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## Texas Go Math Grade 5 Lesson 13.4 Answer Key Weight

**Essential Question
**How can you compare and convert customary units of weight?

Answer:

To convert from a larger unit of weight to a smaller unit of weight, multiply.

To convert from a smaller unit of weight to a larger unit of weight, divide

**Unlock the Problem**

Hector’s school is having a model rocket competition. To qualify, each rocket must weigh 4 pounds or less. Hector’s unpainted rocket weighs 62 ounces. What is the weight of the most paint he can use for his model rocket to qualify for entry?

• What weight does Hector need to convert?

Answer:

The weight does Hector needed to convert is: Pound

• After Hector converts the weight, what does he need to do next?

Answer:

After Hector converted the weight,

He had to find the amount of paint he can use for his model rocket to qualify for entry

**Use a strip diagram to write an equation.**

Step 1

Convert 4 pounds to ounces.

Step 2

Subtract the rocket’s weight from the total ounces a rocket can weigh to qualify.

64 – 62 = 2

So, the weight of the paint can be at most 2 ounces for Hector’s model rocket to qualify for entry.

**Math Talk**

**Mathematical Processes**

How did you choose which operation to use to change from pounds to ounces? Explain.

Answer:

We know that,

1 pound = 16 ounces

Now,

From the above relationship,

We can observe that

“Pound” is a larger unit and “Ounce” is a smaller unit

Now,

We know that,

When converting from a large quantity to a small quantity, we will multiply

Hence, from the above,

We can conclude that

The operation that used to change from pounds to ounces is: Multiplication

Example

The rocket boosters for a U.S. space shuttle weigh 1,292,000 pounds each when the shuttle is launched. How many tons does each rocket booster weigh?

**Use mental math to convert pounds to tons.**

Step 1

Decide which operation to use.

Since pounds are smaller than tons,

I need to divide the number of pounds by 2,000.

Step 2

Break 2,000 into two factors that are easy to divide by mentally.

2,000 = 1,000 × 2

Step 3

Divide 1,292,000 by the first factor. Then divide the quotient by the second factor.

1,292,000 ÷ 2,000 = 646

1,292 ÷ 2 = 646

So,

Each rocket booster weighs 646 tons when launched.

**Share and Show**

Question 1.

Use the picture to complete each equation.

a. 1 pound = ___ ounces

b. 2 pounds = ___ ounces

c. 3 pounds = __ ounces

d. 4 pounds = ___ ounces

e. 5 pounds = ___ ounces

Answer:

The given table is:

Now,

From the given table,

We can observe that

1 pound = 16 ounces

So,

2 pounds = 2 × 16 ounces

= 32 ounces

3 pounds = 3 × 16 ounces

= 48 ounces

4 pounds = 4 × 16 ounces

= 64 ounces

5 pounds = 5 × 16 ounces

= 80 ounces

Hence, from the above.

We can conclude that

1 pound = 16 ounces

2 pounds = 32 ounces

3 pounds = 48 ounces

4 pounds = 64 ounces

5 ounces = 80 ounces

**Convert.**

Question 2.

15 lb = ______ oz

Answer:

The given unit is: Pound

The converted unit must be: Ounce

Now,

Now,

From the given table,

We can observe that

1 lb = 16 oz

So,

15 lb = 15 × 16 oz

= 240 oz

Hence, from the above,

We can conclude that

15 lb = 240 oz

Question 3.

3 T = ___ lb

Answer:

The given unit is: Ton

The converted unit must be: Pound

Now,

Now,

From the given table,

We can observe that

1 T = 2,000 lb

So,

3 T = 3 × 2,000 lb

= 6,000 lb

Hence, from the above,

We can conclude that

3 T = 6,000 lb

Question 4.

320 oz = __ lb

Answer:

The given unit is: Ounce

The converted unit must be: Pound

Now,

Now,

From the given table,

We can observe that

1 oz = \(\frac{1}{16}\) lb

So,

320 oz = 320 × \(\frac{1}{16}\) lb

= 20 lb

Hence, from the above,

We can conclude that

320 oz = 20 lb

**Math Talk**

**Mathematical Processes**

Explain how you can compare 11 pounds to 175 ounces mentally?

Answer:

We know that,

1 pound = 16 ounces

So,

11 pounds = 11 × 16 ounces

= 176 ounces

So,

According to the given information,

176 ounces > 175 ounces

Hence, from the above,

We can conclude that

11 pounds is greater than 175 ounces

**Problem Solving**

Question 5.

