## Engage NY Eureka Math 3rd Grade Module 1 Lesson 15 Answer Key

### Eureka Math Grade 3 Module 1 Lesson 15 Pattern Sheet Answer Key

Multiply.   multiply by 4 (1–5)  Explanation:
Multiply by 4 (1–5) the expression as shown above.

### Eureka Math Grade 3 Module 1 Lesson 15 Problem Set Answer Key

Question 1.
Label the tape diagrams and complete the equations. Then,
draw an array to represent the problems.  Explanation:
Labeled the tape diagram and completed the equations,
Drawn an array to represent the problems as
2 × 4 = 8, 4 × 2 = 8.  Explanation:
Labeled the tape diagram and completed the equations,
Drawn an array to represent the problems as
3 × 4 = 12, 4 × 3 = 12.  Explanation:
Labeled the tape diagram and completed the equations,
Drawn an array to represent the problems as
7 × 4 = 28, 4 × 7 = 28.

Question 2.
Draw and label 2 tape diagrams to model why the statement in the box is true.  Statement in the box is true,

Explanation:
Drawn and labeled 2 tape diagrams to model the statement in the box is true because as  4 × 6 = 24 and 6 × 4 = 24, both have result value as 24, So the statement is true.

Question 3.
Grace picks 4 flowers from her garden. Each flower has 8 petals. Draw and label a tape diagram to show how many petals there are in total.

In total there are 32 petals, Explanation:
Given Grace picks 4 flowers from her garden and each flower has 8 petals. Drawn and labeled a tape diagram as shown above total number of petals are
4 × 8 = 32 petals are there in total.

Question 4.
Michael counts 8 chairs in his dining room. Each chair has 4 legs. How many chair legs are there altogether?

There are 32 chair legs altogether,

Explanation:
Given Michael counts 8 chairs in his dining room and each chair has 4 legs, So number of chair legs altogether are 8 × 4 = 32, therefore, there are 32 chair legs altogether.

### Eureka Math Grade 3 Module 1 Lesson 15 Exit Ticket Answer Key

Draw and label 2 tape diagrams to show that 4 × 3 = 3 × 4.
Use your diagrams to explain how you know the statement is true. Shown 4 × 3 = 3 X 4 as
4 cups × 3 cups = 12 cups,
3 cups x 4 cups = 12 cups,

Explanation:
Drawn and labeled 2 tape diagrams to show that 4 × 3 = 3 × 4
Used cups to explain the statement is true as taken 4 boxes of 3 cups each and 3 boxes of 4 cups each so that 4 × 3 = 3 × 4, both results values are same 12.

### Eureka Math Grade 3 Module 1 Lesson 15 Homework Answer Key

Question 1.
Label the tape diagrams and complete the equations.
Then, draw an array to represent the problems.  Explanation:
Labeled the tape diagrams and completed the equations as 4 × 3 = 12, 3 × 4 = 12 and drawn an array of  4 × 3 to represent the problems
as shown above in the picture.  Explanation:
Labeled the tape diagrams and completed the equations as 4 × 9 = 36, 9 × 4 = 36 and drawn an array of  4 × 9, 9 × 4 to represent the problems as shown above in the picture.  Explanation:
Labeled the tape diagrams and completed the equations as 6 × 4 = 24, 4 × 6 = 24 and drawn an array of  6 × 4, 4 × 6 to represent the problems as shown above in the picture.

Question 2.
Seven clowns hold 4 balloons each at the fair. Draw and label a tape diagram to show the total number of balloons the clowns hold.

The total number of balloons the clowns hold are 28, Explanation:
Given seven clowns hold 4 balloons each at the fair.
Drawn and labeled a tape diagram to show the total number of balloons the clowns hold as 7 × 4 = 28 balloons.

Question 3.
George swims 7 laps in the pool each day. How many laps does George swim after 4 days?