Assess Reasonableness of Products Using Decimals

Jacob bought 5 bottles of orange juice at a market. Each bottle cost $2.43. How much did the orange juice cost all together?

• $7.43
• $10.05
• $12.15
• $20.05

Leslie purchased 4.5 pounds of grass seed. The grass seed cost $1.22 per pound. How much did Leslie spend on grass seed?

• $5.40
• $5.49
• $4.90
• $4.88

A sheet of printer paper is 8.5 inches by 11 inches.  What is the area of the paper?  (Hint: Use area = length times width).

• 935 sq in
• 93.5 sq in
• 19.5 in
• 17.0 sq in

Javier uses estimation to check the product for 7.24 x 3.9. Which of the following is a reasonable estimate for the product?

• 700 x 40 = 28,000

• 700 x 3 = 2,100

• 7 x 4 = 28

• 70 x 40 = 2,800

A female monkey at the zoo weights 79.3 pounds. A male monkey weights 2.3 times as much as the female. How much does the male weigh?

• 182

• 18,239

• 18

• 182.39

Celeste bought 4.6m of fabric that cost $3.57 per meter. What was her total cost?

• $1.64
• $16.42
• $16.56
• $165.60

A local bookstore sold 342 copies of a cookbook. The book was on sale for $17.75. How much did the bookstore make on the cookbooks all together?

• $6070.50

• $607.05

• $60705.00

• $60.70

82 x 0.13 = 

•  10.66
• 106.6
• 24.81
• 248.1

15.9 x 0.8

• 12.72 
• 127.2
• 12.91
• 129.1

 Jackie rode her bike around Capaha Park last week. The trail is 8.54 miles long. If she rode around the park 4 times last week, how many miles did she travel in all?

• 3.41 miles
• 8.54 miles
• 34.16 miles
• 341.6 miles