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 12.5 Answer Key Divide by 4.

## Texas Go Math Grade 3 Lesson 12.5 Answer Key Divide by 4

**Essential Question**

What strategies can you use to divide by 4?

**Unlock the Problem**

A tree farmer plants 12 red maple trees in 4 equal rows. How many trees are in each row?

• What strategy could you use to solve the problem’

Answer: The strategy used is the** division method** to solve the problem

**One Way**

Make an array.

- Look at the array.
- Continue the array by drawing 1 tile in each of the 4 rows until all 12 tiles are drawn.
- Count the number of tiles in each row.

Answer:

There are _3__ tiles in each row.

So, there are _4_ trees in each row.

Write: _12__ ÷ _4__ = __3__ or

Read: Twelve divided by four equals three.

**Math Talk
Mathematical processes**

Explain how making an array to solve the problem is like making equal groups.

**Other Ways**

**A. Make equal groups.**

- Draw 1 counter in each group.
- Continue drawing 1 counter at a time until all 12 counters are drawn.

**Answer:
**

There are _3_ counters in each group.

B. Use factors to find 12 ÷ 4.

The factors of 4 are 2 and 2.

**Answer: 12÷4=3.**

C. Use a related multiplication fact.

**Answer: 12÷4=3**

**Remember**

A letter or symbol, like n, can stand for an unknown number.

**Share and Show**

Question 1.

Use the array to find 28 ÷ 4. ____

Answer: **7
Explanation:
**

**Make an array.**

**Look at the array.****Continue the array by drawing 1 tile in each of the 4 rows until all 28 tiles are drawn.****Count the number of tiles in each row.**

**There are _7_ tiles in each row.**

**And 4 rows and a total of 28 tiles are there.**

**Write: _28__ ÷ _4__ = __7__.**

** ****Math Talk**

**Mathematical Processes**

Explain how you used the array to find the quotient.

**Find the quotient.**

Question 2.

___ = 21 ÷ 3

Answer: **7
Explanation:
**

**Make an array.**

**Look at the array.****Continue the array by drawing 1 tile in each of the 3 rows until all 21 tiles are drawn.****Count the number of tiles in each row.**

**There are _7_ tiles in each row.**

**And 3 rows and a total of 21 tiles are there.**

**Write: _21__ ÷ _3_ = __7__.**

** **Question 3.

8 ÷ 4 = ____

Answer: **2
Explanation:
**

**Make an array.**

**Look at the array.****Continue the array by drawing 1 tile in each of the 2 rows until all 8 tiles are drawn.****Count the number of tiles in each row.**

**There are 4 tiles in each row.**

**And 2 rows and a total of 8 tiles are there.**

**Write: _8__ ÷ _4_ = __2_.**

** **Question 4.

___ = 40 ÷ 5

Answer: **8
Explanation:
**

**Make an array.**

**Look at the array.****Continue the array by drawing 1 tile in each of the 5 rows until all 40 tiles are drawn.****Count the number of tiles in each row.**

**There are 8 tiles in each row.**

**And 5 rows and a total of 40 tiles are there.**

**Write: _40__ ÷ _5_ = __8_.**

** **Question 5.

24 ÷ 4 = ___

Answer: **6
Explanation:
**

**Make an array.**

**Look at the array.****Continue the array by drawing 1 tile in each of the 4 rows until all 24 tiles are drawn.****Count the number of tiles in each row.**

**There are 6 tiles in each row.**

**And 4 rows and a total of 24 tiles are there.**

**Write: _24_ ÷ _4_ = __6_.**

** **

**Problem Solving**

**Practice: Copy and Solve Draw tiles to make an array.**

**Find the quotient.**

Question 6.

30 ÷ 10

Answer: **3
Explanation:
**

**Make an array.**

**Look at the array.****Continue the array by drawing 1 tile in each of the 3 rows until all 30 tiles are drawn.****Count the number of tiles in each row.**

**There are 10 tiles in each row.**

**And 3 rows and a total of 30 tiles are there.**

**Write: _30_ ÷ _10_ = __3_.**

Question 7.

