
d.not given
21.Multiply.
8.005
 5.32
a. 40.5866
b.41.5866
c. 42.5866
d.not given
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