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October 09, 2012
Bellwork
Identify if each number is rational or irrational. Click "A" for rational.
"B" for irrational
CLICKERS!!!!
October 09, 2012
October 09, 2012
Today's Agenda:
1. Bell Work: Rational or Irrational
2. CLICKER review
October 09, 2012
Lesson Objective:
After the end of the lesson students will determine if a number is rational or irrational by using the clickers.
HW: WS: Ch. 4 Review Odd #'s Test Thursday!
October 09, 2012
October 09, 2012
October 09, 2012
1. Which shows 0.000 0342 in scientific notation?
A. 3.42 x 105
B. 3.42 x 104
C. 3.42 x 10-5
D. 3.42 x 10-4
October 09, 2012
2. Which shows 0.000 000 000 042 in scientific notation?
A. 4.2 x 10-10
B. 4.2 x 10-11
C. .42 x 10-10
D. 4.2 x 1011
October 09, 2012
*. Which shows 0.000 000 0042 in scientific notation?
A. 4.2 x 10-8
B. 4.2 x 10-9
C. .42 x 10-8
D. 4.2 x 109
October 09, 2012
3. Which shows 0.000 000 000 000 02 in scientific notation?
A. 2 x 10-13
B. 2 x 10-12
C. .2 x 10-13
D. 2 x 10-14
October 09, 2012
4. Which shows 25,000,000,000,000,000 in scientific notation?
A. 2.5 x 1016
B. 2.5 x 1015
C. .25 x 1015
D. 2.5 x 10-16
October 09, 2012
4. Which shows 25,000,000,000,000 in scientific notation?
A. 2.5 x 1012
B. 2.5 x 1013
C. .25 x 1012
D. 2.5 x 10-13
October 09, 2012
5. Which shows 25,005,000,000,000 in scientific notation?
A. 2.5005 x 109
B. 25005 x 109
C. 2.5005 x 1013
D. 2.5005 x 10-13
October 09, 2012
6. Which shows 2,000,000,000,000 in scientific notation?
A. 2 x 1013
B. 2 x 1012
C. .2 x 1011
D. 2 x 1014
October 09, 2012
*. Which shows 2,000,000,000 in scientific notation?
A. 2 x 109
B. 2 x 108
C. .2 x 108
D. 2 x 10-9
October 09, 2012
7.
October 09, 2012
8.
October 09, 2012
*. Which shows 87,600 in scientific notation?
A. 8.76 x 102
B. 8.76 x 103
C. 8.76 x 104
D. 8.76 x 10-4
October 09, 2012
9. Which shows 8.6 x 1013 in standard notation.
A. 0.000 000 000 000 86
B. 86,000,000,000,000
C. 860,000,000,000,000
D. 0.000 000 000 00086
October 09, 2012
10. Which shows 6 x 1012 in standard notation.
A. 0.000 000 000 0006
B. 6,000,000,000,000
C. 600,000,000,000
D. 0.000 000 000 006
October 09, 2012
11. Which shows 8 x 10-10 in standard notation.
A. 0.000 000 000 08
B. 80,000,000,000
C. 8,000,000,000
D. 0.000 000 0008
October 09, 2012
12. Which shows 8.008 x 10-8 in standard notation.
A. 0.000 000 008008
B. 8,008,000,000,000
C. 800,800,000,000
D. 0.000 000 08008
October 09, 2012
*. Which shows 8.0007 x 10-9 in standard notation.
A. 0.000 000 008007
B. 8,007,000,000,000
C. 8,007,000,000
D. 0.000 000 0008007
October 09, 2012
13. Which shows 3.27 x 10-11 in standard notation.
A. 0.000 000 000 00327
B. 327,000,000,000
C. 32,700,000,000,000
D. 0.000 000 000 0327
October 09, 2012
14.Which shows 4.56 x 1012 in standard notation.
A. 0.000 000 000 000 456
B. 4,560,000,000,000
C. 456,000,000,000,000
D. 0.000 000 000 0456
October 09, 2012
*.Which shows 4.26 x 1014 in standard notation.