15 ÷ 5

Answer: **3
Explanation:
**

**Make an array.**

**Look at the array.****Continue the array by drawing 1 tile in each of the 3 rows until all 15 tiles are drawn.****Count the number of tiles in each row.**

**There are 5 tiles in each row.**

**And 3 rows and a total of 15 tiles are there.**

**Write: _15_ ÷ _5_ = __3_.**

Question 8.

40 ÷ 4

Answer: **10
Explanation:
**

**Make an array.**

**Look at the array.****Continue the array by drawing 1 tile in each of the 4 rows until all 40 tiles are drawn.****Count the number of tiles in each row.**

**There are 10 tiles in each row.**

**And 4 rows and a total of 40 tiles are there.**

**Write: _40_ ÷ _4_ = __10_.**

Question 9.

16 ÷ 2

Answer: **8
Explanation:
**

**Make an array.**

**Look at the array.****Continue the array by drawing 1 tile in each of the 2 rows until all 16 tiles are drawn.****Count the number of tiles in each row.**

**There are 8 tiles in each row.**

**And 2 rows and a total of 16 tiles are there.**

**Write: _16_ ÷ _2_ = __8_.**

** ****Find the unknown number.**

Question 10.

45 ÷ 5 = b

b= _**9_**_

Answer: **9
Explanation:
The factors of 5 are 1,5.
1*5=5
5*1=5
The factors of 45 are 9,5
5*9=45
9*5=45, these are the multiplication factors.
**

Question 11.

20 ÷ 10 = e

e = _**2**__

Answer: **2
Explanation:
The factors of 10 are 2,5
The factors of 20 are 2,4,5,10,20.
**

Question 12.

Answer: **4
Explanation:
divide 8 with 2then we get 4.**

Question 13.

24 ÷ 3 = h

h = __**8**_

Answer: **8
The factors of 3 are 1,3
The factors of 24 are 3,8,1,24.
**

**Algebra Complete the table.**

Question 14.

Answer: **3,4,5,6
Explanation:
**

Question 15.

Answer: **5,6,7,8
Explanation:
**

**H.O.T. Algebra Find the unknown number.**

Question 16.

14 ÷ __ = 7

Answer: **2
Explanation:
14÷n=7
Use a related multiplication factor
14=7*n
get 7 into the left side then 7 will be divided.
14÷7=n
2=n
Therefore, n=2**

Question 17.

30 ÷ ___ = 6

Answer: **5
Explanation:
30÷n=6
Use a related multiplication factor
30=6*n
get 6 into the left side then 6 will be divided.
30÷6=n
n=5**

Question 18.

8 ÷ ___ = 2

Answer: **4
Explanation:
8÷n=2
Use a related multiplication factor
8=2*n
get 2 into the left side then 2 will be divided.
8÷2=n
n=4**

Question 19.

24 ÷ __ = 8

Answer: **3
Explanation:
24÷n=8
Use a related multiplication factor
24=8*n
get 8 into the left side then 8 will be divided.
24÷8=n
3=n**

**Problem Solving**

**Use the table for 20-22.**

Question 20.

Derek planted dogwood trees in groups of 4. How many groups of trees did he plant?

Answer: **6
Explanation:
The number of dogwood trees Derek planted=24 {given in the table}
The number of groups he planted=4
The number of plants in each group=24÷4=6
Therefore, he planted 6 plants.**

Question 21.

**Multi-Step** Douglas planted the birch trees in 4 equal rows. Then he added 2 more birch trees to each row. How many trees did he plant in each row?

Answer: **6
Explanation:
The number of birch trees Derek planted=16 {given in the table}
The number of groups he planted=4
After that, he added 2 more trees to each row=16+6=24
The number of plants in each group=24÷4=6
Therefore, he planted 6 plants.**

Question 22.

**H.O.T. Multi-Step** Mrs. Banks planted the oak trees in 4 equal rows. Mr. Webb planted the dogwood trees in 3 equal rows. Who planted more trees in each row? How many more? Explain how you know.

Answer:

**The number of oak trees Banks planted=28 {given in the table}**

**The number of groups he planted=4**

**The number of trees he planted in each group=28÷4=7
7 oak trees Banks planted in each row.
The number of dogwood trees Webb planted=24{given in the table}
The number of groups he planted=3
The number of trees he planted in each row=24÷3=8
8 dogwood trees were planted in each row by Webb.
Therefore, Webb planted more trees on each row.
Therefore, 8-7=1 more tree is there.**

Question 23.

