Unit 6 District Assessment Review Quiz

Alex wrote a number with a 4 in both the tens place and the tenths place, and a 9 in both the hundredths place and the thousandths place. The one's place is zero. What is Alex's number?

• four and four hundred ninety thousandths

• forty and four hundred ninety-nine thousandths

• forty and four hundred ninety thousandths

• four and four hundred ninety-nine thousandths

Answer explanation

Alex's number has a 4 in the tens place and tenths place, a 9 in the hundredths and thousandths places, and a 0 in the one's place. This forms the number 40.499, which is 'forty and four hundred ninety-nine thousandths'.

Look at the expanded form of this number: (2 × 10) + (1 × (1/10)) + (8 × (1/1000)). Which decimal has the same value as the expanded form?

• 2.108

• 20.0108

• 20.108

• 20.18

Answer explanation

The expanded form (2 × 10) + (1 × (1/10)) + (8 × (1/1000)) equals 20 + 0.1 + 0.008, which simplifies to 20.108. Therefore, the correct decimal is 20.108.

What is the expanded form of 720.058?

• (7 × 1000) + (2 × 10) + (5 × (1/100)) + (8 × (1/1000))

• (7 × 100) + (2 × 10) + (5 × (1/100)) + (8 × (1/1000))

• (7 × 1000) + (2 × 10) + (5 × (1/100)) + (8 × (1/1000))

• (7 × 100) + (2 × 10) + (5 × (1/10)) + (8 × (1/1000))

Answer explanation

The expanded form of 720.058 is (7 × 100) + (2 × 10) + (5 × (1/100)) + (8 × (1/1000)), which correctly represents each digit's value based on its position in the number.

Which number is the standard form of two hundred thirty-seven and twenty-eight thousandths?

• 237.028

• 237.208

• 237.28

• 237.280

Answer explanation

The standard form of two hundred thirty-seven and twenty-eight thousandths is written as 237.028. The whole number is 237, and the decimal part represents 28 thousandths, which is 0.028.

What is the expanded form for the number 29.791?

• 2 × 100 + 9 × 10 + 7 × 1 + 9 × (1/10) + 1 × (1/100)

• 2 × 100 + 9 × 1 + 7 × (1/10) + 9 × (1/100) + 1 × (1/1,000)

• 2 × 10 + 9 × 1 + 7 × (1/10) + 9 × (1/100) + 1 × (1/1,000)

• 2 × 10 + 9 × 1 + 7 × (1/1,000) + 9 × (1/100) + 1 × (1/10)

Answer explanation

The correct expanded form of 29.791 is 2 × 10 + 9 × 1 + 7 × (1/10) + 9 × (1/100) + 1 × (1/1,000), which breaks down each digit according to its place value.

What is the expanded form of 733.831?

• 73 + 3 + 0.8 + 0.03 + 0.001

• 700 + 30 + 3 + 0.8 + 0.3 + 0.1

• 700 + 30 + 3 + 0.8 + 0.03 + 0.001

• 700 + 30 + 3 + 0.83 + 0.001

Answer explanation

The expanded form of 733.831 breaks down into 700 (hundreds), 30 (tens), 3 (units), 0.8 (tenths), 0.03 (hundredths), and 0.001 (thousandths). Thus, the correct choice is 700 + 30 + 3 + 0.8 + 0.03 + 0.001.

Which decimal correctly completes the number sentence below? 804.02 > ?

• 804.019

• 804.025

• 804.020

• 804.120

Answer explanation

To complete the sentence 804.02 > ?, the number must be less than 804.02. Among the options, 804.019 is the only decimal that is less than 804.02, making it the correct choice.

Cody lives 3.06 kilometers from the park. This is less than the distance that Parker lives from the park, as shown by the inequality. 3.06 < ? Which number completes the inequality?

• 3.060

• 3.008

• 3.500

• 3.056

Answer explanation

Cody's distance to the park is 3.06 km. To find a number greater than this, we look at the options. 3.500 is the only number that is greater than 3.06, making it the correct choice to complete the inequality.

Michael used a stopwatch to time the baseball pitches for three of his friends. The times are listed in the table. Which list shows the friends in order from the shortest time to the longest time?

• KaShawn, Pete, Ivan

• KaShawn, Ivan, Pete

• Ivan, Pete, KaShawn

• Pete, Ivan, KaShawn

Answer explanation

The times recorded show KaShawn had the shortest time, followed by Pete, and then Ivan with the longest time. Therefore, the correct order from shortest to longest is KaShawn, Pete, Ivan.

The students in Mrs. Harwood's class measured their height in inches. The chart shows the heights of three of her students. Which statement BEST describes the data?

• Chandler is taller than Jack.

• Jade is shorter than Chandler.

• Jack is shorter than Jade.

• Chandler is shorter than Jack.

Answer explanation

The data shows that Chandler is indeed shorter than Jack, making the statement 'Chandler is shorter than Jack' the best description of the heights measured.