A. 0.000 000 000 000 00426
B. 45,600,000,000,000,000
C. 456,000,000,000,000
D. 0.000 000 000 000 0456
October 09, 2012
15. The human eye blinks about 6.25 x 106 times each year. About how many times has the eye of a 14 year old blinked? Write the answer in scientific notation.
A. 8. 75 x 108
B. 8. 75 x 10-7
C. 8.75 x 10-8
D. 8.75 x 108
October 09, 2012
16. In the United States there were 7.65 x 108 pieces of pizza consumed in 2011. The U.S. population was 2.9 x 108 people. What was the average amount of pizza consumed per person in 2011?
October 09, 2012
*. In the United States there were 1.65 x 108 hamburgers consumed in 2011. The U.S. population was 2.9 x 108 people. What was the average amount of hamburgers consumed per person in 2011?
October 09, 2012
17. The population of Mathville is 9.6x103. The population of Algeville is 7.3x108.What is the difference in population between the two cities?
October 09, 2012
*. The population of Mathville is 8.6x105. The population of Algeville is 7.2x106.What is the total population of the two cities?
October 09, 2012
18. The square root of a number is 16. Determine the value of the number.
A. 4
B. 8
C. 256
D. There is not enough information to solve this problem.
October 09, 2012
*. The square root of a number is 12. Determine the value of the number.
A. 144
B. 6
C. 3.5
D. There is not enough information to solve this problem.
October 09, 2012
19. The square root of a number is 27. Determine the value of the number.
A. 729
B. 13.5
C. 5.2
October 09, 2012
20. The square root of a number is between 23 and 24. Determine one possible value of the number.
A. 500
B. 11.5
C. 540
D. 576
October 09, 2012
*. The square root of a number is between 18 and 19. Determine one possible value of the number.
A. 324
B. 330
C. 4.2
D. 361
October 09, 2012
21. The square root of a number is between 16 and 17. Determine one possible value of the number.
A. 8.5
B. 289
C. 256
D. 267
October 09, 2012
22. Which integer is a perfect square?
A. 150
B. 225
C. 250
D. 300
October 09, 2012
*. Which integer is a perfect square?
A. 140
B. 200
C. 289
D. 300
October 09, 2012
23. Which integer is a perfect square?
A. 782
B. 783
C. 784
D. 785
October 09, 2012
24. Which integer is a perfect square?
A. 10
B. 100
C. 1,000
D. 100,000
October 09, 2012
25. Which integer is a perfect square?
A. 1
B. 2
C. 3
D. 5
October 09, 2012
26. A carpet square has an area of 625 ft2. Find the length of one side of the carpet square.
A. 156.25 feet
B. 312.5 feet
C. 25 feet
D. Not enough information to solve
October 09, 2012
*. A carpet square has an area of 1024 ft2. Find the length of one side of the carpet square.
A. 32 feet
B. 256 feet
C. 512 feet
D. Not enough information to solve
October 09, 2012
27. Which subset (group) does the belong?
A. IntegersB. Rational C. IrrationalD. Whole
October 09, 2012
28. Which subset (group)
does the belong?
A. IntegersB. Rational C. IrrationalD. Whole
October 09, 2012
*. Which subset (group)
does the belong?
A. IntegersB. Rational C. IrrationalD. Whole
October 09, 2012
29.Which subset (group) does the belong?
A. IntegersB. Rational C. IrrationalD. Whole
October 09, 2012
30. Which subset (group) does the NOT belong?
A. IntegersB. Rational C. IrrationalD. Whole
October 09, 2012
*. Which subset (group) does the NOT belong?
A. IntegersB. Rational C. IrrationalD. Whole
October 09, 2012
31. True or False:
No square roots are rational
October 09, 2012
32. True or False:
Some rational numbers are integers
October 09, 2012
33. True or False:
All Integers are Rational
October 09, 2012
34.True or False:
All Irrational numbers are Whole numbers
October 09, 2012
October 09, 2012
HW: Chapter 4 Review Odd #'s
October 09, 2012
October 09, 2012
October 09, 2012
October 09, 2012