Refer to our Texas Go Math Grade 3 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 3 Lesson 20.1 Answer Key Making an Income.

## Texas Go Math Grade 3 Lesson 20.1 Answer Key Making an Income

**Unlock the Problem**

Anita and Ruchi both want to buy a bicycle helmet that costs $40. They earn $3 for each week they complete their chores. Labor is the work that a person does. Income is money earned.

**Labor and Income
**

A. Look at the Work Completed table. Who will be able to buy her helmet at the end of 14 weeks?

Anita completed her chores for 10 weeks. Her income is

________ × $3 = __________

_______ < $40, so _________ cannot buy her helmet. Ruchi completed her chores for 14 weeks. Her income is ________ × $3 = __________ ________ > $40, so _________ can buy her helmet.

If the rate of pay is the same, you can earn more money if you do _________ work.

A person’s knowledge and work skills can be called human capital.

Answer:

A. Look at the Work Completed table. Who will be able to buy her helmet at the end of 14 weeks?

Anita completed her chores for 10 weeks. Her income is

10 × $3 = 30$

30$< $40, so, Anita cannot buy her helmet. Ruchi completed her chores for 14 weeks. Her income is 14× $3 =42$. 42$ > $40, so Ruchi can buy her helmet.

If the rate of pay is the same, you can earn more money if you do more work.

A person’s knowledge and work skills can be called human capital

**Math Talk**

**Mathematical Processes**

How can a person get more work skills? Explain.

Answer: According to his knowledge in studies

The person get more skills

**Human Capital and Income**

Ruchi is 10 years old and Anita is 6 years old. Ruchi knows how to write, so she earns $1 extra to address letters for her mom. Anita earns 50$ extra for putting stamps on the letters.

Answer:

Anita put the stamps she cannot write so she get 50 cents

Ruchi knows how to write so she get 1$

According to their skills they are paid

**Share and Show**

**Who can buy the item?**

Question 1.

Mary and John earn $8 per hour. John works 42 hours. Mary works 29 hours. Who can buy a bicycle for $299?

Answer: john can buy

Explanation:

The amount which they get for per hour is 8$

John works 42 x 8 = 336

Mary works 29 x 8 = 232

The amount they need is $299 so, John can buy

Question 2.

Jose and Karen earn $13 per hour. Jose works 8 hours. Karen works 7 hours. Who can buy a microscope for $89?

Answer: Both

Explanation:

The amount which they get for per hour is 13$

Jose works 8 hours.8 x 13 = 104

Karen works 7 hours. 7 x 13 = 91

Question 3.

Frank is a sports writer. Bob works in a fast food restaurant. Who do you think could possibly earn a higher salary? Explain.

Answer: Frank get high salary

Explanation:

According to their job roles

Frank is a sports writer. Bob works in a fast food restaurant.

The writer gets more salary than the worker who works on a restaurent

**Use the table for 4-7.**

Question 4.

Matt is a plumber. What skills may he need for his job?

Answer:

- Good Physical Skills. One of the most important skills for a plumbing job is good manual dexterity and coordination.
- Interpersonal Communications Skills.
- Safety Skills.
- Problem-Solving Skills.

Question 5.

Sofia is a medical secretary and needs professional knowledge for this position. What knowledge may be required?

Answer:

- Prior experience as a Medical Secretary or similar administrative role.
- Multitasking and organizational skills.
- Knowledge of medical coding, medical office procedures, regulations and medical terminology.
- Patience and discretion.
- Familiarity with the basics of bookkeeping.

Question 6.

Dexter has worked 2 years as a computer scientist. He received a $1,500 raise after the first year. What was his salary for the second year? Explain.

Answer: 95,450$

Explanation:

Dexter has worked 2 years as a computer scientist.

He received a $1,500 raise after the first year.

First year salary is 93,950$

93,950 +1,500 = 95,450

his salary for the second year

Question 7.

