6th Grade Math Textbook, Progress

60 Chapter 1

Lessons 1–13

Write each number in standard form. (See pp. 34–35)

1. three ten thousandths


2. nine trillion, four hundred thousand, twenty


3. sixty-seven and sixty-eight millionths

Write each number in expanded form using exponents. (See pp. 36–39)

4. four and eighty-three thousandths 5. 200,070,040,333


5. 734 7. 329,050 8. 24,082,006

Write in order from greatest to least. (See pp. 40–41)

9. 0.3014; 3.014; 0.0314; 0.314 10. 0.031289; 3.001289; 33.1289

Round each number to its underlined place. (See pp. 42–43)

11. 6,745,199 12. 399.9 7022 13. 11 ,542,391.956

Estimate. Use front-end estimation with adjustments. Then use rounding.

14. 3.45
    6
    1.02 15. 39.28
    46.91
    12.24 16. 98 – 44.01

Add or subtract. (See pp. 46–51)

17. 0.97 – 0.426 18. $500.58$3.79 19. 99.0152
    400
    3.9848

Write each as an algebraic expression. Use nas your variable. (See pp. 52–53)

20. 8 more than a number 21. a number decreased by 200

Evaluate each expression. (See pp. 54–55)

22. y – 52, for y 96 23. 17.96
    m, for m50.42

(See pp. 56–59)

(See Still More Practice, p. 521.)

24. Dana worked for 7 hours on Thursday,
    8 hours on Friday, and 4 hours on
    Saturday. She is scheduled to work
    20 hours next week. How many hours
    did she work this week?
    25. Yousif paid $38.55 for cable and
    $62.37 for electricity. He also wrote a
    check to the phone company. If he
    paid a total of $157.41, how much
    did he pay to the phone company?

(See pp. 44–45)

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