1. Decimal multiplication, perimeter, and area practice

2. Question 1
Larry bought 4.2 pounds of apples that cost $2.50 a pound. How much money did Larry pay for the apples?

3. Question 2
What equation is represented by the model below?

4. What is the perimeter of the figure below?
Question 3
What is the perimeter of the figure below?

5. What is the area of the figure below?
Question 4
What is the area of the figure below?

6. Question 5
Lukas bought 82 pencils for $0.21 each. How much money did Lukas spend?

7. Question 6
Molly’s bedroom is a pictured below. She bought a new rug from IKEA. Molly wants to figure out what part of her bedroom is not covered by the rug? According to the picture, how many square feet are not covered by the rug?
15 feet
3 feet
12 feet
5.2 feet

8. Question 7
What equation is modeled by the picture below?

9. Question 8
Joey buys his lunch every day for a month. He pays $5.68 every single day. How much money did he spent on lunch if the month has 31days?

10. Question 9
A square has a side length of 90 feet. Which statement is true?
a. The perimeter of the square is 8,100 because 90 x 90 = 8,100.
b. The area of the square is 180 because 90 x 2 = 180.
c. The perimeter of the square is 360 because 90 x 4 = 360.
d. The area of the square is 360 because 90 x 4 = 360.

11. Question 10
Ms. McCauley bought 3.5 pounds of jelly beans that cost 98¢ per pound. How much money did Ms. McCauley spend?

12. What is the area of the figure below?
Question 11
What is the area of the figure below?

13. Question 12
What is the perimeter of the figure below?

14. Answer key
1. $10.50
2. 8 x 0.08 = 0.64
feet
square feet
5. $17.22
square feet
x 0.5 = 0.15
8. $176.08
9. c
10. $3.43
square yards
inches