Go Math Grade 3 Answer Key Chapter 5 Use Multiplication Facts Extra Practice with a detailed explanation are given here. So the students who are interested to solve the additional practice questions can go through the HMH Go Math Grade 3 Answer Key Chapter 5 Use Multiplication Facts Extra Practice pdf.
Go Math Grade 3 Answer Key Chapter 5 Use Multiplication Facts Extra Practice
Learn the fundamentals of multiplications from our Go Math Answer Key Chapter 5. This chapter includes the basics of multiplication using the line plot, number line, and graphs. Students can learn simple tricks to solve the problems which help to score good marks in the exams.
Common Core – Page No. 101000
Lesson 5.1
Describe a pattern for the table. Then complete the table.
Question 1.
| Teams | 2 | 3 | 4 | 5 | 6 |
| Players | 12 | 18 | 24 | _________ | _________ |
Answer:
| Teams | 2 | 3 | 4 | 5 | 6 |
| Players | 12 | 18 | 24 | 30 | 36 |
Explanation:
Multiply 6 with a number of tables.
Multiply 6 with 5 teams = 6 × 5 = 30
Multiply 6 with 6 teams = 6 × 6 = 36
Question 2.
| Tables | 4 | 5 | 6 | 7 | 8 |
| Chairs | 16 | 20 | _________ | 28 | _________ |
Answer:
| Tables | 4 | 5 | 6 | 7 | 8 |
| Chairs | 16 | 20 | 24 | 28 | 32 |
Explanation:
Multiply 4 with number of tables.
Number of chairs for 6 tables = x
Number of chairs for 8 tables = y
Now multiply number of tables with 4 = 6 × 4 = 24
And then multiply 8 tables with 4 = 8 × 4 = 32
Therefore the missing numbers in the table are 24 and 32
Lesson 5.2
Find the unknown factor.
Question 3.
72 = 9 × t
t = _______
Answer: 8
Explanation:
t × 9 = 72
t = 72/9 = 8
The unknown factor t is 8.
Question 4.
4 × ★ = 28
★ = _______
Answer: 7
Explanation:
4 × ★ = 28
★ = 28/4 = 7
★ = 7
Question 5.
b × 5 = 30
b = _______
Answer: 6
Explanation:
b × 5 = 30
b = 30/5 = 6
Thus the unknown factor b is 6.
Question 6.
d × 3 = 24
d = _______
Answer: 8
Explanation:
d × 3 = 24
d = 24/3 = 8
Therefore the unknown factor d is 8.
Question 7.
48 = 8 × p
p = _______
Answer: 6
Explanation:
8 × p = 48
p = 48/8
p = 6
Thus the unknown factor p is 6.
Question 8.
6 × ▲ = 24
▲= _______
Answer: 4
6 × ▲= 24
▲= 24/6
▲= 4
So the unknown factor▲is 4.
Question 9.
56 = 7 × ■
■ = _______
Answer: 8
Explanation:
7 × ■ = 56
■ = 56/7
7 divides 56 eight times.
So the unknown factor ■ is 8.
Question 10.
2 × g = 20
g = _______
Answer: 10
Explanation:
2 × g = 20
g = 20/2 = 10
Therefore the unknown factor g is 10.
Question 11.
h × 7 = 35
h = _______
Answer: 5
Explanation:
h × 7 = 35
h = 35/7
h = 5
Thus the unknown factor h is 5.
Question 12.
9 = 9 × a
a = _______
Answer: 1
Explanation:
9 × a = 9
a = 9/9
a = 1
So the unknown factor a is 1.
Question 13.
c × 4 = 36
c = _______
Answer: 9
Explanation:
c × 4 = 36
c = 36/4
4 divides 36 nine times.
c = 9
Therefore the unknown factor is 9.
Question 14.
5 × y = 40
y = _______
Answer: 8
Explanation:
5 × y = 40
y = 40/5
y = 8
Thus the unknown factor is 8.
