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

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7.

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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

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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

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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