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### Go Math Grade 4 Answer Key Homework FL Chapter 2 Multiply by 1-Digit Numbers Review/Test

Improve your conceptual learning through the* Go Math Grade 4 Answer Key Homework FL Review/Test.* This guide is very helpful to tally your answers & correct the mistakes by providing various methods to solve the questions. Learn the concepts properly and approach different techniques to solveÂ problems in Chapter 2 Multiply by 1-Digit Numbers.

**Chapter 2: Review/Test**

- Review/Test – Page No. 95
- Review/Test – Page No. 96
- Review/Test – Page No. 97
- Review/Test – Page No. 98

### Review/Test – Page No. 95

**Vocabulary**

**Choose the best term from the box.**

Question 1.

To find the product of a 3-digit number and a 1-digit number, you can multiply the ones, multiply the tens, multiply the hundreds, and find the sum of each.

_________

Question 1.

Question 2.

The _______________________ states that multiplying a sum by a number is the same as multiplying each addend by the number and then adding the products.

Answer:

The distributive property states that multiplying a sum by a number is the same as multiplying each addend by the number and then adding the products.

**Concepts and Skills**

**Estimate. Then find the product.**

Question 3.

5 5

Ã— 2

———-

Estimate: _________

Product: _________

Answer:

Estimate: 150

Product: 110

Explanation:

5 5

Ã— 2

———-

110

Question 4.

$2 5

Ã—Â Â 3

———-

Estimate: $ _________

Product: $ _________

Answer:

Estimate: $ 100

Product: $ 75

Explanation:

$2 5

Ã—Â Â 3

———-

$ 75

Question 5.

3 0 6

Ã—Â Â 8

———-

Estimate: _________

Product: _________

Answer:

Estimate: 2,500.

Product: 2,448.

Explanation:

3 0 6

Ã—Â Â 8

———-

2,448

Question 6.

$9 2 4

Ã—Â Â Â 5

———-

Estimate: $ _________

Product: $ _________

Answer:

Estimate: $ 5,000

Product: $ 4,620.

Explanation:

$9 2 4

Ã—Â Â Â 5

———-

4,620

Question 7.

3, 563

Ã—Â Â Â 9

———-

Estimate: _________

Product: _________

Answer:

Estimate: 30,000.

Product: 32,067

Explanation:

3, 563

Ã—Â Â Â 9

———-

32,067

Question 8.

7, 048

Ã—Â Â Â 7

———-

Estimate: _________

Product: _________

Answer:

Estimate: 50,000

Product: 49,336

Explanation:

7, 048

Ã—Â Â Â 7

———-

49,336

Question 9.

6, 203

Ã—Â Â Â 3

————

Estimate: _________

Product: _________

Answer:

Estimate: 19,000

Product: 18,609

Explanation:

6, 203

Ã—Â Â Â 3

————

18,609

Question 10.

8, 798

Ã—Â Â Â 6

————

Estimate: _________

Product: _________

Answer:

Estimate: 53,000

Product: 52,788

Explanation:

8, 798

Ã—Â Â Â 6

————

52,788

### Review/Test – Page No. 96

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

Question 11.

Which number sentence shows the Distributive Property?

Options:

a. 2 Ã— 3 = 3 Ã— 2

b. 5 Ã— 0 = 0

c. 3 Ã— (5 + 2) = (3 Ã— 5) + (3 Ã— 2)

d. (3 Ã— 7) Ã— 4 = 3 Ã— (7 Ã— 4)

Answer: c

Explanation:

The distributive property means solving the expression in the form of aÃ—(b+c). So the correct option is 3 Ã— (5 + 2) = (3 Ã— 5) + (3 Ã— 2).

Question 12.

Look at the pattern below. What is the missing number?

Options:

a. 8,000

b. 6,000

c. 600

d. 60

Answer: b

Explanation:

5Ã—6,000= 30,000.

Question 13.

Which comparison sentence represents the equation?

45 = 5 Ã— 9

a. 9 more than 5 is 45

b. 9 is 5 times as many as 45

c. 5 is 4 times as many as 45

d. 45 is 5 times as many as 9

Answer: d

Explanation:

45 is 5 times as many as 9.

Question 14.

There are 4 times as many alligators as crocodiles. If the total number of alligators and crocodiles is 40, how many alligators are there?

Options:

a. 40

b. 32

c. 24

d. 8

Answer: b

Explanation:

As there are 4 times as many alligators as crocodiles and if the total number of alligators and crocodiles is 40. To find how many alligators are there, we will put them in a group of 5 as there are 4 alligators and 1 crocodile, so 40Ã·5= 8 groups, in which 32 are alligators and 8 are crocodiles.

### Review/Test – Page No. 97

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

Question 15.

Gardeners at Seed Stop are planting seeds in 12-row seed trays. They plant 8 seeds in each row. How many plants will there be in each tray if all of the seeds germinate, or grow?

Options:

a. 84

b. 86

c. 96

d. 104

Answer: c

Explanation:

As gardeners at Seed Stop are planting seeds in 12-row seed trays, and they plant 8 seeds in each row. So the number of plants will there be in each tray are 12Ã—8= 96.

Question 16.

Which shows the product of 4 Ã— 15 Ã— 25?

Options:

a. 150

b. 1,200

c. 1,500

d. 1,600

Answer: c

Explanation:

The product of 4Ã—15Ã—25= 1,500.

Question 17.

A Broadway musical group will have 9 performances. The theater can seat 2,518 people. If all of the seats at each performance are taken, how many people will see the show?

Options:

a. 18,592

b. 22,652

c. 22,662

d. 31,622

Answer: c

Explanation:

As a broadway musical group will have 9 performances and the theater can seat 2,518 people, so number of people will see the show are 9Ã—2,518= 22,662.

Question 18.

The table below shows the type of film sold and the number of rolls in one pack at a local gift shop.

Hannah buys 3 packs of 36 exposure film and 2 packs of 24 exposure film. She uses 8 rolls of film. How many rolls does she have left?

Options:

a. 8

b. 12

c. 20

d. 24

Answer: b

Explanation:

Hannah buys 3 packs of 36 exposure film and 2 packs of 24 exposure film, so the total number of films are 3Ã—4= 12, 2Ã—4= 8 which is 12+8= 20. And she uses 8 rolls, then the number of rolls left are 20-8= 12.

### Review/Test – Page No. 98

**Constructed Response**

Question 19.

Johnâ€™s grade has 3 classrooms. Each classroom has 14 tables. Two students sit at each table. About how many students are there in all? Use pictures, words, or numbers to show how you know.

About ______ students

Answer: 84 students.

Explanation:

As Johnâ€™s grade has 3 classrooms, and each classroom has 14 tables and two students sit at each other, so total number of students are 14Ã—2= 28 as John has 3 classrooms, so 28Ã—3= 84 students.

**Performance Task**

Justin has $450 to buy supplies for the school computer lab. He buys 8 boxes of printer paper that cost $49 each.

Question 20.

A. About how much money does Justin spend on the printer paper? Describe how you made your estimate.

About $ ______

Answer: $400.

Explanation:

As each printer paper costs $49 and Justin buys 8 boxes, so total costs $49Ã—8= $392. And the estimated cost is $400.

Question 20.

B. Find the actual amount of money Justin spends on the printer paper. Explain whether your estimate is close to the actual price.

Actual price $ ______

Answer: $392.

Explanation:

The actual amount of money Justin spends on the printer paper is $49Ã—8= $392. Yes, the estimation is close to the actual price.

Question 20.

C. Will Justin have enough money left over to buy 3 packages of blank DVDs that cost $17 each? Explain your answer.

Answer: Yes, Justin will have enough money left.

Explanation:

As Justin left some money which is $450-$392= $51, after he bought printer paper for $392, so he can buy 3 packages of blank DVDs that cost $17 each which costs $17Ã—3= $51.

### Conclusion:

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