# Go Math Grade 4 Answer Key Homework FL Chapter 3 Multiply 2-Digit Numbers Review/Test

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### Go Math Grade 4 Answer Key Homework FL Chapter 3 Multiply 2-Digit Numbers Review/Test

Moreover, educators and instructors can also make use of this Go Math Grade 4 Answer Key Homework FL Review/Test as a test paper to keep the exam and verify their student’s knowledge. We as a team designed this guide by providing detailed solutions for each and every question from Practice Tests, Chapter Tests, Cumulative Practice. Practice regularly by using the 4th Grade Go Math Chapter 3 Answer Key Review/Test and also use it as a quick reference to assess your knowledge after preparing the concepts within it.

Chapter 3: Review/Test

### Review/Test – Page No. 131

Concepts and Skills

Question 1.
Explain how to find 14 Ã— 19 by breaking apart the factors into tens and ones and finding the sum of the four partial products.

Explanation:
We can break 14 and 19 as 10+4 and 10+9 and to get the answer we will multiply both of the first two numbers by the other two. So we will multiply 10(10+9) and 4(10+9), then the values will be (100+90) and (40+36). By adding both we will get 100+90+40+36= 266

Question 2.
Explain how to find 40 Ã— 80 using mental math.

Explanation:
By using mental math we will multiply 4Ã—8= 36 and then we will add zeros, so the answer will be 3600.

Estimate the product. Choose a method.

Question 3.
80 Ã— 26

Explanation:
80
Ã—26
———
480
+160
———–
2,080

Question 4.
19 Ã— $67$ ____

Answer: $1,273. Explanation: By breaking apart the factors into tens and ones and we can find the sum of the four partial products. 19Ã—67= (10+9)Ã—(60+7) = (10Ã—60)+(10Ã—7)+(9Ã—60)+(9Ã—7) = 600+70+540+63 =$1,273.

Question 5.
43 Ã— 25

Explanation:
By breaking apart the factors into tens and ones and we can find the sum of the four partial products.
43 Ã— 25= (40+3)Ã—(20+5)
= (40Ã—20)+(40Ã—5)+(3Ã—20)+(3Ã—5)
= 800+200+60+15
= 1,075.

Question 6.
54 Ã— 83

Explanation:
By breaking apart the factors into tens and ones and we can find the sum of the four partial products.
54 Ã— 83= (50+4)Ã—(80+3)
= (50Ã—80)+(50Ã—3)+(4Ã—80)+(4Ã—3)
= 4000+150+320+12
= 4,482.

Estimate. Then find the product.

Question 7.
$2 4 Ã— 9 6 ———– Estimate:$ ________
Product: $_________ Answer: Estimate:$ 2,300
Product: $2,304 Explanation:$ 2 4
Ã— 9 6
———–
14 4
+ 216
———–
2,304

Question 8.
4 4
Ã— 6 0
————
Estimate: _________
Product: _________

Estimate: 2,600.
Product: 2,640.

Explanation:
4 4
Ã— 6 0
————
00
+264
———–
2640

Question 9.
9 9
Ã— 1 4
————
Estimate: _________
Product: _________

Estimate: 1,400
Product: 1,386

Explanation:
9 9
Ã— 1 4
————
396
+99
———–
1,386.

Question 10.
6 7
Ã— 2 5
————
Estimate: _________
Product: _________

Estimate: 1,700
Product: 1,675

Explanation:
6 7
Ã— 2 5
————
335
+134
————
1,675

Question 11.
3 6
Ã— 5 7
————
Estimate: _________
Product: _________

Estimate: 2,000.
Product: 2,052.

Explanation:
3 6
Ã— 5 7
————
252
+180
———–
2,052

Question 12.
$5 4 Ã— 2 9 ———— Estimate:$ _________
Product: $_________ Answer: Estimate: 1,600. Product: 1,566. Explanation:$ 5 4
Ã— 2 9
————
486
+108
———–
1,566

Question 13.
7 6
Ã— 3 8
————
Estimate: _________
Product: _________

Estimate: 2,900.
Product: 2,888.

Explanation:
7 6
Ã— 3 8
————
608
+228
———–
2,888.

Question 14.
8 5
Ã— 4 6
————
Estimate: _________
Product: _________

Estimate: 3,900.
Product: 3,910

Explanation:
8 5
Ã— 4 6
————
510
+340
———-
3,910.

### Review/Test – Page No. 132

Question 15.
Each month Sidâ€™s parents put $75 into his college fund. How much do his parents put in the fund during 2 years? Options: a.$150
b. $450 c.$1,800
d. $15,300 Answer: c. Explanation: As Sid’s parents put$75 into his college fund, during two years Sid’s parent’s fund $75Ã—24=$1800.

Question 16.
Mrs. Jenks wrote the correct answer to a homework problem on the board below. Which of the following could have been the homework problem?

Options:
a. 5 Ã— 4,000
b. 50 Ã— 400
c. 50 Ã— 40
d. 50 Ã— 4,000

Explanation:
Mrs. Jenks’s homework problem is 50 Ã— 40 because 50 Ã— 40= 2,000.

