6th Grade Math Textbook, Progress

Find the value of each algebraic expression when c
0.75 and d
2.06.

Remember to work from left to right.

7. 8
   c
   d 8. c
   d
   5.5


8. 35 cd 10. 10 cd


9. c
   5.37
   d 12. d
   12.8
   c


10. 5
    cd 14. 14.9c
    d


11. d
    0.02c 16. 34.09cd

Write and evaluate an expression for each situation.

17. Miguel had xdollars. He spent
    $16.25 of that amount. What
    expression represents the amount
    of money he has left? Evaluate
    the expression when x$34.10.


18. Let yrepresent the number of
    home runs Maddy hit last season.
    Brianna hit 6 more home runs than
    Maddy. What expression shows
    how many home runs Brianna hit?
    How many did she hit when y
    equals 8?
    18. Alex scored 5 points fewer than
    Devon. Devon scored 14 points.
    What expression shows the
    number of points Alex scored?
    Evaluate the expression.
    20. Elizabeth collected 38 more cans
    to be recycled than Evan. If Evan
    collected mcans, what expression
    shows how many cans Elizabeth
    collected? Evaluate the expression
    when mequals 87.

Complete the sentences. Use the terms in the box.

21. An tells how many times you use the base
    as a factor.


22. (31000)
    (8100)
    (21) is the of 3802.


23. A symbol used to represent an unknown number
    is a.


24. To find the nearest value of a number based on
    a given place, you.


25. In 10^3 , 10 is called the.


26. The number 7.023 is expressed in form.

??????

base

expanded form

exponent

round

standard

variable

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