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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 solve 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
× 2
———-
Estimate: _________
Product: _________
Answer:
Estimate: 150
Product: 110
Explanation:
5 5
× 2
———-
110
Question 4.
$2 5
×  3
———-
Estimate: $ _________
Product: $ _________
Answer:
Estimate: $ 100
Product: $ 75
Explanation:
$2 5
×  3
———-
$ 75
Question 5.
3 0 6
×  8
———-
Estimate: _________
Product: _________
Answer:
Estimate: 2,500.
Product: 2,448.
Explanation:
3 0 6
×  8
———-
2,448
Question 6.
$9 2 4
×   5
———-
Estimate: $ _________
Product: $ _________
Answer:
Estimate: $ 5,000
Product: $ 4,620.
Explanation:
$9 2 4
×   5
———-
4,620
Question 7.
3, 563
×   9
———-
Estimate: _________
Product: _________
Answer:
Estimate: 30,000.
Product: 32,067
Explanation:
3, 563
×   9
———-
32,067
Question 8.
7, 048
×   7
———-
Estimate: _________
Product: _________
Answer:
Estimate: 50,000
Product: 49,336
Explanation:
7, 048
×   7
———-
49,336
Question 9.
6, 203
×   3
————
Estimate: _________
Product: _________
Answer:
Estimate: 19,000
Product: 18,609
Explanation:
6, 203
×   3
————
18,609
Question 10.
8, 798
×   6
————
Estimate: _________
Product: _________
Answer:
Estimate: 53,000
Product: 52,788
Explanation:
8, 798
×   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 × 3 = 3 × 2
b. 5 × 0 = 0
c. 3 × (5 + 2) = (3 × 5) + (3 × 2)
d. (3 × 7) × 4 = 3 × (7 × 4)
Answer: c
Explanation:
The distributive property means solving the expression in the form of a×(b+c). So the correct option is 3 × (5 + 2) = (3 × 5) + (3 × 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:
5×6,000= 30,000.
Question 13.
Which comparison sentence represents the equation?
45 = 5 × 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 40÷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 12×8= 96.
Question 16.
Which shows the product of 4 × 15 × 25?
Options:
a. 150
b. 1,200
c. 1,500
d. 1,600
Answer: c
Explanation:
The product of 4×15×25= 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 9×2,518= 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 3×4= 12, 2×4= 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.
John’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 John’s grade has 3 classrooms, and each classroom has 14 tables and two students sit at each other, so total number of students are 14×2= 28 as John has 3 classrooms, so 28×3= 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 $49×8= $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 $49×8= $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 $17×3= $51.
Conclusion:
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