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EOC Practice – Number Sense. 1. Write as a decimal in standard form: five thousand, nine hundred one and twenty-seven hundredths. [A] 5091.27 [B] 5901.27 [C] 5901.027 [D] 50,901.27. 1. Write as a decimal in standard form: five thousand, nine hundred one and twenty-seven hundredths.

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slide2

1. Write as a decimal in standard form:

five thousand, nine hundred one and twenty-seven hundredths

[A] 5091.27

[B] 5901.27

[C] 5901.027

[D] 50,901.27

slide3

1. Write as a decimal in standard form:

five thousand, nine hundred one and twenty-seven hundredths

[A] 5091.27

[B] 5901.27

[C] 5901.027

[D] 50,901.27

slide4

2. Which represents 6.10312 in words?

[F] six and ten thousand three hundred twelve hundred-thousandths

[G] six and one thousand three hundred twelve hundred-thousandths

[H] six and ten thousand three hundred twelve ten-thousandths

[I] six and one thousand three hundred twelve ten-thousandths

slide5

2. Which represents 6.10312 in words?

[F] six and ten thousand three hundred twelve hundred-thousandths

[G] six and one thousand three hundred twelve hundred-thousandths

[H] six and ten thousand three hundred twelve ten-thousandths

[I] six and one thousand three hundred twelve ten-thousandths

slide6

3. Earth’s radius is about:

six million, three hundred seventy thousand meters.

Write this distance using scientific notation.

slide7

3. Earth’s radius is about:

six million, three hundred seventy thousand meters.

Write this distance using scientific notation.

6,370,000 = 6.37 x 106

slide8

4. GRIDDED RESPONSE

Grid the correct answer on a separate gridding sheet.

Gold is a very soft metal, so it is usually combined with

harder metals, such as silver and copper, to make jewelry.

For instance, only fifty-eight and three tenths percent of a

14-karat gold ring is pure gold.

What is this percent as a decimal?

slide9

4. GRIDDED RESPONSE

Grid the correct answer on a separate gridding sheet.

Gold is a very soft metal, so it is usually combined with

harder metals, such as silver and copper, to make jewelry.

For instance, only fifty-eight and three tenths percent of a

14-karat gold ring is pure gold.

What is this percent as a decimal? 58 = 58.3 % or 0.583

slide11

5. Of the following real numbers, which one is the greatest?

2π, , -18.04, , -7

[A]

[B] -7

[C]

[D] 2πThe only positive number from the list

slide12

6. If and

which of the following numbers

is not between a and b?

[F] 0.333

[G] 20.6%

[H]

[I] 0.246

slide13

6. If and

which of the following numbers

is not between a and b?

[F] 0.333

[G] 20.6%

[H]

[I] 0.246

slide15

I-17I = 17 and I-5I = 5

Then I-17I, 13, I-5I and 3

slide17

8. Arrange the integers –5, 4, –8, 0, 3, 6, –6

in order from least to greatest.

-8, -6, -5, 0, 3, 4, 6

slide18

9. Select the description which matches the graph.

[A] integers less than or equal to –1

[B] integers greater than or equal to 0

[C] integers less than or equal to –2

[D] integers greater than or equal to –1

slide19

9. Select the description which matches the graph.

[A] integers less than or equal to –1

[B] integers greater than or equal to 0

[C] integers less than or equal to –2

[D] integers greater than or equal to –1

slide20

10. An elevator in Sadewater’s department store started on the ground floor. It went up 4 floors, down 3 floors, up 8 floors, and down 6 floors. Which expression could be used to find the total number of

floors through which the elevator passed?

slide21

10. An elevator in Sadewater’s department store started on the ground floor. It went up 4 floors, down 3 floors, up 8 floors, and down 6 floors. Which expression could be used to find the total number of

floors through which the elevator passed?

Answer I

slide22

11. By analyzing her expenses for the last 8 months, Hannah found that she usually spends 35% of her after-tax income on utility bills and transportation costs. Sketch a circle graph with a shaded portion to represent the approximate percent of Hannah’s after-tax income spent on utilities and transportation.

slide23

11. By analyzing her expenses for the last 8 months, Hannah found that she usually spends 35% of her after-tax income on utility bills and transportation costs. Sketch a circle graph with a shaded portion to represent the approximate percent of Hannah’s after-tax income spent on utilities and transportation.

slide24

12

Jean’s highest bowling score last season was 237 out of the maximum possible score of 300. What percent is equivalent to Jean’s highest score?

slide25

12

Jean’s highest bowling score last season was 237 out of the maximum possible score of 300. What percent is equivalent to Jean’s highest score?