23 lb = ___ oz

Answer:

The given unit is: Pound

The converted unit must be: Ounce

Now,

Now,

From the given table,

We can observe that

1 lb = 16 oz

So,

23 Pounds = 23 × 16

= 368 Ounces

Hence, from the above,

We can conclude that

23 lb = 368 oz

Question 6.

6T = __ lb

Answer:

The given unit is: Ton

The converted unit must be: Pound

Now,

Now,

From the given table,

We can observe that

1 Ton = 2,000 Pounds

So,

6 Tons = 6 × 2,000 Pounds

= 12,000 Pounds

Hence, from the above,

We can conclude that

6 T = 12,000 lb

Question 7.

144 oz = __ lb

Answer:

The given unit is: Ounce

The converted unit must be: Pound

Now,

Now,

From the given table,

We can observe that

1 Ounce = \(\frac{1}{16}\) Pounds

So,

144 Ounces = 144 × \(\frac{1}{16}\)

= 9 Pounds

Hence, from the above,

We can conclude that

144 oz = 9 lb

Question 8.

15T = ___ lb

Answer:

The given unit is: Ton

The converted unit must be: Pound

Now,

Now,

From the given table,

We can observe that

1 Ton = 2,000 Pounds

So,

15 T = 15 × 2,000 Pounds

= 30,000 Pounds

Hence, from the above,

We can conclude that

15 T = 30,000 lb

Question 9.

352 oz = ___ lb

Answer:

The given unit is: Ounce

The converted unit must be: Pound

Now,

Now,

From the given table,

We can observe that

1 oz = \(\frac{1}{16}\) lb

So,

352 oz = 352 × \(\frac{1}{16}\) pounds

= 22 pounds

Hence, from the above,

We can conclude that

352 oz = 22 lb

Question 10.

18 lb = __ oz

Answer:

The given unit is: Pound

The converted unit must be: Ounce

Now,

Now,

From the given table,

We can observe that

1 lb = 16 oz

So,

18 Pounds = 18 × 16

= 288 Ounces

Hence, from the above,

We can conclude that

18 lb = 288 oz

**Use Symbols Compare. Write <, >, or =.**

Question 11.

130 oz 8 lb

Answer:

The given units are: Ounce, Pound

Now,

The given table is:

Now,

From the given table,

We can observe that

1 Pound = 16 Ounces

So,

8 Pounds = 8 × 16 Ounces

= 128 Ounces

So,

130 oz > 128 oz

Hence, from the above,

We can conclude that

Question 12.

16T 32,000 lb

Answer:

The given units are: Ton, Pound

Now,

The given table is:

Now,

From the given table,

We can observe that

1 Ton = 2,000 Pounds

So,

16 Tons = 16 × 2,000 Pounds

= 32,000 Pounds

So,

32,000 lb = 32,000 lb

Hence, from the above,

We can conclude that

Question 13.

14 lb 229 oz

Answer:

The given units are: Pound, Ounce

Now,

The given table is:

Now,

From the given table,

We can observe that

1 Pound = 16 Ounces

So,

14 Pounds = 14 × 16 Ounces

= 224 Ounces

So,

224 oz < 229 oz

Hence, from the above,

We can conclude that

Question 14.

**Write Math** Explain how you can use mental math to compare 7 pounds to 120 ounces.

Answer:

We know that,

1 Pound = 16 Ounces

So,

7 Pounds = 7 × 16

= 112 Ounces

So,

According to the given information,

112 Ounces < 120 Ounces

Hence, from the above,

We can conclude that

7 Pounds is smaller than 120 Ounces

**Problem Solving**

Question 15.

**H.O.T. Multi-Step** Kia wants to have 4 pounds of munchies for her party. She has 36 ounces of popcorn and wants the rest to be pretzel sticks. How many ounces of pretzel sticks does she need to buy?

Answer:

It is given that

Kia wants to have 4 pounds of munchies for her party. She has 36 ounces of popcorn and wants the rest to be pretzel sticks

Now,

We know that,

1 Pound = 16 Ounces

Now,

According to the given information,

The number of ounces of pretzel sticks does Kia need to buy = (The total number of pounds of munchies) – (The number of ounces of popcorn)

= (4 × 16) – 36

= 64 – 36

= 28 Ounces

Hence, from the above,

We can conclude that

The number of ounces of pretzel sticks does Kia need to buy is: 28 Ounces

Question 16.

**H.O.T. Multi-Step** Kevin uses 36 ounces of dried apples and 18 ounces of dried cranberries to make a fruit snack. He plans to sell the snack in \(\frac{1}{2}\)-pound containers. How many containers will he fill? Will any fruit snacks be left over?

