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## Texas Go Math Grade 4 Lesson 15.7 Answer Key Metric Units of Mass and Liquid Volume

**Essential Question**

How can you convert metric units of mass and liquid volume?

Answer:

1 kilogram = 1000 grams

1 liter = 1000 milliliters.

**Unlock the Problem**

Mass is the amoLuu of matter in an object. Metric units of mass include kilograms (kg) and grams (g). Liters (L) and milliliters (mL) are metric units of liquid volume.

The charts show the relationship between these units.

**Example 1** Convert larger units to smaller units.

Becky planted a flower garden full of bluebonnets. She used 9 kilograms of soil. How many grams of soil is that?

So, Becky used ___________ grams of soil to plant her blue bonnets.

Answer:

So, Becky used 9000 grams of soil to plant her blue bonnets.

Are kilograms larger or smaller than grams?

Answer: kilograms larger than grams

Explanation:

1 kilogram= 1000 grams

Will the number of grams be greater than or less than the number of kilograms?

Answer: number of grams be less than the number of kilograms

What operation will you use to solve the problem?

Answer:

We used multiplication to solve the problem.

**Example 2** Convert smaller units to larger units.

Becky used 5,000 milliliters of water to water her bluebonnet garden. How many liters of water is that?

So, Becky used __________ liters of water.

Answer:

So, Becky used 5 liters of water.

**Math Talk**

Mathematical Processes

Compare the size of a kilogram to the size of a gram. Then compare the size of a liter to the size of a milliliter.

Answer:

1 kilogram = 1000 grams

1 liter = 1000 milliliters.

**Share and Show**

Question 1.

There are 3 liters of water in a pitcher. How many milliliters of water are in the pitcher?

There are ___________ milliliters in 1 liter. Since I am changing from a larger unit to a smaller unit, I can ___________ 3 by 1,000 to find the number of milliliters in 3 liters.

So, there are ___________ milliliters of water in the pitcher.

Answer:

There are 1000 milliliters in 1 liter. Since I am changing from a larger unit to a smaller unit, I can multiply 3 by 1,000 to find the number of milliliters in 3 liters.

So, there are 3000 milliliters of water in the pitcher.

**Complete.**

Question 2.

4 liters = ___________ milliliters

Answer: 4000

Explanation:

There are 1000 milliliters in 1 liter. Since I am changing from a larger unit to a smaller unit, I can multiply 4 by 1,000 to find the number of milliliters in 4 liters.

So, Answer is 4000 milliliters.

Question 3.

6 kilograms = ___________ grams

Answer: 6000

Explanation:

There are 1000 grams in 1 kilogram. Since I am changing from a larger unit to a smaller unit, I can multiply 6 by 1,000 to find the number of grams in 6 kilograms.

So, Answer isÂ 6000 grams.

Question 4.

8,000 grams = ___________ kilograms

Answer: 8 kilograms.

Explanation:

There are 1000 grams in 1 kilogram. Since I am changing from a Smaller unit to a larger unit, I can divide 8000 by 1,000 to find the number of kilograms in 8,000 grams.

So, Answer isÂ 8 kilograms.

Question 5.

7 liters = ___________ milliliters

Answer: 7000

Explanation:

There are 1000 milliliters in 1 liter. Since I am changing from a larger unit to a smaller unit, I can multiply 7 by 1,000 to find the number of milliliters in 7 liters.

So, Answer is 7000 milliliters.

**Math Talk**

Mathematical Processes

Explain how you found the number of grams in 6 kilograms in Exercise 3.

Answer:

There are 1000 grams in 1 kilogram. Since I am changing from a larger unit to a smaller unit, I can multiply 6 by 1,000 to find the number of grams in 6 kilograms.

So, Answer isÂ 6000 grams.

**Problem Solving**

Question 6.

Frank wants to fill a fish tank with 8 liters of water.

How many milliliters is that?

Answer: 8000

Explanation:

There are 1000 milliliters in 1 liter. Since I am changing from a larger unit to a smaller unit, I can multiply 8 by 1,000 to find the number of milliliters in 8 liters.