Connect What relationship do you notice between the jobs and the starting salary?

Answer: According to their knowledge the salary is given

Explanation:

For example:

plumber is getting 34,447

college professor 51,000

Plumber doesn’t have education so his salary is less

For a college professor education is must so he is paid high

**Problem Solving**

**Use the table for 8-10.**

Question 8.

**Write Math** Elaine is a salesperson in a discount store. She wants to be a bookkeeper. How much more can she possibly earn? Explain what she should do to become a bookkeeper.

Answer: more 347 per week

Explanation:

Elaine is a salesperson in a discount store and salary is 297

She wants to be a bookkeeper salary of a book keeper is 644

If she gains the knowledge of books she can earn 347 more per week

Question 9.

Write the weekly salaries in order from least to greatest.

Answer:

Explanation:

T he weekly salaries in order from least to greatest.

Question 10.

Which starting salaries are about equal to earning $8 an hour for 40 hours a week? Explain.

Answer:

Fast food cook

Explanation:

earning $8 an hour for 40 hours a week

8 x 40 = 320$

Fast food cook salary is $322

Question 11.

**Multi-Step** Brianna has beautiful handwriting. She earns money by writing invitations to weddings. She gets $38 for each set of 5 invitations. If she does 2 groups of 45 invitations in one week, how much will she earn?

Answer: $684

Explanation:

Brianna has beautiful handwriting.

She earns money by writing invitations to weddings.

She gets $38 for each set of 5 invitations.

If she does 2 groups of 45 invitations in one week,

5 x 9 = 45

38 x 9 = 342

2 groups = 2x 342 = 684

she earn 684$ in one week

**Daily Assessment Task**

**Fill in the bubble for the correct answer choice.**

Question 12.

Marcia finished nursing school. Ben finished high school. Which statement about their job opportunities is most likely to be true?

(A) Ben has more specialized skills than Marcia.

(B) Marcia has fewer specialized skills than Ben.

(C) Marcia may become a nurse.

(D) Ben and Marcia may do the same job.

Answer: A

Explanation:

According to the given sentence Marcia may become a nurse.

**Use the table for 13.**

Question 13.

Reasoning Andrew enjoys working in an office with other people. Chloe has the most education. Tanya likes to work outside. Which statement is most likely true about the people and jobs?

(A) Chloe is the landscape worker.

(B) Andrew is the legal secretary.

(C) Andrew is the teacher.

(D) Tanya is the legal secretary.

Answer: B

Explanation:

Reasoning Andrew enjoys working in an office with other people.so, he may be legal secretary.

Chloe has the most education. may be legal secretary. or teacher

Tanya likes to work outside. landscape worker.

Question 14.

**Multi-Step** An elementary school teacher in one Texas city earns $47,730 a year. A fitness instructor earns $23,850. A legal secretary earns $14,360 less than the school teacher. What is the difference in salary between the fitness instructor and legal secretary?

(A) $9,520

(B) $10,520

(C) $33,370

(D) $23,880

Answer: A

A legal secretary earns $14,360 less than the school teacher.

$47,730 – 14,360 = 33,370

the difference in salary between the fitness instructor and legal secretary

$33,370- $23,850 = 9,520$

**Texas Test Prep**

Question 15.

Maeko went to school for 6 more years after graduating from a 4-year college to become an eye doctor. Which is most likely to be the amount of money she earns each week when she starts to work?

(A) $200

(B) $800

(C) $2,000

(D) $600

Answer: C

Explanation:

Maeko went to school for 6 more years after graduating from a 4-year college to become an eye doctor.

$2,000 is most likely to be the amount of money she earns each week when she starts to work

### Texas Go Math Grade 3 Lesson 20.1 Homework and Practice Answer Key

**Who can buy the item?**

Question 1.

Lake and Charlene earn $9 per hour. Jake works 38 hours. Charlene works 42 hours. Who can buy a digital camera for $329?