**H.O.T.** **Write Math** Bryan earns $40 mowing lawns each week. He earns the same amount of money for each lawn. If he mows 4 lawns, how much does Bryan earn for each lawn? Use Math Language to explain how you found your answer.

Answer: **10
Explanation:
The amount Bryan earns for mowing lawns each week=40$
The number of lawns he mows=4
The amount Bryan earn for each lawn=40/4=10
Therefore, 10$ for each lawn.**

**Daily Assessment Task**

**Fill in the bubble for the correct answer choice. You may use models to help you solve.**

Question 24.

**Representations** Jill has 12 shrimp. She puts an equal number of shrimp on 4 pizzas. How many shrimp does Jill put on each pizza?

(A) 2

(B) 3

(C) 4

(D) 8

Answer: Option **B** is correct.

**Explanation:
The number of shrimps Jill has=12
The number of shrimps she puts on pizza=4
The number of shrimps she puts on each pizza=12/4=3.
Therefore, she puts 3 shrimps.**

Question 25.

Ralph puts 36 chairs in 4 equal rows How many chairs does he put in each row?

(A) 4

(B) 7

(C) 8

(D) 9

Answer: Option **D** is correct.

**Explanation:
The number of chairs Ralph puts =36
The number of rows he puts equally=4
The number of chairs he puts in each row=36/4=9
Therefore, he puts 9 chairs.**

Question 26.

**Multi-Step** Mia puts 15 animal stickers in 3 equal rows in her sticker hook She puts 28 flower stickers in 4 equal rows. How many more flower stickers than animal stickers are in each row?

(A) 1

(B) 2

(C) 5

(D) 7

Answer: Option **B** is correct.

**Explanation:
Total number of animal stickers Mia puts=15
Number of equal rows for animal stickers=3
Number of animal stickers in each row=15/3=5
Total number of flower stickers Mia puts=28
Number of equal rows for flower stickers=4
Number of flower stickers in each row=28/4=7
The number of more flower stickers than animal stickers are in each row=7-5=2.
**

**Texas Test Prep**

Question 27.

Aaron planted 16 tomato plants in 4 equal rows How many tomato plants are in each row?

(A) 20

(B) 8

(C) 4

(D) 3

Answer: Option **C** is correct.

**Explanation:
The number of tomato plants Aaron planted=16
The number of equal rows=4
The number of tomato plants in each row=16/4=4.
Therefore, 4 plants in each row.**

### Texas Go Math Grade 3 Lesson 12.5 Homework and Practice Answer Key

**Draw tiles to make an array. Find the quotient.**

Question 1.

16 ÷ 4 ____

Answer: **4
Explanation:
**

**Make an array.**

**Look at the array.****Continue the array by drawing 1 tile in each of the 4 rows until all 16 tiles are drawn.****Count the number of tiles in each row.**

**There are 4 tiles in each row.**

**And 4 rows and a total of 16 tiles are there.**

**Write: _16_ ÷ _4_ = _4_.**

Question 2.

12 ÷ 6 = ___

Answer: **2
Explanation:
**

**Make an array.**

**Look at the array.****Continue the array by drawing 1 tile in each of the 2 rows until all 12 tiles are drawn.****Count the number of tiles in each row.**

**There are 6 tiles in each row.**

**And 2 rows and a total of 12 tiles are there.**

**Write: 12 ÷ 6 = 2.**

Question 3.

15 ÷ 3 = ___

Answer: **5
Explanation:
**

**Make an array.**

**Look at the array.****Continue the array by drawing 1 tile in each of the 3 rows until all 15 tiles are drawn.****Count the number of tiles in each row.**

**There are 5 tiles in each row.**

**And 3 rows and a total of 15 tiles are there.**

**Write: 15 ÷ 3 = 5.**

**Problem Solving**

**Use the table for 7-9.**

Question 7.

Nate arranges the baskets of lettuce into 4 equal rows. How many baskets of lettuce are in each row?

Answer: **8
Explanation:
The number of baskets of lettuce=32 { already given in the table}
The number of rows he arranges =4
The number of lettuce in each row=32÷4=8
Therefore, 8 lettuce in each row.**

Question 8.