Answer:

It is given that

Kevin uses 36 ounces of dried apples and 18 ounces of dried cranberries to make a fruit snack. He plans to sell the snack in \(\frac{1}{2}\)-pound containers

So,

The total amount of fruit snacks = (The amount of dried apples) + (The amount of dried cranberries)

= 36 + 18

= 54 Ounces

Now,

We know that,

1 pound = 16 Ounces

1 Ounce = \(\frac{1}{16}\) Pounds

So,

The total amount of fruit snacks = \(\frac{54}{16}\)

= 3 R 6

= 3 Pounds 6 Ounces

Now,

The number of containers will Kevin fill = 54 Ounces × 2

= 108 Ounces

= \(\frac{108}{16}\)

= 6 R 12

Hence, from the above,

We can conclude that

The number of containers will Kevin fill is: 6

The number of fruit snacks that will be leftover is: 12 Ounces

**Daily Assessment Task**

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

Question 17.

An elephant’s brain weighs around 11 pounds, while a human’s brain weighs about 48 ounces. How many more ounces does an elephant’s brain weigh than a human’s brain?

(A) 37 ounces

(B) 128 ounces

(C) 4 ounces

(D) 592 ounces

Answer:

It is given that

An elephant’s brain weighs around 11 pounds, while a human’s brain weighs about 48 ounces

Now,

We know that,

1 Pound = 16 Ounces

So,

The difference of Ounces between an elephant’s brain and a human’s brain = (11 × 16) – 48

= 176 – 48

= 128 Ounces

Hence, from the above,

We can conclude that

The number of more ounces does an elephant’s brain weigh than a human’s brain is:

Question 18.

**Use Symbols** Which of the following inequalities is correct?

(A) 63 ounces > 4 pounds

(B) 40 pounds < 600 ounces (C) 3.5 tons > 5,000 pounds

(D) 200 pounds < 3,000 ounces

Answer:

The inequalities that are correct is:

Question 19.

**Multi’Step** A 9-pound block of butter is delivered each morning to a restaurant. A recipe for 1 pot of soup calls for 6 ounces of butter. Using all of the butter, how many pots of soup can the restaurant make each day?

(A) 24 pots of soup

(B) 18 pots of soup

(C) 11 pots of soup

(D) 4 pots of soup

Answer:

It is given that

A 9-pound block of butter is delivered each morning to a restaurant. A recipe for 1 pot of soup calls for 6 ounces of butter

So,

The number of pots of soup the restaurant can make each day = \(\frac{9 × 16}{6}\)

= 24 pots of soup

Hence, from the above,

We can conclude that

The number of pots of soup the restaurant can make each day is:

**Texas Test Prep**

Question 20.

Carlos used 32 ounces of walnuts in a muffin recipe. How many pounds of walnuts did Carlos use?

(A) 8 pounds

(B) 4 pounds

(C) 2 pounds

(D) 1 pound

Answer:

It is given that

Carlos used 32 ounces of walnuts in a muffin recipe

Now,

We know that,

1 Ounce = \(\frac{1}{16}\) Pounds

So,

According to the given information,

The number of pounds of walnuts did Carlos used = 32 × \(\frac{1}{16}\) Pounds

= 2 Pounds

Hence, from the above,

We can conclude that

The number of pounds of walnuts did Carlos used is:

### Texas Go Math Grade 5 Lesson 13.4 Homework and Practice Answer Key

**Convert.**

Question 1.

160 oz = __ lb

Answer:

The given unit is: Ounce

The converted unit must be: Pound

Now,

Now,

From the given table,

We can observe that

1 Ounce = \(\frac{1}{16}\) Pounds

So,

160 Ounces = 160 × \(\frac{1}{16}\) Pounds

= 10 Pounds

Hence, from the above,

We can conclude that

160 oz = 10 lb

Question 2.

5 T = __ lb

Answer:

The given unit is: Ton

The converted unit must be: Pound

Now,

Now,

From the given table,

We can observe that

1 Ton = 2,000 Pounds

So,

5 Tons = 5 × 2,000 Pounds

= 10,000 Pounds

Hence, from the above,

We can conclude that

5 T = 10,000 lb

Question 3.

16 lb = ___ oz

Answer:

The given unit is: Pound

The converted unit must be: Ounce

Now,

Now,

From the given table,

We can observe that

1 Pound = 16 Ounces

So,

16 Pounds = 16 × 16 Ounces

= 256 Ounces

Hence, from the above,

We can conclude that

16 lb = 256 oz

Question 4.

12 T = __ lb

Answer:

The given unit is: Ton

The converted unit must be: Pound

Now,

Now,

From the given table,

We can observe that

1 Ton = 2,000 Pounds

So,

12 Tons = 12 × 2,000 Pounds

= 24,000 Pounds

Hence, from the above,

We can conclude that

12 T = 24,000 lb

Question 5.

128 oz = __ lb

Answer:

The given unit is: Ounce

The converted unit must be: Pound

Now,

Now,

From the given table,

We can observe that

1 Ounce = \(\frac{1}{16}\) Pounds

So,

128 Ounces = 128 × \(\frac{1}{16}\) Pounds

= 8 Pounds

Hence, from the above,

We can conclude that

128 oz = 8 lb

Question 6.

26 lb = __ oz

Answer:

The given unit is: Pound

The converted unit must be: Ounce

Now,

Now,

From the given table,

We can observe that

1 Pound = 16 Ounces

So,

26 Pounds = 26 × 16 Ounces

= 416 Ounces

Hence, from the above,

We can conclude that

26 lb = 416 oz

**Compare. Write <, >, or =.**

Question 7.

140 oz 9 lb

Answer:

The given units are: Ounce, Pound

Now,

The given table is:

Now,

From the given table,

We can observe that

1 Pound = 16 Ounces

So,

9 Pounds = 9 × 16 Ounces

= 144 Ounces

So,

140 oz < 144 oz

Hence, from the above,

We can conclude that

Question 8.

7T 15,000 lb

Answer:

The given units are: Ton, Pound

Now,

The given table is:

Now,

From the given table,

We can observe that

1 Ton = 2,000 Pounds

So,

7 Tons = 7 × 2,000 Pounds

= 14,000 Pounds

So,

14,000 lb < 15,000 lb

Hence, from the above,

We can conclude that

Question 9.

208 oz 13 lb

Answer:

The given units are: Ounce, Pound

Now,

The given table is:

Now,

From the given table,

We can observe that

1 Pound = 16 Ounces

So,

13 Pounds = 13 × 16 Ounces

= 208 Ounces

So,

208 oz = 208 oz

Hence, from the above,

We can conclude that

Question 10.

23 lb 365 oz

Answer:

The given units are: Pound, Ounce

Now,

The given table is:

Now,

From the given table,

We can observe that

1 Pound = 16 Ounces

So,

23 Pounds = 23 × 16 Ounces

= 368 Ounces

So,

368 oz > 365 oz

Hence, from the above,

We can conclude that

Question 11.

20 T 40,000 lb

Answer:

The given units are: Ton, Pound

Now,

The given table is:

Now,

From the given table,

We can observe that

1 Ton = 2,000 Pounds

So,

20 Ton = 20 × 2,000 Pounds

= 40,000 Pounds

So,

40,000 lb = 40,000 lb

Hence, from the above,

We can conclude that

Question 12.

19 lb 298 oz

Answer:

The given units are: Pound, Ounce

Now,

The given table is:

Now,

From the given table,

We can observe that

1 Pound = 16 Ounces

So,

19 Pounds = 19 × 16 Ounces

= 304 Ounces

So,

304 oz > 298 oz

Hence, from the above,

We can conclude that

Question 13.

Explain how you can use mental math to compare 175 ounces to 11 pounds.

Answer:

We know that,

1 Pound = 16 Ounces

So,

11 Pounds = 11 × 16

= 176 Ounces

So,

175 oz < 176 oz

Hence, from the above,

We can conclude that

175 Ounces is less than 11 Pounds

**Problem Solving**

Question 14.

Peanuts in bulk bins at the grocery store cost $0.30 per ounce. How much would 2 pounds of peanuts cost?

Answer:

It is given that

Peanuts in bulk bins at the grocery store cost $0.30 per ounce

Now,

We know that,

1 Pound = 16 Ounces

So,

According to the given information,

The cost of 2 pounds of peanuts = (The number of pounds of peanuts) × (The number of Ounces for each Pound) × (The cost of peanuts for each Ounce)

= 2 × 16 × $0.30

= 32 × $0.30

= $9.6

Hence, from the above,

We can conclude that

The cost of 2 pounds of peanuts is: $9.6

Question 15.

Pecans in bulk bins at the grocery store cost $0.65 per ounce. How much would you spend if you bought 1 pound 8 ounces of peanuts and 2 pounds of pecans?

Answer:

It is given that

Pecans in bulk bins at the grocery store cost $0.65 per ounce.

Now,

We know that,

1 Pound = 16 Ounces

Now,

From Exercise 14,

Peanuts in bulk bins at the grocery store cost $0.30 per ounce.

So,

According to the given information,

The total amount of money spent = (Te total cost of peanuts) + (the total cost of peacons)

= (16 + 8) × $0.30 + (2 × 16) × $0.65

= $7.2 + $20.8

= $28

Hence, from the above,

We can conclude that

The total amount of money spent is: $28

**Texas Test Prep**

**Lesson Check**

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

Question 16.

