## Engage NY Eureka Math 5th Grade Module 1 Lesson 11 Answer Key

### Eureka Math Grade 5 Module 1 Lesson 11 Problem Set Answer Key

Question 1.

Solve by drawing disks on a place value chart. Write an equation, and express the product in standard form.

a. 3 copies of 2 tenths

Answer:- 3 × 0.2 = 0.6

b. 5 groups of 2 hundredths

Answer:- 5 × 0.02 = 0.1

c. 3 times 6 tenths

Answer:- 3 × 0.6 = 1.8

d. 6 times 4 hundredths

Answer:- 6 × 0.04 = 0.24

e. 5 times as much as 7 tenths

Answer:- 5 × 0.7 = 3.5

f. 4 thousandths times 3

Answer:- 0.004 × 3 = 0.012

Question 2.

Draw a model similar to the one pictured below for Parts (b), (c), and (d). Find the sum of the partial products to evaluate each expression.

a. 7 × 3.12

Answer:-

b. 6 × 4.25

Answer:-

c. 3 copies of 4.65

Answer:-

d. 4 times as much as 20.075

Answer:-

Question 3.

Miles incorrectly gave the product of 7 × 2.6 as 14.42. Use a place value chart or an area model to help Miles understand his mistake.

Answer:- 7 × 2.6 = 18.2

Question 4.

Mrs. Zamir wants to buy 8 protractors and some erasers for her classroom. She has $30. If protractors cost $2.65 each, how much will Mrs. Zamir have left to buy erasers?

Answer:- Mrs. Zamir has $30 in that she has to buy 8 protractors and some erasers so the each protractor costs $2.65 i.e., 8 x 2.65 = $21.2. Now, she left

with $30 – $21.2 = $8.80

### Eureka Math Grade 5 Module 1 Lesson 11 Exit Ticket Answer Key

Question 1.

Solve by drawing disks on a place value chart. Write an equation, and express the product in standard form.

4 copies of 3 tenths

Answer:- 4 x 0.3 = 1.2

Question 2.

Complete the area model, and then find the product.

Answer:- 3 x 9.63 = 28.89

### Eureka Math Grade 5 Module 1 Lesson 11 Homework Answer Key

Question 1.

Solve by drawing disks on a place value chart. Write an equation, and express the product in standard form.

a. 2 copies of 4 tenths

Answer:- 2 × 0.4 = 0.8

b. 4 groups of 5 hundredths

Answer:- 4 × 0.05 = 0.2

c. 4 times 7 tenths

Answer:- 4 × 0.7 = 2.8

d. 3 times 5 hundredths

Answer:- 3 × 0.05 = 0.15

e. 9 times as much as 7 tenths

Answer:- 9 × 0.7 = 6.3

f. 6 thousandths times 8

Answer:- 8 × 0.006 = 0.048

Question 2.

Draw a model similar to the one pictured below. Find the sum of the partial products to evaluate each expression.

a. 4 × 6.79

Answer:- 4 x 6.79 = 27.16

b. 6 × 7.49

Answer:- 6 × 7.49 = 44.94

c. 9 copies of 3.65

Answer:- 9 x 3.65 = 32.85

d. 3 times 20.175

Answer:- 3 x 20.175 = 60.525

Question 3.

Leanne multiplied 8 × 4.3 and got 32.24. Is Leanne correct? Use an area model to explain your answer.

Answer:- Leanne is wrong. 8 x 4.3 = 34.4

Question 4.

Anna buys groceries for her family. Hamburger meat is $3.38 per pound, sweet potatoes are $0.79 each, and hamburger rolls are $2.30 a bag. If Anna buys 3 pounds of meat, 5 sweet potatoes, and 1 bag of hamburger rolls, what will she pay in all for the groceries?

Answer:- 3 x $3.38 + 5 x $0.79 + 1 x $2.30 = $16.39