Answer: Both can buy

Explanation:

Lake and Charlene earn $9 per hour.

Jake works 38 hours. 38 x 9 = 342

Charlene works 42 hours.42 x 9= 378

Question 2.

Marta and Naji earn $12 per hour. On the same workday, Marta works 9 hours and Naji works 8 hours. Who can buy a computer desk for $100 with their income earned that day?

Answer: Marta can buy

Explanation:

Marta and Naji earn $12 per hour

Marta works 9 hours 9 x 12 =108

Naji works 8 hours 8 x 12 = 96

**Problem Solving**

**Use the table for 3-5.**

Question 3.

Max is a typist. He wants to be an office manager. How much more can he possibly earn? Explain what he can do to become an office manager.

Answer: 223$

Explanation:

He has to gain knowledge in the post of office manager

As a typist he is getting $472

For an office manager. $694

694 – 472 = $223

Question 4.

What is the difference in earnings between the highest starting salary and the lowest?

Answer: $2,180

Explanation:

The difference in earnings between the highest starting salary and the lowest is $2,180

2,450 – 270 = 2,180

Question 5.

The starting salary for which job is about equal to earning $7 an hour for 40 hours each week? Explain.

Answer: Waitress

Explanation:

The starting salary for waitress job is about equal to earning $7 an hour for 40 hours each week

40 x 7 = 280

**Lesson Check**

**Fill in the bubble completely to show your answer.**

Question 6.

Ben earns $700 a week, Elaine earns $925 a week, and Russ earns $1,400 a week. Which statement about their knowledge and work skills is the most likely to be true?

(A) Russ had no additional training past high school.

(B) Elaine has the least training and work skills.

(C) Ben has the least training and work skills.

(D) Elaine went to medical school.

Answer: C

Explanation:

Ben earns $700 a week, according to this statement

Ben has the least training and work skills

Question 7.

Kenneth went to college for 4 years, then went to graduate school for another two years. Which is most likely a job that Kenneth does based on his education?

(A) auto mechanic

(B) teacher

(C) surgeon

(D) clerk

Answer: C

Explanation:

Kenneth went to college for 4 years,

then went to graduate school for another two years.

surgeon is most likely a job that Kenneth does based on his education

Question 8.

Use the table at the right. Lu Chen enjoys playing the piano and singing. Alexis continues training in math and science. Elector enjoys working on trains. Which statement is most likely to be true about the people and their job opportunities?

(A) Alexis is the aerospace engineer.

(B) Elector is the college music teacher.

(C) Hector is the home care aide.

(D) Lu Chen is the railroad switch operator.

Answer: A

Explanation:

The remaining option doesn’t match to the given sentence

so, option A is most likely to be true about the people and their job opportunities.

Question 9.

**Multi-Step** Elio helps his grandfather rake leaves. He earns $3 an hour. Elio rakes leaves for 2 hours each day for two weeks. How much money does Elio earn?

(A) $42

(B) $21

(C) $84

(D) $32

Answer: C

Explanation:

Elio helps his grandfather rake leaves.

He earns $3 an hour.

Elio rakes leaves for 2 hours each day for two weeks.

3 x 2 = 6

in a week there are 7 days

7 x 2 = 14

so, 14 x 6 = 84

How much money does Elio earn

Question 10.

**Multi-Step** Eileen wants to buy a CD headset for $64. She mows her family’s lawn 3 times in one month. Eileen earns $8 for each mowing. How many more times does Eileen need to mow to buy the headset?

(A) 40

(B) 5

(C) 4

(D) 24

Answer: B

Explanation:

Eileen wants to buy a CD headset for $64.

She mows her family’s lawn 3 times in one month.

Eileen earns $8 for each mowing.

3 x 8 = 24

8 x 8 = 64

64 – 24 = 40

8 x 5 = 40

5 more times should Eileen need to mow to buy the headset.