Greg’s cocker spaniel weighs 32 pounds. His kitten weighs 15 ounces. How many more ounces does the cocker spaniel weigh than the kitten?

(A) 256 ounces

(B) 241 ounces

(C) 497 ounces

(D) 512 ounces

Answer:

It is given that

Greg’s cocker spaniel weighs 32 pounds. His kitten weighs 15 ounces

Now,

We know that,

1 Pound = 16 Ounces

So,

The number of more ounces does the cocker spaniel weigh than the kitten = (32 × 16) – 15

= 512 – 15

= 497 Ounces

Hence, from the above,

We can conclude that

The number of more ounces does the cocker spaniel weigh than the kitten is:

Question 17.

The snack machine at the ballpark contains 48 ounces of potato chips. How many pounds of chips are in the snack machine?

(A) 4 pounds

(B) 2 pounds

(C) 6 pounds

(D) 3 pounds

Answer:

It is given that

The snack machine at the ballpark contains 48 ounces of potato chips

Now,

We know that,

1 Ounce = \(\frac{1}{16}\) Pounds

So,

According to the given information,

The number of pounds of chips are in the snack machine = 48 × \(\frac{1}{16}\)

= 3 Pounds

Hence, from the above,

We can conclude that

The number of pounds of chips are in the snack machine is:

Question 18.

A bag of corn chips weighs 8 ounces. How many bags of chips weigh 12 pounds?

(A) 24

(B) 6

(C) 16

(D) 48

Answer:

It is given that

A bag of corn chips weighs 8 ounces

Now,

We know that,

1 Pound = 16 Ounces

So,

8 Ounces = 8 × \(\frac{1}{16}\)

= \(\frac{1}{2}\) Pounds

So,

According to the given information,

The number of bags of chips that weigh 12 pounds = 12 ÷\(\frac{1}{2}\)

= 12 × 2

= 24 bags

Hence, from the above,

We can conclude that

Question 19.

Which expression could be used to convert 86,000 pounds to tons?

(A) 86,000 ÷ 1,000

(B) 86,000 × 1,000

(C) 86,000 × 2,000

(D) 86,000 ÷ 2,000

Answer:

We know that,

1 Pound = \(\frac{1}{2,000}\) Tons

Hence, from the above,

We can conclude that

The expression that could be used to convert 86,000 pounds to tons is:

Question 20.

Which of the following inequalities is correct?

(A) 12.5 pounds > 200 ounces

(B) 490 ounces > 30 pounds

(C) 6 tons < 10,000 pounds

(D) 8,000 pounds < 4 tons

Answer:

The following inequalities that are correct is:

Question 21.

A car weighs 2 tons. How many ounces equal 2 tons?

(A) 64,000

(B) 4,000

(C) 32,000

(D) 6,400

Answer:

It is given that

A car weighs 2 tons

Now,

We know that,

1 Ton = 2,000 Pounds

1 Pound = 16 Ounces

So,

According to the given information,

2 tons = 2 × 2,000 × 16

= 64,000 Ounces

Hence, from the above,

We can conclude that

The number of Ounces that equals to 2 Tons is:

Question 22.

**Multi-Step** Eight baseballs weigh 40 ounces. How many pounds do 16 baseballs weigh?

(A) 5 pounds

(B) 4 pounds

(C) 20 pounds

(D) 80 pounds

Answer:

It is given that

Eight baseballs weigh 40 ounces

Now,

We know that,

1 Ounce = \(\frac{1}{16}\) Pounds

So,

The total weight of 16 baseballs = (The weight of 8 baseballs) × 2

= 40 ×2

= 80 Ounces

So,

The total weight of 16 baseballs in Pounds = 80 ×\(\frac{1}{16}\)

= 5 Pounds

Hence, from the above,

We can conclude that

The total weight of 16 baseballs in Pounds is:

Question 23.

**Multi-Step** A football weighs 14 ounces. A carton of footballs weighs 7 pounds. How many footballs are in a carton?

(A) 12

(B) 8

(C) 7

(D) 4

Answer:

It is given that

A football weighs 14 ounces. A carton of footballs weighs 7 pounds

Now,

We know that,

1 Pound = 16 Ounces

So,

The weight of a carton in Ounces = 7 × 16

= 112 Pounds

So,

According to the given information,

The number of footballs that are in a carten = \(\frac{112}{14}\)

= 8 footballs

Hence, from the baove,

We can conclude that

The number of footballs that are in a carton is: