## Engage NY Eureka Math 3rd Grade Module 1 Lesson 10 Answer Key

### Eureka Math Grade 3 Module 1 Lesson 10 Pattern Sheet Answer Key

Multiply.

multiply by 2 (6–10)

Explanation:
Multiplied by 2 (6–10) as shown above.

### Eureka Math Grade 3 Module 1 Lesson 10 Problem Set Answer Key

Question 1.
7 × 3 = (5 × 3) + (2 × 3) = ___21_______

(5 × 3) + (2 × 3) = 15 + ___6___
15 + ___6___ = _____21________

7 × 3 = (5 × 3) + (2 × 3) =
15 + 6 = 21 or 7 × 3 = 21.

Explanation:
Given 7 × 3 wrote 7 as (5 + 2) × 3 =
(5 × 3) + (2 × 3) =
15 + 6 = 21 or 7 × 3 = 21.

Question 2.
8 × 3 = (4 × 3) + (4 × 3) = __24____

(4 × 3) + (4 × 3) = ____12_____ + _____12____ = 24,
____8_____ × 3 = ____24______

8 × 3 = (4 × 3) + (4 × 3) =
12 + 12 = 24 or 8 × 3 = 24,

Explanation:
Given 8 × 3 wrote 8 as (4 + 4) × 3 =
(4 × 3) + (4 × 3) =
12 + 12 = 24 or 8 × 3 = 24.

Question 3.
Ruby makes a photo album. One page is shown below.
Ruby puts 3 photos in each row.
a. Fill in the equations on the right.
Use them to help you draw arrays that show the photos on the top and bottom parts of the page.

Explanation:
Filled in the equations on the right as 2 × 3 = 6, 3 × 3 =9,
Used them to help to draw arrays that showed the photos on the top and bottom parts of the page as shown above in the picture.

b. Ruby calculates the total number of photos as shown below.
Use the array you drew to help explain Ruby’s calculation.

Explanation:
Ruby calculates the total 15 number of photos as shown above,
Used the array to drew to help explain Ruby’s calculation as
(2 × 3) + (3 × 3) = 6 + 9 = 15.

### Eureka Math Grade 3 Module 1 Lesson 10 Exit Ticket Answer Key

Question 1.
6 × 3 = ___18___

(4 × 3) + (2 × 3) = __12__ + ___6___
6 × 3 = _12__ + _6__
_6_ × 3 = _18__

6 × 3  = (4 × 3) + (2 × 3) = 12 + 6 = 18 or 6 × 3 = 18,

Explanation:
Given 6 × 3 wrote 6 as (4 + 2) × 3 =
(4 × 3) + (2 × 3) = 12 + 6 = 18 or 6 × 3 = 18.

Question 2.
7 × 3 = _21_

(5 × 3) + (2 × 3) = __ + __
7 × 3 = __ + __
__ × 3 = ___

7 × 3  = (5 × 3) + (2 × 3) = 15 + 6 = 21 or 7 × 3 = 21,

Explanation:
Given 7 × 3 wrote 7 as (5 + 2) × 3 =
(5 × 3) + (2 × 3) =
15 + 6 = 21 or 7 × 3 = 21.

### Eureka Math Grade 3 Module 1 Lesson 10 Homework Answer Key

Question 1.
6 × 3 = ____18______

6 × 3 = (4 × 3) + (2 × 3) = 12 + 6 = 18 or 6 × 3 = 18,

Explanation:
Given 6 × 3 wrote 6 as (4 + 2) × 3 =
(4 × 3) + (2 × 3) =
12 + 6 = 18 or 6 × 3 = 18.

Question 2.
8 × 2 = _16_

8 × 2 = (4 × 2) + (4 × 2) = 8 + 8 = 16 or 8 × 2 = 16,

Explanation:
Given 8 × 2 wrote 8 as (4 + 4) × 2 =
(4 × 2) + (4 × 2) =
8 + 8 = 16 or 8 × 2 = 16.

Question 3.
Adriana organizes her books on shelves. She puts 3 books in each row.
a. Fill in the equations on the right. Use them to draw arrays that show the books on Adriana’s top and bottom shelves.

Explanation:
Given Adriana organizes her books on shelves.
She puts 3 books in each row.
a. Filled in the equations on the right as (5 × 3), (1 × 3)
Used them to draw arrays that show the books on
Adriana’s top and bottom shelves as shown above.

b. Adriana calculates the total number of books as shown below.
Use the array you drew to help explain Adriana’s calculation.

Explanation:
Adriana calculates the total 18 number of books as shown above,
Used the array to drew to help explain Adriana’s calculation as
6 × 3 = (5 × 3) + (1 × 3) = 15 + 3 = 18 or 6 × 3 = 18.