Tia arranges the baskets of cabbage in 4 equal rows. She adds another basket to each row. How many baskets are in each row?

Answer: **4
Explanation:
The number of baskets of cabbage=12
The number of equal rows she arranged=4
Now, she adds another basket to every row=12+4=16
Now, The number of baskets in each row =16÷4=4.
Therefore, 4 baskets in each row.**

Question 9.

The farm stand gets 2 more baskets of broccoli. Erin wants to put them in equal rows of 4. Can she do this?

Explain.

Answer: **No, she cannot,
Explanation:
Already we have 16 baskets of broccoli in the given table. Here, the farm stand gets another 2 baskets. so totally, 16+2=18. Now 18 baskets of broccoli are there. Here she wants to put in 4 equal rows. If we divide 18÷4=4.5. she can put more than 4 equal rows. But, here question asked was 4 equal rows. so she cannot place in 4 equal rows.**

**Lesson Check**

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

Question 10.

Mr. Benz arranges 24 music stands in class. He puts the stands in 4 equal rows. How many music stands are in each row?

(A) 6

(B) 8

(C) 20

(D) 7

Answer: Option **A** is correct.

**Explanation:
The number of music stands Benz arranges in a class=24
The number of equal rows=4**

**The number of music stands in each row=24÷4=6**

Therefore, 6 stands in each row.

Therefore, 6 stands in each row.

Question 11.

There are 36 members in a marching band. They march in 4 equal rows. How many band members are in each row?

(A) 32

(B) 8

(C) 7

(D) 9

Answer: Option **D** is correct.

**Explanation:
The number of members in a marching band=36
The number of equal rows in march=4
The number of band members in each row=36÷4=9
Therefore, 9 members in a row.**

Question 12.

Evan spends $16 on 4 books. Each book costs the same amount. How much does each book cost?

(A) $12

(B) $4

(C) $5

(D) $6

Answer: Option **B** is correct.

**Explanation:
The amount Evan spends on books=16$
The number of books she spends=4
The cost of each book=16÷4=4$
Therefore, she spends 4$ on each book.**

Question 13.

There are 20 children at a party. The children are seated in equal groups at 4 tables. How many children are at each table?

(A) 24

(B) 6

(C) 5

(D) 16

Answer: Option **C** is correct.

**Explanation:
The total number of children at a party=20
The number of children seated in equal groups=4
The number of children is at each table=20÷4=5.
Therefore, 5 children at each table.**

Question 14.

**Multi-Step** Monty has 16 toy cars in 4 equal groups and 24 toy boats in 3 equal groups. How many more toy boats are in each group than toy cars?

(A) 8

(B) 12

(C) 4

(D) 6

Answer: Option **C** is correct.

**Explanation:
The number of toys cars Monty has=16
The number of equal groups for cars=4
The number of toys boats Monty has=24
The number of equal groups for boats=3
The number of toys cars in each group=16÷4=4
The number of toys boats in each group=24÷3=8
The number of more toy boats are in each group than toy cars=8-4=4.
Therefore, 4 more toy boats are present.
**Question 15.

**Multi-Step**Debra has 24 books in 4 equal piles and 20 magazines in 4 equal piles. If you stacked a pile of magazines on a pile of books, how many are in the pile?

(A) 6

(B) 7

(C) 8

(D) 11

Answer: Option

**D**is correct.

**Explanation:**

Total number of books Debra have in a pile=24

The number of equal piles for books=4

Total number of magazines Debra have in a pile=20

The number of equal piles for magazines=4

Now we need to find the number of books in each pile=24÷4=6

The number of magazines in each pile=20÷4=5

If she stacked a pile of magazines on a pile of books, then the number of total items in a pile could be=6+5=11.

Therefore, 11 items in a pile because there are 6 books and 5 magazines in each pile.

Total number of books Debra have in a pile=24

The number of equal piles for books=4

Total number of magazines Debra have in a pile=20

The number of equal piles for magazines=4

Now we need to find the number of books in each pile=24÷4=6

The number of magazines in each pile=20÷4=5

If she stacked a pile of magazines on a pile of books, then the number of total items in a pile could be=6+5=11.

Therefore, 11 items in a pile because there are 6 books and 5 magazines in each pile.