## Engage NY Eureka Math 5th Grade Module 4 Lesson 18 Answer Key

### Eureka Math Grade 5 Module 4 Lesson 18 Sprint Answer Key

A
Multiply Fractions

Question 1.
$$\frac{1}{2}$$ × $$\frac{1}{2}$$ =

Question 2.
$$\frac{1}{2}$$ × $$\frac{1}{3}$$ =

Question 3.
$$\frac{1}{2}$$ × $$\frac{1}{4}$$ =

Question 4.
$$\frac{1}{2}$$ × $$\frac{1}{7}$$ =

Question 5.
$$\frac{1}{7}$$ × $$\frac{1}{2}$$ =

Question 6.
$$\frac{1}{3}$$ × $$\frac{1}{2}$$ =

Question 7.
$$\frac{1}{3}$$ × $$\frac{1}{3}$$ =

Question 8.
$$\frac{1}{3}$$ × $$\frac{1}{6}$$ =

Question 9.
$$\frac{1}{3}$$ × $$\frac{1}{5}$$ =

Question 10.
$$\frac{1}{5}$$ × $$\frac{1}{3}$$ =

Question 11.
$$\frac{1}{5}$$ × $$\frac{2}{3}$$ =

Question 12.
$$\frac{2}{5}$$ × $$\frac{2}{3}$$ =

Question 13.
$$\frac{1}{4}$$ × $$\frac{1}{3}$$ =

Question 14.
$$\frac{1}{4}$$ × $$\frac{2}{3}$$ =

Question 15.
$$\frac{3}{4}$$ × $$\frac{2}{3}$$ =

Question 16.
$$\frac{1}{6}$$ × $$\frac{1}{3}$$ =

Question 17.
$$\frac{5}{6}$$ × $$\frac{1}{3}$$ =

Question 18.
$$\frac{5}{6}$$ × $$\frac{2}{3}$$ =

Question 19.
$$\frac{5}{4}$$ × $$\frac{2}{3}$$ =

Question 20.
$$\frac{1}{5}$$ × $$\frac{1}{5}$$ =

Question 21.
$$\frac{2}{5}$$ × $$\frac{2}{5}$$ =

Question 22.
$$\frac{2}{5}$$ × $$\frac{3}{5}$$ =

Question 23.
$$\frac{2}{5}$$ × $$\frac{5}{3}$$ =

Question 24.
$$\frac{3}{5}$$ × $$\frac{5}{2}$$ =

Question 25.
$$\frac{1}{3}$$ × $$\frac{1}{3}$$ =

Question 26.
$$\frac{1}{3}$$ × $$\frac{2}{3}$$ =

Question 27.
$$\frac{2}{3}$$ × $$\frac{2}{3}$$ =

Question 28.
$$\frac{2}{3}$$ × $$\frac{3}{2}$$ =

Question 29.
$$\frac{2}{3}$$ × 4 ⁄3 =

Question 30.
$$\frac{2}{3}$$ × $$\frac{5}{3}$$ =

Question 31.
$$\frac{3}{2}$$ × $$\frac{3}{5}$$ =

Question 32.
$$\frac{3}{4}$$ × $$\frac{1}{5}$$ =

Question 33.
$$\frac{3}{4}$$ × $$\frac{4}{5}$$ =

Question 34.
$$\frac{3}{4}$$ × $$\frac{5}{5}$$ =

Question 35.
$$\frac{3}{4}$$ × $$\frac{6}{5}$$ =

Question 36.
$$\frac{1}{4}$$ × $$\frac{6}{5}$$ =

Question 37.
$$\frac{1}{7}$$ × $$\frac{1}{7}$$ =

Question 38.
$$\frac{1}{8}$$ × $$\frac{3}{5}$$ =

Question 39.
$$\frac{5}{6}$$ × $$\frac{1}{4}$$ =

Question 40.
$$\frac{3}{4}$$ × $$\frac{3}{4}$$ =

Question 41.
$$\frac{2}{3}$$ × $$\frac{6}{6}$$ =

Question 42.
$$\frac{3}{4}$$ × $$\frac{6}{2}$$ =

Question 43.
$$\frac{7}{8}$$ × $$\frac{7}{9}$$ =

Question 44.
$$\frac{7}{12}$$ × $$\frac{9}{8}$$ =

B
Multiply Fractions

Question 1.
$$\frac{1}{2}$$ × $$\frac{1}{3}$$ =

Question 2.
$$\frac{1}{2}$$ × $$\frac{1}{4}$$ =

Question 3.
$$\frac{1}{2}$$ × $$\frac{1}{5}$$ =

Question 4.
$$\frac{1}{2}$$ × $$\frac{1}{9}$$ =

Question 5.
$$\frac{1}{9}$$ × $$\frac{1}{2}$$ =

Question 6.
$$\frac{1}{5}$$ × $$\frac{1}{2}$$ =

Question 7.
$$\frac{1}{5}$$ × $$\frac{1}{3}$$ =

Question 8.
$$\frac{1}{5}$$ × $$\frac{1}{7}$$ =

Question 9.
$$\frac{1}{5}$$ × $$\frac{1}{3}$$ =

Question 10.
$$\frac{1}{3}$$ × $$\frac{1}{5}$$ =

Question 11.
$$\frac{1}{3}$$ × $$\frac{2}{5}$$ =

Question 12.
$$\frac{2}{3}$$ × $$\frac{2}{5}$$ =

Question 13.
$$\frac{1}{3}$$ × $$\frac{1}{4}$$ =

Question 14.
$$\frac{1}{3}$$ × $$\frac{3}{4}$$ =

Question 15.
$$\frac{2}{3}$$ × $$\frac{3}{4}$$ =

Question 16.
$$\frac{1}{3}$$ × $$\frac{1}{6}$$ =

Question 17.
$$\frac{2}{3}$$ × $$\frac{1}{6}$$ =

Question 18.
$$\frac{2}{3}$$ × $$\frac{5}{6}$$ =

Question 19.
$$\frac{3}{2}$$ × $$\frac{3}{4}$$ =

Question 20.
$$\frac{1}{5}$$ × $$\frac{1}{5}$$ =

Question 21.
$$\frac{3}{5}$$ × $$\frac{3}{5}$$ =

Question 22.
