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## Texas Go Math Grade 5 Lesson 1.8 Answer Key Add and Subtract Money

**Unlock the Problem**

At the end of May, Mrs. Freeman had an account balance of $442.37. Since then, she has written a check for $63.92 and made a deposit of $350.00. Mrs. Freeman says she has $729.45 in her account. Make a table to determine if Mrs. Freeman is correct.

**Read**

What do I need to find?

I need to find the amount she had in each month

What information am I given?

I am given the initial amount of money in May’s account and the final amount of money in May’s account

**Plan**

What is my plan or strategy?

I need to make a table and use the information to find the amount of money May has in each month

**Solve**

So,

Mrs. Freeman’s correct balance is $728.45

Question 1.

How can you tell if your answer is reasonable?

Answer:

Check the answer by subtracting the amount May has in each month from $728.45.

If we get $442.37, then your answer is reasonable

**Try Another Problem**

Nick is buying juice for himself and 5 friends. Each bottle of juice costs $1.25. How much do 6 bottles of juice cost? Make a table to find the cost of 6 bottles of juice.

**Read**

What do I need to find?

I need to find the total cost of 6 bottles of juice

What information am I given?

I am given the cost of each bottle of juice and the number of persons

**Plan**

What is my plan or strategy?

Multiply the number of persons with the cost of each bottle of juice

**Solve**

So, the total cost of 6 bottles of juice is $7.5

Question 2.

What if Ginny says that 12 bottles of juice cost $25.00? Is Ginny’s statement reasonable? Explain.

Answer:

It is given that

Ginny says that 12 bottles of juice cost $25.00

Now,

From the above problem,

We can observe that

The cost of 6 bottles of juice is: $7.5

The cost of each bottle of juice is: $1.25

Now,

The cost of 12 bottles of juice = 12 × $1.25

= 6 × 2 × $1.25

= $7.5 × 2

= $15

Hence, from the above,

We can conclude that

Ginny’s statement is not reasonable

Question 3.

If Nick had $10, how many bottles of juice could he buy?

Answer:

It is given that

Nick had $10

Now,

From the above problem,

We can observe that

Each bottle of juice costs $1.25

Now,

The number of bottles of juice Nick can buy = (The amount of money Nick had) ÷ (The cost of each bottle of juice)

= \(\frac{$10}{$1.25}\)

= 8 bottles

Hence, from the above,

We can conclude that

Nick can buy 8 bottles of juice with $10

**Math Talk**

**Mathematical Processes**

Explain how you could use another strategy to solve the problem.

Answer:

We can solve a problem either by a multiplication or division strategy

In multiplication strategy,

We will consider the unknown as x and find the result

In division strategy,

We will consider the unknown and solve it by using the multiplication strategy

**Share and Show**

Question 1.

Sara wants to buy a bottle of apple juice from a vending machine. She needs exactly $2.30. She has the following bills and coins:

Make and complete a table to find all the ways Sara could pay for the juice.

First, draw a table with a column for each type of bill or coin.

Next, fill in your table with each row showing a different way Sara can make exactly $2.30.

Answer:

It is given that

Sara wants to buy a bottle of apple juice from a vending machine. She needs exactly $2.30.

So,

The complete table that shows the arrangement of different ways that Sara can make $2.30 is:

Hence, from the above,

We can conclude that

The completed table shows the different ways Sara can make exactly $2.30 is:

Question 2.

What if Sara decides to buy a bottle of water that costs $1.85? What are all the different ways she can make exactly $1.85 with the bills and coins she has? Which coin must Sara use?

Answer:

It is given that

Sara decides to buy a bottle of water that costs $1.85

Now,

The different ways that Sara can make exactly $1.85 is:

a.

1 bill, 3 quarters, 1 dime

So,

$1 + 3 x $0.25 + $0.10 = $1.85

b.

1 bill, 3 quarters, 2 nickels;

So,

$1 + 3 x $0.25 + 2 x $0.05 = $1.85

So,

Sara must use “Quarter”

Hence, from the above,

We can conclude that

Sara must use “Quarter”

**Problem Solving**

**Use the following Information to solve 3-4.**

At Open Skate Night, admission is $3.75 with a membership card and $5.00 without a membership card. Skate rentals are $3.00.

Question 3.

**H.O.T. Multi-Step** The Moores paid $6 more for skate rentals than the Cotters did. Together, the two families paid $30 for skate rentals. How many pairs of skates did the Moores rent?

Answer:

It is given that

At Open Skate Night, admission is $3.75 with a membership card and $5.00 without a membership card. Skate rentals are $3.00.

The Moores paid $6 more for skate rentals than the Cotters did. Together, the two families paid $30 for skate rentals

Now,

Let the amount paid by Cotters be: $x

So,

The amount paid by Moores for Skate rentals is: $(x + 6)

So,

According to the given information,

x + x + 6 = $30

2x + $6 = $30

2x = $24

x = \(\frac{$24}{2}\)

x = $12

So,

The amount paid by Cotters for skate rentals is: $12

The amount paid by Moores for skate rentals is: $18

Now,

Let the pairs of skates Moores own be: x

So,

The number of pairs of skates Moores rent = \(\frac{$18}{$3}\)

= 6 pairs

Hence, from the above,

We can conclude that

The number of pairs of skates Moores rents is: 6 pairs

Question 4.

**H.O.T. Multi-Step** Jennie and 5 of her friends are going to Open Skate Night. Jennie does not have a membership card. Only some of her friends have membership cards. What is the total amount that Jennie and her friends might pay for admission?

Answer:

It is given that

Jennie and 5 of her friends are going to Open Skate Night. Jennie does not have a membership card. Only some of her friends have membership cards

At Open Skate Night, admission is $3.75 with a membership card and $5.00 without a membership card. Skate rentals are $3.00.

So,

According to the given information,

The total amount that Jennie and her friends might pay for admission = $5 + 5 ($3.75)

= $5 + $18.75

= $23.75

Hence, from the above,

We can conclude that

The total amount that Jennie and her friends might pay for admission is: $23.75

**Daily Assessment Task**

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

Question 5.

**Apply** Sherry and Mario want to buy a pack of pencils to split for the new school year. The pack of pencils costs $3.68. They each have $1.25 to spend. How much more money do they need to buy the pencils?

A. $1.18

B. $2.50

C. $2.43

D. $4.93

Answer:

It is given that

Sherry and Mario want to buy a pack of pencils to split for the new school year. The pack of pencils costs $3.68. They each have $1.25 to spend.

So,

The total amount of money they have to spend = 2 × $1.25

= $2.5

So,

The amount of more money do they need to buy the pencils = $3.68 – $2.5

= $1.18

Hence, from the above,

We can conclude that

The amount of more money do they need to buy the pencils is:

Question 6.

**Analyze** Marc has one dollar, one quarter, one dime, one nickel, and one penny. He spends 35 cents. How much money does he have left?

A. $0.76

B. $0.96

C. $1.06

D. $1.16

Answer:

It is given that

Marc has one dollar, one quarter, one dime, one nickel, and one penny. He spends 35 cents.

So,

The amount of money Marc has left = ($1 + $0.25 + 0.10 + $0.05 + $0.01) – $0.35

= $1.41 – $0.35

= $1.06

Hence, from the above,

We can conclude that

The amount of money that Marc has left is:

Question 7.

**Multi-Step** Maria bought two cups of milk for $1.09 each, and a salad for $7.75. If she pays with a ten-dollar bill, how much change does she receive?

A. $0.07

B. $1.16

C. $2.25

D. $7.82

Answer:

It is given that

Maria bought two cups of milk for $1.09 each, and a salad for $7.75 and she pays with a ten-dollar bill

So,

The change does Mara will receive = $10 – (2 ($1.09) + $7.75)

= $10 – $9.93

= $0.07

Hence, from the above,

We can conclude that

The change that Mara will receive is:

**Texas Test Prep**

Question 8.

Sean and Hope are going bowling. For each person, a game costs $4.25. Shoe rentals are $3.00. Sean gives the clerk $20 for their admission and shoe rental. How much change should he receive?

A. $12.75

B. $5.50

C. $9.75

D. $14.50

Answer:

It is given that

Sean and Hope are going bowling. For each person, a game costs $4.25. Shoe rentals are $3.00. Sean gives the clerk $20 for their admission and shoe rental.

So,

The total cost of a game = $4.25 + $3.00

= $7.25

So,

The total cost of a game for 2 persons = 2 ($7.25)

= $14.5

So,

The change should Sean receive = $20 – $14.50

= $5.5

Hence, from the above,

We can conclude that

The change should Sean receive is:

### Texas Go Math Grade 5 Lesson 1.8 Homework and Practice Answer Key

Question 1.

Sam wants to buy a snack from a vending machine. He needs exactly $3.20. Complete the table to find the different ways Sam could pay for the snack.

Answer:

It is given that

Sam wants to buy a snack from a vending machine. He needs exactly $3.20.

So,

The complete table that shows the different ways Sam could pay for the snack is:

Hence, from the above,

We can conclude that

The completed table shows the different ways Sam could pay for the snack. is:

Question 2.

Mandy is buying popcorn for herself and 5 friends. Each bag of popcorn costs $0.95. How much do 6 bags of popcorn cost? Complete the table to find the total cost.

Answer:

It is given that

Mandy is buying popcorn for herself and 5 friends. Each bag of popcorn costs $0.95

Now,

The given table is:

So,

According to the given information,

The completed table is:

So,

The cost of 6 bags of popcorn = 6 × $0.95

= $5.7

Hence, from the above,

We can conclude that

The cost of 6 bags of popcorn is: $5.70

Question 3.

Orlando is buying 6 bottles of water. Each bottle of water costs $1.19. How much do 6 bottles of water cost? Complete the table to find the total cost.

Answer:

It is given that

Orlando is buying 6 bottles of water. Each bottle of water costs $1.19

Now,

The given table is:

So,

According to the given information,

The completed table is:

So,

The total cost of 6 bottles of water = 6 × $1.19

= $7.14

Hence, from the above,

We can conclude that

The total cost of 6 bottles of water is: $7.14

**Problem Solving**

Question 4.

At the end of September, Ms. Diaz had an account balance of $623.41. Since then, she has written checks for $149.00 and $27.50 and made a deposit of $299.00. Ms. Diaz says her balance is $845.91. Find Ms. Diaz’s correct balance.

Answer:

It is given that

At the end of September, Ms. Diaz had an account balance of $623.41. Since then, she has written checks for $149.00 and $27.50 and made a deposit of $299.00. Ms. Diaz says her balance is $845.91.

So,

The amount of money she has at present after deposits and written checks = $299 – ($149 + $27.50)

= $122.50

So,

The total amount of money i.e, her balance money in the account = $623.41 + $122.50

= $745.91

Hence, from the above,

We can conclude that

Ms. Diaz’s correct balance is: $745.91

**Lesson Check**

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

Question 5.

One shirt costs $7.90. What is the price of 4 shirts?

A. $31.60

B. $28.36

C. $32.10

D. $31.42

Answer:

It is given that

One shirt costs $7.90

So,

The cost of 4 shirts = 4 × $7.90

= $31.60

Hence, from the above,

We can conclude that

The cost of 4 shirts is:

Question 6.

**Multi-Step** Jorge’s checking account balance is $458.00 He writes a check for $89.20 and donates $20.00 to a local charity. Then he makes a deposit of $92.19. What is his new checking account total?

A. $440.99

B. $398.80

C. $480.99

D. $256.61

Answer:

It is given that

Jorge’s checking account balance is $458.00 He writes a check for $89.20 and donates $20.00 to a local charity. Then he makes a deposit of $92.19

So,

Jorge’s new checking account total = $458 + ($92.19 – ($89.20 + $20.00))

= $458 – $17.01

= $440.99

Hence, from the above,

We can conclude that

Jorge’s new checking account total is:

Question 7.

**Multi-Step** Theodore buys a sandwich for $4.47 and two salads for $5.10 each. If he pays with a $20 bill, how much change does he receive?

A. $5.24

B. $5.21

C. $5.19

D. $5.33

Answer:

It is given that

Theodore buys a sandwich for $4.47 and two salads for $5.10 each and he pays with a $20 bill

So,

The change does Theodore received = $20 – ($4.47 + 2 ($5.10))

= $5.33

Hence, from the above,

We can conclude that

The change does Theodore received is:

Question 8.

**Multi-Step** Carleen has three quarters, four dimes, and three nickels. She spends 55 cents. How much money does she have left?

A. $0.80

B. $0.75

C. $0.60

D. $0.85

Answer:

It is given that

Carleen has three quarters, four dimes, and three nickels. She spends 55 cents

So,

The money does Carleen has left = (3 × 0.25 + 4 × 0.10 + 3 × 0.05) – $0.55

= (0.75 + 0.40 + 0.15) – $0.55

= $0.75

Hence, from the above,

We can conclude that

The money does Carleen has left is:

Question 9.

**Multi-Step** Mr. Lee has a balance of $237.35 after he wrote two checks. One check was for $350.40 and the other was for $211.25. What was his balance before he wrote the checks?

A. $597

B. $799

C. $561

D. $780

Answer:

It is given that

Mr. Lee has a balance of $237.35 after he wrote two checks. One check was for $350.40 and the other was for $211.25

So,

The balance of Mr. Lee before he wrote the checks = $237.35 + ($350.40 + $211.25)

= $799

Hence, from the above,

We can conclude that

The balance of Mr. Lee before he wrote the checks is:

Question 10.

**Multi-Step** Andrew bought balloons for his dad’s birthday for $5.30. The tax on the balloons is $0.83. If he pays with a $10 bill, how much change does he receive?

A. $3.78

B. $3.97

C. $3.87

D. $3.56

Answer:

It is given that

Andrew bought balloons for his dad’s birthday for $5.30. The tax on the balloons is $0.83. If he pays with a $10 bill

So,

The change does Andrew received = $10 – ($5.30 + $0.83)

= $3.87

Hence, from the above,

We can conclude that

The change does Andrew received is: