Eureka Math Grade 3 Module 3 Lesson 13 Answer Key (2024)

Engage NY Eureka Math 3rd Grade Module 3 Lesson 13 Answer Key

Eureka Math Grade 3 Module 3 Lesson 13 Sprint Answer Key

Multiply or divide by 8

Eureka Math Grade 3 Module 3 Lesson 13 Answer Key (1)

Answer:
2 x 8 = 16, 3 x 8 = 24, 4 x 8 = 32, 5 x 8 = 40, 1 x 8 = 8, 16 / 8 = 2, 24 / 8 = 3, 40 / 8 = 5, 8 / 1 = 8, 32 / 8 = 4, 6 x 8 = 48, 7 x 8 = 56, 8 x 8 = 64, 9 x 8 = 72, 10 x 8 = 80, 64 / 8 = 8, 56 / 8 = 7, 72 / 8 = 9, 48 / 8 = 6, 80 / 8 = 10, 5 x 8 = 40, 2 x 8 = 16, 5 x 8 = 40, 4 x 8 = 32, 3 x 8 = 24, 80 / 8 = 10, 40 / 8 = 5, 8 / 1 = 8, 16 / 8 = 2, 24 / 8 = 3, 6 x 8 = 48, 8 x 8 = 64, 56 / 8 = 7, 72 / 8 = 9, 48 / 8 = 6, 64 / 8 = 8, 11 x 8 = 88, 88 / 8 = 11, 12 x 8 = 96, 96 / 8 = 12, 14 x 8 = 112, 112 / 8 = 14.

Explanation:
In the above-given question,
given that,
multiply or divide by 8.
Eureka Math Grade 3 Module 3 Lesson 13 Answer Key (2)

Multiply or divide by 8
Eureka Math Grade 3 Module 3 Lesson 13 Answer Key (3)

Answer:
1 x 8 = 8, 2 x 8 = 16, 3 x 8 = 24, 4 x 8 = 32, 5 x 8 = 40, 24 / 8 = 3, 16 / 8 = 2, 32 / 8 = 4, 8 / 1 = 8, 40 / 8 = 5, 10 x 8 = 80, 6 x 8 = 48, 7 x 8 = 56, 8 x 8 = 64, 9 x 8 = 72, 56 / 8 = 7, 48 / 8 = 6, 64 / 8 = 8, 80 / 8 = 10, 72 / 8 = 9, 2 x 8 = 16, 5 x 8 = 40, 6 x 8 = 48, 10 x 8 = 80, 3 x 8 = 24, 16 / 8 = 2, 8 / 1 = 8, 80 / 8 = 10, 40 / 8 = 5, 24 / 8 = 3, 8 x 8 = 64, 4 x 8 = 32, 9 x 8 = 72, 7 x 8 = 56, 64 / 8 = 8, 72 / 8 = 9, 48 / 8 = 6, 56 / 8 = 7, 11 x 8 = 88, 88 / 8 = 11, 12 x 8 = 96, 96 / 8 = 12, 13 x 8 = 104, 104 / 8 = 13.

Explanation:
In the above-given question,
given that,
multiply or divide by 8.
Eureka Math Grade 3 Module 3 Lesson 13 Answer Key (4)

Eureka Math Grade 3 Module 3 Lesson 13 Problem Set Answer Key

Question 1.
a. Skip-count by nine.
9 , ___18____, __27_____, 36 , ____45___, ___54____, ___63____, 72 , ___81____, ____90___

Answer:
The missing numbers are 18 , 27, 36, 45, 54, 63, 72, 81, 90.

Explanation:
In the above-given question,
given that,
count by nine.
so the numbers are 18, 27, 36, 45, 54, 63, 72, 81, 90.

b. Look at the tens place in the count-by. What is the pattern?

Answer:
The tens place in the count-by is decreasing by 1.

Explanation:
In the above-given question,
given that,
18, 27, 36, 45, 54, 63, 72, 81, 90.
so the tens place in the count by is decreasing by 1.

c. Look at the ones place in the count-by. What is the pattern?