237 / 300 = 0.79 or 79%

slide26

13. The calorie and the BTU (British thermal unit) are two standard units of energy. Four calories is about 0.015872 BTU. How is this measure expressed in scientific notation?

[A]

[B]

[C]

[D]

slide27

13. The calorie and the BTU (British thermal unit) are two standard units of energy. Four calories is about 0.015872 BTU. How is this measure expressed in scientific notation?

[A]

[B]

[C]

[D]

slide30

15. Several different samples of portable computer screens from a production batch of several thousand were tested and 92% were found to be acceptable. What fractions of the tested screens were

acceptable? Write your answer in simplest form.

[A]

[B]

[C]

[D]

slide31

15. Several different samples of portable computer screens from a production batch of several thousand were tested and 92% were found to be acceptable. What fractions of the tested screens were

acceptable? Write your answer in simplest form.

[A]

[B]

[C]

[D]

slide32

16. Deimos, a moon of Mars, takes about 1860 minutes to orbit the Mars. How is this measurement expressed in scientific notation?

[F] minutes

[G] minutes

[H] minutes

[I] minutes

slide33

16. Deimos, a moon of Mars, takes about 1860 minutes to orbit the Mars. How is this measurement expressed in scientific notation?

[F] minutes

[G] minutes

[H] minutes

[I] minutes

slide36

19

One day during flu season, the manager of a factory where James works announced that only 84 percent of the 1200 people employed at the factory were present. To find the number of employees present, James multiplied 1200 by what fraction? Write your answer in simplest form.

slide37

19

One day during flu season, the manager of a factory where James works announced that only 84 percent of the 1200 people employed at the factory were present. To find the number of employees present, James multiplied 1200 by what fraction? Write your answer in simplest form.

slide38

21. Simplify

[B]

[A]

[C]

[D]

slide39

21. Simplify

[B]

[A]

[C]

[D]

slide40

22. Simplify

[F]

[G]

[H]

[I]

slide41

22. Simplify

[F]

[G]

[H]

[I]

slide48

27. An interior designer charges a customer $20 for each hour she works on a project. The customer must also pay the interior designer for materials. The amount the customer pays for materials is marked up 15% over the price the designer paid for the materials. Suppose the designer works 33 hours on a project for a customer. The designer pays $4500 for materials. What is the total amount the customer must pay the interior designer?

slide49

27. An interior designer charges a customer $20 for each hour she works on a project. The customer must also pay the interior designer for materials. The amount the customer pays for materials is marked up 15% over the price the designer paid for the materials. Suppose the designer works 33 hours on a project for a customer. The designer pays $4500 for materials. What is the total amount the customer must pay the interior designer?

Then 660+4500+675 = $5836

slide50

28. GRIDDED RESPONSE Grid the correct answer

on a separate gridding sheet.

The price list for bath items at Sal\'s Create-a-Gift is shown below.

Determine how much it will cost, in dollars, to buy a gift bag with bath gel and a sponge if there is a sales tax of 6%. Round your answer to the nearest cent.

slide51

28. GRIDDED RESPONSE Grid the correct answer

on a separate gridding sheet.

The price list for bath items at Sal\'s Create-a-Gift is shown below.

Determine how much it will cost, in dollars, to buy a gift bag with bath gel and a sponge if there is a sales tax of 6%. Round your answer to the nearest cent.

2+2.40+2.10 =6.50

6.50 x 0.06 = 0.39

Then 6.50 + 0.39 = $6.89

slide52

30. Greg is buying soft drinks for a class fund-raiser. He discovers that one case of drinks costs $7.56. However, if he buys 20 or more cases, he will get a 25% discount. What is a reasonable estimate of the cost of 20 cases?

[F] less than $100

[G] between $100 and $110

[H] between $110 and $120

[I] more than $120

20 x 7.56 = 151.20

151.20 x 0.25 = 37.80

151.20 – 37.80 = 113.40

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