$$\frac{3}{5}$$ × $$\frac{4}{5}$$ =

Question 23.
$$\frac{3}{5}$$ × $$\frac{5}{4}$$ =

Question 24.
$$\frac{1}{5}$$ × $$\frac{5}{3}$$ =

Question 25.
$$\frac{1}{4}$$ × $$\frac{1}{4}$$ =

Question 26.
$$\frac{1}{4}$$ × $$\frac{3}{4}$$ =

Question 27.
$$\frac{3}{4}$$ × $$\frac{3}{4}$$ =

Question 28.
$$\frac{3}{4}$$ × $$\frac{4}{3}$$ =

Question 29.
$$\frac{3}{4}$$ × $$\frac{5}{4}$$ =

Question 30.
$$\frac{3}{4}$$ × $$\frac{6}{4}$$ =

Question 31.
$$\frac{4}{3}$$ × $$\frac{4}{6}$$ =

Question 32.
$$\frac{2}{3}$$ × $$\frac{1}{5}$$ =

Question 33.
$$\frac{2}{3}$$ × $$\frac{4}{5}$$ =

Question 34.
$$\frac{2}{3}$$ × $$\frac{5}{5}$$ =

Question 35.
$$\frac{2}{3}$$ × $$\frac{6}{5}$$ =

Question 36.
$$\frac{1}{3}$$ × $$\frac{6}{5}$$ =

Question 37.
$$\frac{1}{9}$$ × $$\frac{1}{9}$$ =

Question 38.
$$\frac{1}{5}$$ × $$\frac{3}{8}$$ =

Question 39.
$$\frac{3}{4}$$ × $$\frac{1}{6}$$ =

Question 40.
$$\frac{2}{3}$$ × $$\frac{2}{3}$$ =

Question 41.
$$\frac{3}{4}$$ × $$\frac{8}{8}$$ =

Question 42.
$$\frac{2}{3}$$ × $$\frac{6}{3}$$ =

Question 43.
$$\frac{6}{7}$$ × $$\frac{8}{9}$$ =

Question 44.
$$\frac{7}{12}$$ × $$\frac{8}{7}$$ =

### Eureka Math Grade 5 Module 4 Lesson 18 Problem Set Answer Key

Question 1.
Multiply using both fraction form and unit form. Check your answer by counting the decimal places.
The first one is done for you.
a.

b. 2.3 × 0.9 =

c. 6.6 × 2.8 =

d. 3.3 × 1.4 =

Question 2.
Multiply using fraction form and unit form. Check your answer by counting the decimal places. The first one is done for you.
a.

b. 2.37 × 0.9 =

c. 6.06 × 2.8 =

d. 3.3 × 0.14 =

Question 3.
Solve using the standard algorithm. Show your thinking about the units of your product. The first one is done for you.
a. 3.2 × 0.6 = 1.92

b. 3.2 × 1.2 = __________

c. 8.31 × 2.4 = __________

d. 7.50 × 3.5 = __________

Question 4.
Carolyn buys 1.2 pounds of chicken breast. If each pound of chicken breast costs $3.70, how much will she pay for the chicken breast? Question 5. A kitchen measures 3.75 meters by 4.2 meters. a. Find the area of the kitchen. b. The area of the living room is one and a half times that of the kitchen. Find the total area of the living room and the kitchen. ### Eureka Math Grade 5 Module 4 Lesson 18 Exit Ticket Answer Key Multiply. Do at least one problem using unit form and at least one problem using fraction form. a. 3.2 × 1.4 = b. 1.6 × 0.7 = c. 2.02 × 4.2 = d. 2.2 × 0.42 = ### Eureka Math Grade 5 Module 4 Lesson 18 Homework Answer Key Question 1. Multiply using fraction form and unit form. Check your answer by counting the decimal places. The first one is done for you. a. b. 3.3 × 0.8 = c. 4.4 × 3.2 = d. 2.2 × 1.6 = Question 2. Multiply using fraction form and unit form. The first one is partially done for you. a. b. 3.35 × 0.7 = c. 4.04 × 3.2 = d. 4.4 × 0.16 = Question 3. Solve using the standard algorithm. Show your thinking about the units of your product. The first one is done for you. a. b. 2.3 × 2.1 = __________ c. 7.41 × 3.4 = __________ d. 6.50 × 4.5 = __________ Question 4. Erik buys 2.5 pounds of cashews. If each pound of cashews costs$7.70, how much will he pay for the cashews?

Question 5.
A swimming pool at a park measures 9.75 meters by 7.2 meters.
a. Find the area of the swimming pool.

b. The area of the playground is one and a half times that of the swimming pool. Find the total area of the swimming pool and the playground.