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2. Final jeopardy question
Place Value, Estimating by Decimal Decimal Powers of 10 Comparing Rounding Sums and Products & and Scientific Decimals Differences Quotients Notation 10 20 30 40

3. What is One hundred twenty-four and eighty-four hundredths ?10
The way you would say the number
What is One hundred twenty-four and eighty-four hundredths ?

4. 20
The value of the 5 in the number
What is 5 thousandths?

5. 30
The comparison of the numbers and
What is < 0.580?

6. 40
The comparison of the numbers and 36.2.
What is > 36.2?

7. 10
The number rounded to the nearest whole number.
What is 28?

8. 20
The number rounded to the nearest tenth.
What is 158.6?

9. 30
The solution you get when you round the numbers and 1.34 to the nearest whole numbers and then multiply.
What is 22?

10. 40
The estimate of
42.54
What is 7?

11. 10
The estimate of
What is 170?

12. 20
The estimate of –
What is 200?

13. 30
The solution to the equation
x – = 31.1.
What is x = ?

14. 40
The solution to the equation
34.02 = y
What is y = ?

15. 10
The estimate of 11.7 x 3.3.
What is 36?

16. 20
The estimate of
0.0023
What is 20?

17. The solution to the equation 4.875 = 1.7x30
The solution to the equation
4.875 = 1.7x
(round your answer to the nearest tenth).
What is x = 2.8?

18. The solution to the equation c = 14.568 1.2340
The solution to the equation
c =
1.23
(round your answer to the nearest tenth).
What is c = 17.9?

19. 10
The evaluation of 53.
What is 125?

20. 20
36,540,000 written in scientific notation.
What is x 107?

21. 30
96,500 written in scientific notation.
What is 9.65 x 104?

22. 40
1.35 x 102 written in standard form.
What is 135?

23. Final Jeopardy Question
After spending the morning shopping, Joe has $14.37 left. He needs $2.65 for bus fare to get home, and he needs to keep $5.00 to pay back a debt. This is about how much can he spend on lunch.
Time is up!
What is ~ $7.00? (this is an over estimate)