Common Core – Page No. 102000
Lesson 5.3
Solve.
Question 1.
Hailey plants 6 rows of marigolds. Each row has 20 marigolds. How many marigolds does Hailey plant in all?
_______ marigolds
Answer: 120
Explanation:
Given that, Hailey plants 6 rows of marigolds.
Each row contains 20 marigolds.
Total number of marigolds that Hailey planted in all = x
x = 20 × 6 = 120
Therefore Hailey planted 120 marigolds.
Question 2.
A meeting room has 8 rows of chairs. Each row has 10 chairs. The first people to arrive fill 2 rows. How many chairs are not filled?
_______ chairs
Answer: 60
Explanation:
Given, A meeting room has 8 rows of chairs.
Each row has 10 chairs.
Total number of chairs = 8 × 10 = 80 chairs
The first people to arrive fill 2 rows.
That means 2 × 10 = 20 chairs
Number of chairs that are not filled = total number of chairs – number of filled chairs
= 80 – 20 = 60 chairs.
Lesson 5.4
Question 3.
1. Use a number line to find the product.
4 × 30 = _______
Answer: 120
Step 1:
Starts at 0.
Step 2:
Make a jump of 30s until you reach 120.
Step 3:
Count the number of jumps till you reach 120.
Number of jumps = 4
4 × 30 = 120
Use place value to find the product.
Question 4.
40 × 8 = _______ tens × 8
= _______ tens = _______
Answer:
i. 4
ii. 32
iii. 320
Explanation:
4 × tens = 4 tens = 40
4 tens × 8 = 32 tens
32 tens = 32 × 10 = 320
Question 5.
5 × 60 = 5 × _______ tens
= _______ tens = _______
Answer:
i. 6
ii. 30 tens
iii. 300
Explanation:
60 = 6 × tens = 6 tens
5 × 6 tens = 30 tens
30 tens = 30 × 10 = 300
Lesson 5.5
Find the product.
Question 6.
9 0
× 3
——
_______
Answer: 270
Explanation:
First multiply 3 with ones = 3 × 0 = 0
Next multiply 3 with tens = 3 × 90 = 270
So the product of 90 and 3 is 270.
Question 7.
5 0
× 8
——
_______
Answer: 400
Explanation:
First multiply 8 with ones = 8 × 0 = 0
Now multiply 8 with tens = 8 × 50 = 400
The product of 50 and 8 is 400.
Question 8.
7 0
× 9
——
_______
Answer: 630
Explanation:
Multiply 9 with ones = 9 × 0 = 0
Multiply 9 with tens = 9 × 70 = 630
The product of 9 and 70 is 630.
Question 9.
8 0
× 7
——
_______
Answer: 560
Explanation:
Multiply 7 with ones = 7 × 0 = 0
And then multiply 7 with tens = 7 × 80 = 560
Thus the product of 80 and 7 is 560.
Solve.
Question 10.
During the summer, Jayden volunteers at the library for 20 hours each week for 7 weeks. How many hours does Jayden volunteer in all?
_______ hours
Answer: 140 hours
Explanation:
During the summer, Jayden volunteers at the library for 20 hours each week for 7 weeks.
For each week he worked 20 hours
Number of hours he worked for 7 weeks = y
y = 7 × 20 = 140 hours
Therefore Jayden volunteers at the library for 20 hours.
Question 11.
Trisha teaches 8 different cooking classes. There are 20 students in each class. How many students in all are in Trisha’s cooking classes?
_______ students
Answer: 160 students
Explanation:
Given,
Trisha teaches 8 different cooking classes.
There are 20 students in each class.
Total number of students = number of classes × number of students in each class
= 8 × 20 = 160 students.
Therefore the total number of students in all the cooking classes area 120.
Additional practice with a brief explanation will help the students to become masters in the subject. So make use of the links attached here to improve the math skills. If you have any queries go through the Go Math Grade 3 Answer Key Chapter 5 Use Multiplication Facts. All the Best!!!