Answer:
The ones place in the count by is increasing by 1.

Explanation:
In the above-given question,
given that,
the numbers are
18, 27, 36, 45, 54, 63, 73, 81, 90.
so the ones place in the count by is increasing by 1.

Question 2.
Complete to make true statements.
a. 10 more than 0 is __10_____,
1 less is __9_____.
1 × 9 = ___9____

Answer:
10 more than 0 is 10.
1 less is 9.
1 x 9 = 9.

Explanation:
In the above-given question,
given that,
10 more than 0 is 10.
1 less is 9.
1 x 9 = 9.

b. 10 more than 9 is ___19____,
1 less is ___18____.
2 × 9 = ___18____

Answer:
10 more than 9 is 19.
1 less is 18.
2 x 9 = 18.

Explanation:
In the above-given question,
given that,
10 more than 9 is 19.
1 less is 18.
2 x 9 = 18.

c. 10 more than 18 is ___28____,
1 less is ___27____.
3 × 9 = ___27____

Answer:
10 more than 18 is 28.
1 less is 27.
3 x 9 = 27.

Explanation:
In the above-given question,
given that,
10 more than 18 is 28.
1 less is 27.
3 x 9 = 27.

d. 10 more than 27 is ___37____,
1 less is __36_____.
4 × 9 = ___36____

Answer:
10 more than 27 is 37.
1 less is 36.
4 x 9 = 36.

Explanation:
In the above-given question,
given that,
10 more than 27 is 37.
1 less is 36.
4 x 9 = 36.

e. 10 more than 36 is ___46____,
1 less is ___45____.
5 × 9 = ___45____

Answer:
10 more than 36 is 46.
1 less is 45.
5 x 9 = 45.

Explanation:
In the above-given question,
given that,
10 more than 36 is 46.
1 less is 45.
5 x 9 = 45.

f. 10 more than 45 is ___55____,
1 less is ____54___.
6 × 9 = ___54____

Answer:
10 more than 45 is 35.
1 less is 54.
6 x 9 = 54.

Explanation:
In the above-given question,
given that,
10 more than 45 is 55.
1 less is 54.
6 x 9 = 54.

g. 10 more than 54 is ___64____,
1 less is ___63____.
7 × 9 = ___63____

Answer:
10 more than 54 is 64.
1 less is 63.
7 x 9 = 63.

Explanation:
In the above-given question,
given that,
10 more than 54 is 64.
1 less is 63.
7 x 9 = 63.

h. 10 more than 63 is ___73____,
1 less is ____72___.
8 × 9 = ____72___

Answer:
10 more than 63 is 73.
1 less is 72.
8 x 9 = 72.

Explanation:
In the above-given question,
given that,
10 more than 63 is 73.
1 less is 72.
8 x 9 = 72.

i. 10 more than 72 is ___82____,
1 less is ___81____.
9 × 9 = ____81___

Answer:
10 more than 72 is 82.
1 less is 81.
9 x 9 = 81.

Explanation:
In the above-given question,
given that,
10 more than 72 is 82.
1 less is 81.
9 x 9 = 81.

j. 10 more than 81 is ____91___,
1 less is ____90___.
10 × 9 = ___90____

Answer:
10 more than 81 is 91.
1 less is 90.
10 x 9 = 90.

Explanation:
In the above-given question,
given that,
10 more than 81 is 91.
1 less is 90.
10 x 9 = 90.

Question 3.
a. Analyze the equations in Problem 2. What is the pattern?

Answer:
It is increasing by 10.

Explanation:
In the above-given question,
given that,
10 more than 0.
1 less than 10.
9.

b. Use the pattern to find the next 4 facts. Show your work.
11 × 9 =
12 × 9 =
13 × 9 =
14 × 9 =

Answer:
11 x 9 = 99.
12 x 9 = 108.
13 x 9 = 117.
14 x 9 = 126.

Explanation:
In the above-given question,
given that,
multiply by 9 with 11, 12, 13, 14.
11 x 9 = 99.
12 x 9 = 108.
13 x 9 = 117.
14 x 9 = 126.

c. Kent notices another pattern in Problem 2. His work is shown below. He sees the following:
The tens digit in the product is 1 less than the number of groups.
The ones digit in the product is 10 minus the number of groups.
Eureka Math Grade 3 Module 3 Lesson 13 Answer Key (5)
Use Kent’s strategy to solve 6 × 9 and 7 × 9.

Answer:
6 x 9 = 54.
7 x 9 = 63.

Explanation:
In the above-given question,
given that,
6 x 9 = 54.
5 = 4 – 1.
4 = 10 – 6.
7 x 9 = 63.
6 = 7 – 1.
3 = 10 – 7.

d. Show an example of when Kent’s pattern doesn’t work.

Answer:
1 x 1 = 1.

Explanation:
In the above-given question,
given that,
Kent’s pattern doesn’t work = 1 x 1.
1 = 2 – 1.

Question 4.
Each equation contains a letter representing the unknown. Find the value of each unknown. Then, write the letters that match the answers to solve the riddle.
Eureka Math Grade 3 Module 3 Lesson 13 Answer Key (6)

Answer:
a = 6.
o = 1.
s = 4.
g = 9.
d = 8.
e = 7.
n = 3.
t = 2.
i = 1.4.

Explanation:
In the above-given question,
given that,
the multiplication and division of unknowns.
a = 6.
o = 1.
s = 4.
g = 9.
d = 8.
e = 7.
n = 3.
t = 2.
i = 1.4.
Eureka Math Grade 3 Module 3 Lesson 13 Answer Key (7)

How do you make one vanish?
Eureka Math Grade 3 Module 3 Lesson 13 Answer Key (8)
Answer:

Eureka Math Grade 3 Module 3 Lesson 13 Exit Ticket Answer Key

Question 1.
6 × 9 = 54
What is 10 more than 54? ___64____
What is 1 less? ____63___
7 × 9 = ___63____

Answer:
10 more than 54 is 64.
1 less is 63.
7 x 9 = 63.

Explanation:
In the above-given question,
given that,
10 more than 54 is 64.
1 less is 63.
7 x 9 = 63.

What is 10 more than 72? __82_____
What is 1 less? ____81___
9 × 9 = ___81____

Answer:
10 more than 72 is 82.
1 less is 81.
9 x 9 = 81.

Explanation:
In the above-given question,
given that,
10 more than 72 is 82.
1 less is 81.
9 x 9 = 81.

Question 2.
Explain the pattern used in Problem 1.

Answer:
10 more than 63 is 73.
1 less is 72.
8 x 9 = 72.

Explanation:
In the above-given question,
given that,
10 more than 63 is 73.
1 less is 72.
8 x 9 = 72.

Eureka Math Grade 3 Module 3 Lesson 13 Homework Answer Key

Question 1.
a. Skip-count by nines down from 90.
90 , ____81___, 72 , __63_____, ___54____, ____45___, 36 , ___27____, ___18____, ____9___

Answer:
The numbers are 90, 81, 72, 63, 54, 45, 36, 27, 18, 9.

Explanation:
In the above-given question,
given that,
count by nines down from 90.
90, 81, 72, 63, 54, 45, 36, 27, 18, 9.

b. Look at the tens place in the count-by. What is the pattern?

Answer:
The tens place in the count-by is increasing by 1.

Explanation:
In the above-given question,
given that,
90, 81, 72, 63, 54, 45, 36, 27, 18, 9.
The tens place in the count-by is increasing by 1.

c. Look at the ones place in the count-by. What is the pattern?

Answer:
The ones place in the count-by is decreasing by 1.

Explanation:
In the above-given question,
given that,
90, 81, 72, 63, 54, 45, 36, 27, 18, 9.
The ones place in the count-by is decreasing by 1.

Question 2.
Each equation contains a letter representing the unknown. Find the value of each unknown.
Eureka Math Grade 3 Module 3 Lesson 13 Answer Key (9)

Answer:
a = 2.
m = 3.
e = 5.
f = 5.
d = 9.
w = 3 / 2.
s = 10.
k = 1.