So, Answer is 8000 milliliters.

Question 7.

Kim has 3 water bottles. She fills each bottle with 1,000 milliliters of water. How many liters of water does she have?

Answer: 3 liters

Explanation:

There are 1000 milliliters in 1 liter.

So 3x 1000 milliliters = 3000 milliliters

Now convert to liters

Since I am changing from a smaller unit to a larger unit, I can divide 3000 by 1,000 to find the number of liters in 3000 milliliters.

So, the Answer is 3 liters.

Question 8.

**H.O.T. Multi-Step** A 500-gram bag of granola costs $4, and a 2-kilogram bag of granola costs $15. What is the cheapest way to buy 2,000 grams of granola? Explain.

Answer: To buy a 2-kilogram bag of granola is cheap.

Explanation:

A 500-gram bag of granola costs $4. to buy 2,000 grams of granola need to buy 4 bags. Since 4 x 500 grams = 2000 grams

So cost isÂ 4 x 4 = $16

A 2-kilogram bag of granola costs $15. 1 kilogram is equal to 1000 grams.

2 kilograms = 2 x 1000 grams= 2000 grams

to buy 2,000 grams of granola need to buy $15.

**Lesson 15.7 Metric Units of Mass 4th Grade Question 9.**

**Sense or Nonsense?** The worldâ€™s largest apple had a mass of 1,849 grams. Sue said the mass was greater than 2 kilograms. Does Sueâ€™s statement make sense? Explain.

Answer: No. It does not make sense

Explanation:

1 kilogram = 1000 grams

2 kilogram = 2000 grams

1849 < 2000. So Sue’s statement does not make sense.

**Unlock the Problem**

Question 10.

**H.O.T. Apply Multi-Step** Lori bought 600 grams of cayenne pepper and 2 kilograms of black pepper. How many grams of pepper did she buy?

Answer: 2600 grams

Explanation:

1 kilogram = 1000 grams

2 kilogram = 2000 grams

600 grams of cayenne pepper and 2 kilograms of black pepper = 600 grams + 2000 grams = 2600 grams

a. What are you asked to find?

Answer: How many grams of pepperÂ she bought in all.

b. What information will you use?

Answer: Lori bought 600 grams of cayenne pepper and 2 kilograms of black pepper

c. Tell how you might solve thâ‚¬ problem.

Answer: Changing from a larger unit to a smaller unit

d. Show how you solved the problem.

Answer:

1 kilogram = 1000 grams

2 kilogram = 2000 grams

600 grams of cayenne pepper and 2 kilograms of black pepper = 600 grams + 2000 grams = 2600 grams

e. Complete the sentences.

Lori bought __________ grams of cayenne pepper.

She bought __________ grains of black pepper.

__________ + __________ = __________ grams

So, Lori bought __________ grams of pepper in all.

Answer:

Lori bought 600 grams of cayenne pepper.

She bought 2000 grams grains of black pepper.

600 + 2000 = 2600 grams

So, Lori bought 2600 grams of pepper in all.

**Daily Assessment Task**

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

Question 11.

The largest natural pearl in the world has a mass of about 6,000 grams. What is the mass of the pearl in kilograms?

(A) 600 kilograms

(B) 6 kilograms

(C) 60,000 kilograms

(D) 60 kilograms

Answer: B

Explanation:

There are 6000 grams in 1 kilogram. Since I am changing from a Smaller unit to a larger unit, I can divide 6000 by 1,000 to find the number of kilograms in 6,000 grams.

So, Answer isÂ 6 kilograms.

Question 12.

Jen puts 10 liters of water in her aquarium. How many milliliters of water does she put in the aquarium?

(A) 100,000 milliliters

(B) 1,000 milliliters

(C) 100 milliliters

(D) 10,000 milliliters

Answer: B

Explanation:

There are 1000 milliliters in 1 liter. Since I am changing from a larger unit to a smaller unit, I can multiply 10 by 1,000 to find the number of milliliters in 10 liters.

So, Answer is 10,000 milliliters.

Question 13.

**Multi-Step** Terry buys 3 kilograms of peanuts for a baseball game. He puts the peanuts in bags of 200 grams each. How many bags of peanuts does he have?

(A) 3,000 bags

(B) 150 bags

(C) 15 bags

(D) 50 bags

Answer:Â C

Explanation:

There are 1000 grams in 1 kilogram. Since I am changing from a larger unit to a smaller unit, I can multiply 3 by 1,000 to find the number of grams in 3 kilograms.

So, it isÂ 3000 grams.

He puts the peanuts in bags of 200 grams each. 3000 Ã· 200 = 15

**Texas Test Prep**

Question 14.

Caroline bought a bag of onions that was labeled 5 kilograms. She needs to know how many grams that is for her recipe. How many grams is 5 kilograms?

(A) 5,000 grams

(B) 50 grams

(C) 50,000 grams

(D) 500 grams

Answer: A

Explanation:

There are 1000 grams in 1 kilogram. Since I am changing from a larger unit to a smaller unit, I can multiply 5 by 1,000 to find the number of grams in 5 kilograms.

So, it isÂ 5000 grams.

### Texas Go Math Grade 4 Lesson 15.6 Homework and Practice Answer Key

**Complete.**

Question 1.

5,000 grams = ___________ kilograms

Answer: 5

Explanation:

There are 5000 grams in 1 kilogram. Since I am changing from a Smaller unit to a larger unit, I can divide 5000 by 1,000 to find the number of kilograms in 5,000 grams.

So, Answer isÂ 5 kilograms.

Question 2.

3 liters = ___________ milliliters

Answer: 3000

Explanation:

There are 1000 milliliters in 1 liter. Since I am changing from a larger unit to a smaller unit, I can multiply 3 by 1,000 to find the number of milliliters in 3 liters.

So, Answer is 3,000 milliliters.

Question 3.

9 kilograms = ___________ grams

Answer: 9000

Explanation:

There are 1000 grams in 1 kilogram. Since I am changing from a Smaller unit to a larger unit, I can divide 9000 by 1,000 to find the number of kilograms in 8,000 grams.

So, Answer isÂ 9 kilograms.

Question 4.

6,000 milliliters = ___________ liters

Answer:

Explanation:

There are 1000 milliliters in 1 liter. Since I am changing from a Smaller unit to a larger unit, I can divide 6000 by 1,000 to find the number of liters in 6000Â milliliters .

So, Answer isÂ 6 liters .

**Problem Solving**

Question 5.

A bucket holds 10 liters of water. How many milliliters of water does it hold?

Answer: 10,000 milliliters

Explanation:

There are 1000 milliliters in 1 liter. Since I am changing from a larger unit to a smaller unit, I can multiply 10 by 1,000 to find the number of milliliters in 10 liters.

So, Answer is 10,000 milliliters.

Question 6.

Jessieâ€™s cat has a mass of 5 kilograms. How many grams is Jessie’s cat?

Answer: 5000 grams

Explanation:

There are 1000 grams in 1 kilogram. Since I am changing from a larger unit to a smaller unit, I can multiply 5 by 1,000 to find the number of grams in 5 kilograms.

So, it isÂ 5000 grams.

Question 7.

Austin bought 2,500 grams of red apples and 3,500 grams of green apples. How many kilograms of apples did Austin buy?

Answer: 6Â kilograms

Explanation:

2500 + 3500 = 6000

There are 1000 grams in 1 kilogram. Since I am changing from a Smaller unit to a larger unit, I can divide 6000 by 1,000 to find the number of kilograms in 6000 grams.

So, Answer isÂ 6 kilograms.

Question 8.

Kendal has a 5 liter bottle of orange juice and a 3 liter bottle of grapefruit juice. How many more milliliters of orange juice than grapefruit juice does she have?

Answer: 2000 milliliters

Explanation:

There are 1000 milliliters in 1 liter. Since I am changing from a larger unit to a smaller unit, I can multiply 5 by 1,000 to find the number of milliliters in 5 liters.

So, it is 5,000 milliliters orange juice.

There are 1000 milliliters in 1 liter. Since I am changing from a larger unit to a smaller unit, I can multiply 3 by 1,000 to find the number of milliliters in 3 liters.

So, it is 3,000 milliliters orange juice.

5000 – 3000 = 2000 milliliters

Question 9.

Kent’s backpack has a mass of 6 kilograms. Brent s backpack has a mass of 8 kilograms. How many grams greater is the mass of Brent’s backpack?

Answer:Â 2000 grams

Explanation:

Kent’s backpack has a mass of 6 kilograms. 6 x 100 grams = 6000 grams

Brent s backpack has a mass of 8 kilograms. 8 x 1000 grams = 8000 grams

8000 – 6000 = 2000 grams

Question 10.

A bottle can hold 2 liters of water. The bottle has 500 milliliters of water in it. How many â€™ milliliters more can the bottle hold?

Answer: 1500 milliliters

Explanation:

A bottle can hold 2 liters of water = 2 x 1000 = 2000 milliliters

The bottle has 500 milliliters of water in it.

2000 – 500 =1500 milliliters

Question 11.

The maximum amount a picture hook can hold is 5 kilograms. Can Jamie hang a picture that has a mass of 4,600 grams on the hook? Explain.

Answer: Yes.

Explanation:

The maximum amount a picture hook can hold is 5 kilograms. 5 x 1000=5000 grams

5000 > 4600.

**Lesson Check**

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

Question 12.

A punch bowl holds 16 liters, How many milliliters does the punch bowl hold?

(A) 1,600 milliliters

(B) 160 milliliters

(C) 16,000 milliliters

(D) 160,000 milliliters

Answer: C

Explanation:

There are 1000 milliliters in 1 liter. Since I am changing from a larger unit to a smaller unit, I can multiply 16 by 1,000 to find the number of milliliters in 16 liters.

So, Answer is 16,000 milliliters.

Question 13.

Tim bought a block of cheese that is labeled 4 kilograms. He wants to cut the cheese into blocks that weigh 200 grams. How? many blocks of cheese can Tim cut?

(A) 20

(B) 80

(C) 8

(D) 200

Answer: B

Explanation:

Tim bought a block of cheese that is labeled 4 kilograms. 4 x 1000 = 4000 grams

4000 Ã· 200 =80

Question 14.

Allen bought a 3-kilogram squash and a 2-kilogram squash. How many grams of squ ash did Allen buy in all?

(A) 50,000 grams

(B) 500 grams

(C) 50 grams

(D) 5,000 grams

Answer: D

Explanation:

1 kilogram = 1000 grams

3-kilogram squash and a 2-kilogram squash = 3 x 1000 + 2 x 1000 = 5000 grams

Question 15.

How many 25 milliliter doses of plant food can Tim get from a 1-liter bottle of plant food?

(A) 40

(B) 4

(C) 400

(D) 4,000

Answer: A

Explanation:

1-liter = 1000 milliliters

1000 Ã·25 =40

Question 16.

**Multi-Step** Maria has a 2-liter bottle of juice. She pours two 300 milliliter glasses of juice. How much juice is left in the bottle?

(A) 1,940 milliliters

(B) 1,400 milliliters

(C) 800 milliliters

(D) 1,700 milliliters

Answer: B

Explanation:

Maria has a 2-liter bottle of juice. 2 x 1000 =2000

She pours two 300 milliliter glasses of juice = 2 x 300 =600

2000 – 600 = 1400 milliliters

Question 17.

**Multi-Step** Hannah bought a bag of pears that has a mass of 5 kilograms. She used 1,600 grams of pears for a recipe. What is the mass of the pears she has left?

(A) 3,400 grams

(B) 34 kilograms

(C) 3,400 kilograms

(D) 340 grams

Answer: C

Explanation:

Hannah bought a bag of pears that has a mass of 5 kilograms. 5 x 1000 grams = 5000 grams

She used 1,600 grams of pears for a recipe

5000 – 1600 = 3400 grams