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## Texas Go Math Grade 5 Lesson 3.5 Answer Key Multiply Money

**Essential Question**

How can the strategy draw a diagram help you solve a decimal multiplication problem?

**Unlock the Problem**

A group of friends go to a local fair. Jayson spends S3.75.

Maya spends 3 times as much as Jayson. Tía spends $5.25 more than Maya.

How much does Tia spend?

Use the graphic organizer below to help you solve the problem.

**Read**

What do I need to find?

I need to find ______Tia____

What information am I given?

I need to use the amount spent by __Jayson_ to find the amount spent by and _Maya__ at the fair.

**plan**

What is my plan or strategy?

I can draw a diagram to show ___Tia____

**Solve**

The amount of money Maya and Tia spend depends on the amount Jayson spends.

Draw a diagram to compare the amounts without calculating.

Then, use the diagram to fìnd the amount each person spends.

Jayson: $3.75

Maya: 3 × _$3.75__ = _$11.25__

Tia: _$11.25__ + $5.25 = __16.5__

So, Tia spent _$16.5_ at the fair.

**Try Another Problem**

Julie’s savings account has a balance of $57.85 in January.

By March, her balance is 4 times as much as her January balance.

Between March and November, Julie deposits a total of $78.45.

If she does not withdraw any money from her account, what should Julie’s balance be in November?

• How can the strategy draw a diagram help you solve a decimal multiplication problem?

Answer:

Julie’s balance in November $367.7,

Explanation:

**Math talk**

**Mathematical Processes**

Describe a different diagram you could use to solve the problem.

Answer:

Drawn diagram using Squares to solve the problem,

Explanation:

**Share and Show**

Question 1.

Manuel collects $45.18 for a fundraiser. Gerome collects $18.07 more than Manuel.

Cindy collects 2 times as much as Gerome.

How much money does Cindy collect for the fundraiser?

First, draw a diagram to show the amount Manuel collects.

Then, draw a diagram to show the amount Gerome collects.

Next, draw a diagram to show the amount Cindy collects.

Finally, find the amount each person collects.

Cindy collects ___ for the fundraiser.

Answer:

Explanation:

Manuel collects $45.18 for a fundraiser.

Gerome collects $18.07 more than Manuel,

So Gerome collects $18.07 + $45.18 = $63.25,

Cindy collects 2 times as much as Gerome means 2 X $63.25 = $126.50,

How much money does Cindy collect for the fundraiser?

First, draw a diagram to show the amount Manuel collects.

Then, draw a diagram to show the amount Gerome collects.

Next, draw a diagram to show the amount Cindy collects.

Finally, find the amount each person collects.

Cindy collects $126.50 for the fundraiser.

Question 2.

What if Gerome collects $9.23 more than Manuel? If Cindy still

collects 2 times as much as Gerome, how much money would Cindy collect?

Answer:

Cindy Collected $108.82,

Explanation:

Given Manuel collects $45.18 for a fundraiser,

If Gerome collects $9.23 more than Manuel then

Gerome collected $45.18 + $9.23 = $54.41,

Cindy collected 2 times as much as Gerome,

So, 2 X $54.41 = $108.82, therefore money Cindy collected is $108.82.

**Problem Solving**

Question 3.

**H.O.T. Multi-Step** It costs $5.15 to rent a kayak for 1 hour at a local state park.

The price per hour stays the same for up to 5 hours of rental.

After 5 hours, the cost decreases to $3.75 per hour.

How much would it cost to rent a kayak for 6 hours?

Answer:

It costed $29.50 to rent a kayak for 6 hours,

Explanation:

Given It costed $5.15 to rent a kayak for 1 hour at a local state park.

The price per hour stays the same for up to 5 hours of rental.

After 5 hours, the cost decreases to $3.75 per hour.

The cost to rent a kayak for 6 hours is for first

5 hours it is 5 X $5.15 = $25.15,

for 6 hours it is $25.15 + $ 3.75 = $29.50.

Question 4.

**H.O.T. Multi-Step** Jenn buys a pair of jeans for $24.99.

Her friend Karen spends $3.50 more for the same pair of jeans.

Vicki paid the same price as Karen for the jeans but bought 2 pairs.

How much did Vicki spend?

Answer:

Vicki Spent $56.98 for 2 pair of jeans,

Explanation:

Given Jenn buys a pair of jeans for $24.99,

Her friend Karen spends $3.50 more for the same pair of jeans.

Vicki paid the same price as Karen for the jeans but bought 2 pairs,

So amount Vicki spent is 2($24.99 + $3.40) = 2($28.49) = $56.98.

**Daily Assessment Task**

Question 5.

Apply A recipe for chili calls for three types of beans.

How much will the beans cost if black beans are $12.15,

kidney beans are $16.27 and spicy refried beans are twice the cost of black beans?

(A) $40.57

(B) $52.72

(C) $54.69

(D) $60.96

Answer:

(B) $52.72,

Explanation:

Given a recipe for chili calls for three types of beans.

The beans cost if black beans are $12.15 + kidney beans are $16.27

+ spicy refried beans are twice the cost of black beans 2($12.15) =

$12.15 + $16.27 + $24.30 = $52.72 matches with (B).

Question 6.

Use Math Language Ada and Chen are cooking different chili recipes.

Ada spent $21.88 on ingredients while Chen spent twice as much as Ada.

What method could you use to find out how much Chen spent on ingredients?

(A) Divide $21.88 by 2.

(B) Add $21.88, $14.44, and $14.44.

(C) Add $21.88, $21.88, and $21.88.

(D) Multiply $21.88 by 2.

Answer:

(D) Multiply $21.88 by 2,

Explanation:

Given using Math Language Ada and Chen are cooking different chili recipes,

Ada spent $21.88 on ingredients while Chen spent twice as much as Ada.

Method we could use to find out how much Chen spent on ingredients is

Ada spent $21.88 and Chen has spent twice as much as Ada,

So chen spent 2 X $21.88 which matches with (D) Multiply $21.88 by 2.

Question 7.

**Multi-Step** Marco spent $17.18 on tomatoes. Then he spent three times as

much on peppers. How much did he spend on tomatoes and peppers?

(A) $17.18

(B) $57.81

(C) $51.54

(D) $68.72

Answer:

(D) $68.72,

Explanation:

Given Marco spent $17.18 on tomatoes. Then he spent three times as

much on peppers.

Marco spent on tomatoes and peppers is $17.18 + 3($17.18) =

$17.18 + 3 X $17.18,

$17.18 + $51.54 = $68.72 matches with (D).

**Texas Test Prep**

Question 8.

At a bagel shop in town, each bagel costs $0.79.

If Mr. Thomas buys a box of 8 bagels,

how much will he pay for the bagels?

(A) $6.32

(B) $87.90

(C) $63.20

(D) $8.79

Answer:

(A) $6.32,

Explanation:

Given at a bagel shop in town each bagel costs $0.79.

If Mr. Thomas buys a box of 8 bagels, The amount he will pay

for the bagels is $0.79 X 8 = $6.32, Matches with (A).

### Texas Go Math Grade 5 Lesson 3.5 Homework and Practice Answer Key

Question 1.

Brandy buys 6 packs of party favors. The favors cost $3.49 per pack.

She pays $1.26 in sales tax. How much does Brandy spend on the party favors?

Answer:

Brandy spent on the party favors $22.2,

Explanation:

Given Brandy buys 6 packs of party favors. The favors cost $3.49 per pack.

She pays $1.26 in sales tax. Therefore Brandy spent on the party favors is

6 X $3.49 + $1.26 = $20.94 + $1.26 = $22.2.

Question 2.

Hector sells his used books at a garage sale for $2.75 each.

On Saturday, he sells 3 books. On Sunday, he sells 7 books.

How much does Hector make selling his books?

Answer:

Hector made $27.5 by selling his books,

Explanation:

Given Hector sells his used books at a garage sale for $2.75 each,

On Saturday he sells 3 books- So collected 3 X $2.75 = $8.25,

On Sunday, he sells 7 books- So collected 7 X $2.75 = $19.25,

Hector made $8.25 + $19.25 = $27.5 by selling his books.

Question 3.

The original price for a case of paper is $12.88. The case of printer paper is on

sale for 0.5 times the original price. How much will Alison spend on 5 cases of

printer paper if she buys them on sale?

Answer:

Alison spent on 5 cases of printer paper if she buys them on sale is $32.2,

Explanation:

Given the original price for a case of paper is $12.88.

The case of printer paper is on sale for 0.5 times the original price.

The price of case of printer paper is $12.88 X 0.5 = $6.44,

As Alison spend on 5 cases of printer paper if she buys them on sale is

5 X $6.44 = $32.2.

Question 4.

Jordan has $14.56 in her wallet. Nico has three times as much

money as Jordan in his wallet.

Avery has $5.25 more than Nico. How much money does Avery have?

Answer:

Avery have $48.93 in all,

Explanation:

Given Jordan has $14.56 in her wallet. Nico has three times as much

money as Jordan in his wallet, So Nico has 3 X $14.56 = $43.68,

As Avery has $5.25 more than Nico, So money does Avery have

is $43.68 + $5.25 = $48.93.

Question 5.

In September, Ellen deposits $52.00 in her savings account. The next month,

she deposits $22.50 more in her account. In November, Ellen deposits four times

the amount she deposits in October.

How much does Ellen deposit in her account in the three months?

Answer:

Ellen deposited in her account in three months is $424.5,

Explanation:

Given in September Ellen deposits $52.00 in her savings account,

The next month she deposited $22.50 more in her account,

In October she had $52.00 + $22.50 = $74.50, As in November

Ellen deposited four times the amount she deposited in October,

So in November, Ellen deposited 4 X $74.50 = $298,

In total Ellen deposited in her account in three months is

$52.00 + $74.50 + $298 = $424.5.

Question 6.

Leticia buys a magazine and rents 2 movies for her weekend entertainment.

The price of a movie rental is $4.95. The magazine costs $5.99.

How much does Leticia spend on her weekend entertainment?

Answer:

Leticia spent on her weekend entertainment is $14.85,

Explanation:

Given Leticia buys a magazine and rents 2 movies for her weekend entertainment.

The price of a movie rental is $4.95. The magazine costs $5.99.

Rents 2 movies for her weekend entertainment is 2 X $4.95 = $9.9

Leticia spent on her weekend entertainment is $4.95 + $9.9 = $14.85.

**Problem Solving**

Question 7.

Sam and Justin each rent a bike for 4 hours. The rental price for 1 bike is $4.35 per hour.

Then the boys decide to ride together on a tandem bike for another hour for $6.75.

What is the total cost of the boys’ bike rental?

Answer:

The total cost of the boy’s bike rental is $41.55,

Explanation:

Given Sam and Justin each rent a bike for 4 hours,The rental price for 1 bike is $4.35 per hour.

Sam rented price is 4 X $4.35 = $17.4, Similarly Justin rented price is $17.4,

As the boys decided to ride together on a tandem bike for another hour for $6.75

the total cost of the boy’s bike rental is $17.4 + $17.4 + $6.75 = $41.55.

Question 8.

Kevan spends $19.99 at the mall. Amir spends $2.99 more than Kevan.

Raul spends twice as much as Amir. How much does Raul spend?

Answer:

Raul spends $45.96,

Explanation:

Given Kevan spends $19.99 at the mall. Amir spends $2.99 more than Kevan.

So Amir spended $19.99 + $2.99 = $22.98

Raul spends twice as much as Amir. Therefore Raul spends 2 X $22.98 = $45.96.

**Texas Test Prep**

Fill in the bubble completely to show your answer.

Question 9.

Amelia spent $3.16 on peaches. Then she spent four times as much on raspberries.

How much did she spend on peaches and raspberries?

(A) $12.64

(B) $15.80

(C) $6.32

(D) $8.50

Answer:

(B) $15.80,

Explanation:

Given Amelia spent $3.16 on peaches. Then she spent four times as much on raspberries,

So raspberries she has spent is 4 X $3.16 = $ 12.64, Now Amelia spent on

peaches and raspberries is $3.16 + $12.64 = $15.80 which matches with (B).

Question 10.

Ryan buys 3 cans of tennis balls for $2.67 each. He buys 2 pairs of socks for $3.55 each.

He pays with a $20 bill. How much change does Ryan get?

(A) $2.64

(B) $15.11

(C) $13.78

(D) $4.89

Answer:

(D) $4.89,

Explanation:

Given Ryan buys 3 cans of tennis balls for $2.67 each, So Ryan buys for

3 X $2.67 = $8.01, Ryan buys 2 pairs of socks for $3.55 each it costed

2 X $3.55 = $7.10, He pays $20 and he gets a change of $20 – ($8.01+ $7.10),

= $20 – $15.11 = $4.89 matches with (D).

Question 11.

Sonya counts the coins in her coin purse. She has 7 quarters, 11 dimes, and 15 nickels.

She has two more pennies than the number of quarters and dimes combined.

What is the value of Sonya’s coins?

(A) $3.80

(B) $3.65

(C) $3.70

(D) $3.95

Answer:

(A) $3.80,

Explanation:

Given Sonya counts the coins in her coin purse. She has 7 quarters,

11 dimes and 15 nickels.

7 quarters X 1/40 = $0.175,

11 dimes X 0.01 = $0.11,

15 nickels X 0.05 = $0.75,

= $0.175 + $0.11 + $0.75 = $1.035,

She has two more pennies than the number of quarters and dimes combined is

(2 X $0.01) + $0.175 + $0.11 = $0.02 + $0.175 + $0.11 = 0.305,

The value of Sonya’s coins is (A) $3.80.

Question 12.

Chef Michaels spends $24.46 on ingredients for a cake and $13.92 on ingredients for a pie.

What method could you use to find out how much Chef Michaels spends on

ingredients for the cake if he doubles the recipe?

(A) Add $24.46 and $13.92.

(B) Add $24.46, $24.46, and $13.92.

(C) Multiply $24.46 by 2.

(D) Divide $24.46 by 2.

Answer:

(B) Add $24.46, $24.46, and $13.92,

Explanation:

Given Chef Michaels spends $24.46 on ingredients for a cake and

$13.92 on ingredients for a pie.

The method we could use to find out how much Chef Michaels spends on

ingredients for the cake if he doubles the recipe is adding $24.46 and $24.46

and $13.92 which matches with (B).

Question 13.

**Multi-Step** At the farmer’s market, heirloom tomatoes cost $5.99 a pounds

beefsteak tomatoes cost $3.19 a pound, and cherry tomatoes cost $2.99 a pound.

Joe bought 2 pounds of each type of tomato. How much did he spend on tomatoes?

(A) $21.35

(B) $12.17

(C) $24.34

(D) $18.16

Answer:

(C) $24.34,

Explanation:

Given at the farmer’s market heirloom tomatoes cost $5.99 pounds,

beefsteak tomatoes cost $3.19 a pound and cherry tomatoes cost $2.99 a pound.

Joe bought 2 pounds of each type of tomato,

heirloom tomatoes cost 2 X $5.99 pound = $11.98,

heirloom tomatoes cost 2 X $5.99 pound = $6.38,

cherry tomatoes cost 2 X $2.99 a pound = $5.98,

Total tomatoes cost are $11.98 + $6.38 + $5.98 = $24.34.

Question 14.

**Multi-Step** Carnations cost $0.99 each, daisies cost $1.75 each, and lilies cost $2.26 each.

How much would an arrangement cost that is made with 3 carnations,

two more daisies than carnations, and twice as many lilies as daisies?

(A) $34.32

(B) $15.51

(C) $25.28

(D) $40.59

Answer:

(D) $40.59,

Explanation:

Given Carnations cost $0.99 each, daisies cost $1.75 each and lilies cost $2.26 each.

The arrangement cost that is made with 3 carnations is 3 X ($0.99 + $1.75 + $2.26) =

= 3 X $5.00 = $15.00, Now two more daisies than carnations is

(2 X $1.75) + $15.00 = $3.50 + $15.00 = $18.50 and

twice as many lilies as daisies is (2 X $2.26) + $1.75 = $4.52 +$1.75 = $6.27,

therefore arrangement cost is $15.00 + $18.50 + $6.27 =$40.59.