Practice Open-Ended Question (10 mins )

Practice Open-Ended Question (10 mins)“Keeping Records”

Eric has a part-time job at the deli. His responsibility is to keep track of the sales of some items. He earns a salary and an additional commission on what he sells. During one week he sold the following:

25 pounds of boiled ham at $7.99 per pound17 pounds of potato salad at $2.50 per pound6 boxes of american cheese at $14.95 per box2 whole salamies at a total price of $64.5030 dozen rolls at $3.00 a dozen

A.) What was the total from the sale of all the above items?

B.) The sale of boiled ham is what percent of the total sales? The sale of potato salad is what percent of the total sales? The sale of american cheese is what percent of the total sales?

C.) Eric earns a 4% commission of the total sales. How much commission does he earn? He also earns a salary of $150 a week. What is Eric’s total pay for that week?

D.) If Eric is offered another job for a salary $175 a week without commission, what are some factors he should consider in deciding to take the new job or remain with the job he currently has.

Note to teacher:Put answers up on overhead next to screen

HSPA Prep Lesson 2Ordering Real Numbers

Practice 1(subsets of real numbers)

Which of the following numbers is irrational?

A

B

C

D

-1/2

3.63

121

6/55

Practice 2 (subsets of real numbers)

36 is what kind of number?

A

B

C

D

Real/ Irrational

Real/rational/integer/ whole/natural

Real/rational/integer/whole

Real/rational

Practice 3 (subsets of real numbers)

Which of the following is a rational number?

A

B

C

D

1/5

3

25/115

Practice 4 (subsets of real numbers)

-6 is what kind of number? A

B

C

D

Real/rational/integer

Real/irrational

Real/rational

Real/rational/integer/ whole

Ordering Real Numbers

Real numbers are ordered from least to greatest.

Example: 1, -4, 49, -16/2, 19/5

ordered from least to greatest would be:

-16/2 (-8), -4, 1, 49, (7), 19/5 (3.8)

Practice 5 (ordering real numbers)Order the following numbers from

smallest to largest:

-8, 14/3, 10, 5 A

C

D

B -8, 5, 14/3, 10

-8, 10, 5, 14/3

-8, 14/3, 5, 10

-8, 14/3, 10, 5

Practice 6 (ordering real numbers)Order the following numbers from least to

greatest:

144, -47, 19/6, -13A

B

C

D

-47, -13, 19/6, 144

-47, -13, 144, 19/6

-13, -47, 144, 19/6

-47, 144, 19/6, -13

23

11 1 ,,.

Notes Over 1.1Graphing and Ordering Real Numbers

Write the numbers in increasing order.

Write everything in decimal form.

€

1.1, ,.330 411.

l l l l l l l l l l l l l-6 -5 -4 -3 -2 -1 0 1 2 3

4 5 6

,3

1,1 2

1 15

3 2 ,,.

Notes Over 1.1Graphing and Ordering Real Numbers

Write the numbers in increasing order.

Write everything in decimal form.,.60 ,1 1

l l l l l l l l l l l l l-6 -5 -4 -3 -2 -1 0 1 2 3

4 5 6

,1 ,5

31

.253 3

2 5 3 ,,.

Notes Over 1.1Graphing and Ordering Real Numbers

Write the numbers in increasing order.

Write everything in decimal form.

,.242 ,.670 253.

l l l l l l l l l l l l l-6 -5 -4 -3 -2 -1 0 1 2 3

4 5 6

,3

2,5 253.

1 1 4 4 ,,.

Notes Over 1.1Graphing and Ordering Real Numbers

Write the numbers in increasing order.

l l l l l l l l l l l l l-6 -5 -4 -3 -2 -1 0 1 2 3

4 5 6

,4 ,1 1

3

1 ,2 0 5 ,.

Notes Over 1.1Graphing and Ordering Real Numbers

Write the numbers in increasing order.

Write everything in decimal form.,0 ,2 330.

l l l l l l l l l l l l l-6 -5 -4 -3 -2 -1 0 1 2 3

4 5 6

,2 ,03

1

.75 15, 2 6 ,.

Notes Over 1.1Graphing and Ordering Real Numbers

Write the numbers in increasing order.

Write everything in decimal form.

,.411 ,15 75.

l l l l l l l l l l l l l-6 -5 -4 -3 -2 -1 0 1 2 3

4 5 6

,15 ,2 75.

10 5, 2

5 7 ,.

Notes Over 1.1Graphing and Ordering Real Numbers

Write the numbers in increasing order.

Write everything in decimal form.

,.52 ,5 10l l l l l l l l l l l l l-6 -5 -4 -3 -2 -1 0 1 2 3

4 5 6

,10 ,52

5

0 5, 3 8 ,.

Notes Over 1.1Graphing and Ordering Real Numbers

Write the numbers in increasing order.

l l l l l l l l l l l l l-6 -5 -4 -3 -2 -1 0 1 2 3

4 5 6

,5 ,0 3

Operations with Real Numbers

In Exercises 15 and 16, use the following information.

15. At Indianapolis Motor Speedway, one lap is 2.5 miles in length. The average speed of an Indy racing car is 190 miles per hour.

15. Find the length of one lap in yards.

mi 52.

mi

ft 2805,

ft 3

yd 1yards 4400

Operations with Real Numbers

In Exercises 15 and 16, use the following information.

15. At Indianapolis Motor Speedway, one lap is 2.5 miles in length. The average speed of an Indy racing car is 190 miles per hour.

16. How many seconds will it take to complete one lap?

lap 1

mi 52.

mi 190

hour 1

hour 1

min 06

lapper sec 447.

min 1

sec 06

On your own:

On your own:

Practice Open-Ended Question (10 mins)

“Keeping Records at the Gas Station”

Juan has a part-time job at a gas station. Part of his responsibility is to keep track of the sales of stock items. During one week last July he sold the following:

160 quarts of oil at an average price of $1.45 per quart25 gallons of antifreeze at $6.50 per gallon24 tires at an average price of $49.75 per tire4 batteries at a total price of $140various auto supply accessories at a total price of

$245.75

A.) What was the total income from the sale of all these items?

B.) What percent of sales did the accessories represent?

C.) If Juan received a 5% commission on total sales, and a salary of $100 a week, how much did Juan earn that week?

D.) If Juan is offered another job for a salary of $150 a week without commission, should he quit his current job? Why or why not? Support your answer.