Decimal Computation Unit 4

Kendra sees a shirt on sale for $15.97 at the store. What is the approximate cost of the shirt when rounded to the nearest dime?

• $10.00

• $10.90

• $15.98

• $16.00

Braya swims 0.6 miles every day for 4 days. The model represents this situation. Write an equation that represents the total number of miles Braya swam over these 4 days.

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Noah cuts 2.8 yards of rope into 4 equal pieces. Which equation can be used to find the length, in yards, of each smaller piece of rope?

• 2.8 ÷ 4 = 7

• 2.8 ÷ 4 = 0.7

• 2.8 x 4 = 11.2

• 2.8 ÷ 4 = 0.07

Averie borrowed $5 from her brother to purchase school supplies. - She purchased 2 pencils for 65¢ each. - She purchased a notebook for $1.89. - She returned all the change to her brother. How much money did Averie return to her brother? Do not enter a dollar sign ($) in your answer.

• 2.50 x 5 = 12.50

• 2.06/5=0.412

• 52 x 5 = 2.60

• 2.60/5=0.52

A store received a check for thirty-three thousand, eighty-seven dollars and two cents. How is the number written in expanded notation?

• (3 x 10,000) + (3 x 1,000) + (8 x 100) + (7 x 10) + (2 x 0.01)

• (3 x 10,000) + (3 x 1,000) + (8 x 10) + (7 x 1) + (2 x 0.1)

• (3 x 1,000) + (3 x 100) + (8 x 10) + (7 x 1) + (2 x 0.1)

• (3 x 10,000) + (3 x 1,000) + (8 x 10) + (7 x 1) + (2 x 0.01)

Maddox is running in intervals. In the first interval she ran for 21.3 seconds. In the second interval she ran for 49.124 seconds and in the third interval she ran for 17.99 seconds. What is the best estimate of the number of seconds it took Maddox to run these three intervals?

• 70 seconds

• 80 seconds

• 90 seconds

• 100 seconds

A delivery driver drove 137.2 miles over 4 days. He drove the same number of miles each day. How many miles did he drive each day?

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Grayson jogged 7.25 miles on Monday, 2 miles on Tuesday, and 4.6 miles on Wednesday. How many miles did Grayson jog over these three days?

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Alex drank 3.8 bottles of water. Lily drank 2.5 times as much. What was the total number of cups Lily drank yesterday?

• 9.5

• 28.5

• 285

• 2.85