Question 17.
George buys 30 cartons of 18 eggs for the Community Pancake Breakfast. How many eggs does he buy?
Options:
a. 340
b. 354
c. 460
d. 540

Explanation:
As George bought 30 cartons of 18 eggs for the Community Pancake Breakfast, the number of eggs George bought is 30Ã—18= 540.

### Review/Test – Page No. 133

Question 18.
Mrs. Sampson donated a carton of pencils for each of the 35 classes at Lancet Elementary School. Each carton holds 64 pencils. Which is the best estimate for the number of pencils Mrs. Sampson donated?
Options:
a. A 99
b. B 1,800
c. C 2,400
d. D 2,800

Explanation:
As Mrs. Sampson donated a carton of pencils for each of the 35 classes at Lancet Elementary School, and each carton holds 64 pencils, so Mrs. Sampson donates 35Ã—64= 2,240. And the estimated value is 2,400.

Question 19.
The schoolâ€™s athletic department ordered 95 dozen badminton feather shuttles. How many feather shuttles were ordered?
Options:
a. A 2,280
b. B 1,140
c. C 1,030
d. D 114

Explanation:
One dozen is equal to 12. As school’s athletic department ordered 95 dozen badminton feather shuttles, so 95 dozens means

Question 20.
Jill sold 35 adult tickets and 48 child tickets for a fund-raising dinner. An adult ticket costs $18 and a child ticket costs$14. How much did Jill collect for the tickets?
Options:
a. A $1,354 b. B$1,302
c. C $1,232 d. D$1,102

Explanation:
As Jill sold 35 adult tickets and 48 child tickets for a fund-raising dinner and each adult ticket costs $18 and a child ticket costs$14, so total amount Jill collected is 35Ã—$18= 630 and 48Ã—$18= 672 by adding 630+672= $1,302. Question 21. Which shows a way to find 35 Ã— 74? Options: a. A (30 Ã— 7) + (30 Ã— 4) + (70 Ã— 3) + (70 Ã— 5) b. B (30 Ã— 70) + (30 Ã— 4) + (50 Ã— 70) + (50 Ã— 4) c. C (30 + 70) + (30 + 4) + (70 + 30) + (70 + 5) d. D (30 Ã— 70) + (30 Ã— 4) + (5 Ã— 70) + (5 Ã— 4) Answer: d Explanation: By breaking apart the factors into tens and ones and finding the sum of the four partial products, 35 Ã— 74= (30 Ã— 70) + (30 Ã— 4) + (5 Ã— 70) + (5 Ã— 4) Question 22. New seats are being delivered to the theater. There are 45 new seats for each row in a 15-row section. How many seats are being delivered? Options: a. A 60 b. B 400 c. C 675 d. D 1,000 Answer: c Explanation: As new seats are being delivered to the theater and there are 45 new seats for each row in a 15-row section, so the total number of new seats is 45Ã—15= 675. ### Review/Test – Page No. 134 Constructed Response Question 23. Gulfside Gifts has 48 boxes of postcards to sell. There are 24 postcards in each box. If the shop sells 3 boxes of postcards, how many postcards does the shop have left to sell? Explain how you found the answer. ______ remaining cards Answer: 1,080 remaining cards. Explanation: As Gulfside Gifts has 48 boxes of postcards to sell and there are 24 postcards in each box. So total number of post cards are 48Ã—24= 1,152. And the shop sold 3 boxes of postcards i.e 3Ã—24= 72, so shop has left 1,152-72= 1,080 cards are remaining to sell. Question 24. Several steps in finding the product of 68 and 34 are shown below. Describe the remaining steps. Use pictures, words, or numbers. Then complete the multiplication. _____ Answer:Â 2,312. Explanation: 68 Ã— 34 ———- 272 + 204 ——— 2,312 Performance Task Question 25. A city is having a festival in a local park. Alisonâ€™s Bakery has agreed to donate$1,200 worth of baked goods for the event. The city wants to order 12 loaves of holiday bread, 18 dozen biscuits, 12 dozen bagels, and 14 dozen multigrain rolls.
A. Is the cost of the baked goods under the $1,200 donation limit? Use pictures, numbers, or words to explain how you found your answer. Answer: Yes, the donation is under$1,200.

Explanation:
As the city ordered 12 loaves of holiday bread, 18 dozen biscuits, 12 dozen bagels, and 14 dozen multigrain rolls. And holiday bread costs $20, one dozen busicuits costs$12, and one dozen bagels costs $28, 1 dozen multigrain rolls costs$22. So by adding them
(12Ã—20)+(12Ã—18)+(12Ã—28)+(14Ã—22) we will get $1,100 which is less than$1,200

Question 25.
B. If yes, what could the city add to the order? If no, what could the city remove from the order?

Answer: The city can add whatever they want with the remaining $100. As$1,200-$1,100=$100.

### Conclusion:

We hope the information shared about the Go Math Grade 4 Answer Key Homework FL Chapter 3 Multiply 2-Digit Numbers Review/Test has benefited you in your way. For more problems to practice check out our Go Math Grade 4 Answer Key Homework Practice FLÂ Chapter 3 Multiply 2-Digit Numbers.

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