Explanation:
In the above-given question,
given that,
the equations with unknowns are missing.
a = 2.
m = 3.
e = 5.
f = 5.
d = 9.
w = 3 / 2.
s = 10.
k = 1.
Eureka Math Grade 3 Module 3 Lesson 13 Answer Key (10)

Question 3.
Solve.
a. What is 10 more than 0? __10__
What is 1 less? _9___
1 × 9 = _9___

Answer:
10 more than 0 is 10.
1 less is 9.
1 x 9 = 9.

Explanation:
In the above-given question,
given that,
10 more than 63 is 73.
1 less is 72.
8 x 9 = 72.

b. What is 10 more than 9? _19___
What is 1 less? __18__
2 × 9 = __18__

Answer:
10 more than 9 is 19.
1 less is 18.
2 x 9 = 18.

Explanation:
In the above-given question,
given that,
10 more than 9 is 19.
1 less is 18.
2 x 9 = 18.

c. What is 10 more than 18? __28__
What is 1 less? __27__
3 × 9 = _27___

Answer:
10 more than 18 is 28.
1 less is 27.
3 x 9 = 27.

Explanation:
In the above-given question,
given that,
10 more than 18 is 28.
1 less is 27.
3 x 9 = 27.

d. What is 10 more than 27? _37___
What is 1 less? __36__
4 × 9 = __36__

Answer:
10 more than 27 is 37.
1 less is 36.
4 x 9 = 36.

Explanation:
In the above-given question,
given that,
10 more than 27 is 37.
1 less is 36.
4 x 9 = 36.

e. What is 10 more than 36? __46__
What is 1 less? __45__
5 × 9 = __45__

Answer:
10 more than 36 is 46.
1 less is 45.
5 x 9 = 45.

Explanation:
In the above-given question,
given that,
10 more than 36 is 46.
1 less is 45.
5 x 9 = 45.

f. What is 10 more than 45? __55__
What is 1 less? __54__
6 × 9 = __54__

Answer:
10 more than 45 is 55.
1 less is 54.
6 x 9 = 54.

Explanation:
In the above-given question,
given that,
10 more than 45 is 55.
1 less is 54.
6 x 9 = 54.

g. What is 10 more than 54? __64__
What is 1 less? __63__
7 × 9 = __63__

Answer:
10 more than 54 is 64.
1 less is 63.
7 x 9 = 63.

Explanation:
In the above-given question,
given that,
10 more than 54 is 64.
1 less is 63.
7 x 9 = 63.

h. What is 10 more than 63? _73___
What is 1 less? __72__
8 × 9 = __72__

Answer:
10 more than 63 is 73.
1 less is 72.
8 x 9 = 72.

Explanation:
In the above-given question,
given that,
10 more than 63 is 73.
1 less is 72.
8 x 9 = 72.

i. What is 10 more than 72? _82___
What is 1 less? __81__
9 × 9 = __81__

Answer:
10 more than 72 is 82.
1 less is 81.
9 x 9 = 81.

Explanation:
In the above-given question,
given that,
10 more than 72 is 82.
1 less is 81.
9 x 9 = 81.

j. What is 10 more than 81? __91___
What is 1 less? __90___
10 × 9 = __90___

Answer:
10 more than 81 is 91.
1 less is 90.
10 x 9 = 90.

Explanation:
In the above-given question,
given that,
10 more than 81 is 91.
1 less is 90.
10 x 9 = 90.

Question 4.
Explain the pattern in Problem 3, and use the pattern to solve the next 3 facts.
11 × 9 = _99____
12 × 9 = __108___
13 × 9 = ___117__

Answer:
11 x 9 = 99.
12 x 9 = 108.
13 x 9 = 117.
Explanation:
In the above-given question,
given that,
multiply by 9 with 11, 12, 13.
11 x 9 = 99.
12 x 9 = 108.
13 x 9 = 117.

Eureka Math Grade 3 Module 3 Lesson 13 Answer Key (2024)
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