Unit 1: Day 1 and 2 (Place Value)

Which number has a 3 in the ones place, a 9 in the tenths place, and a 7 in the ten-thousandths place?

• 3.907

• 3.0907

• 3.9700

• 3.9007

Answer explanation

The number 3.9007 has a 3 in the ones place, a 9 in the tenths place, and a 7 in the ten-thousandths place, making it the correct choice.

Which number has a 5 in the ones place, a 2 in the tenths place, and a 1 in the ten-thousandths place?

• 5.2100

• 5.201

• 5.2001

• 5.0201

Answer explanation

The number 5.2001 has a 5 in the ones place, a 2 in the tenths place, and a 1 in the ten-thousandths place, matching the given criteria.

Which number has a 7 in the tens place, a 4 in the hundredths place, and a 9 in the thousandths place?

• 70.409

• 70.049

• 70.490

• 70.0409

Answer explanation

The number 70.049 has a 7 in the tens place, a 4 in the hundredths place, and a 9 in the thousandths place, matching all the given criteria.

Which number has an 8 in the hundreds place, a 3 in the tenths place, and a 4 in the thousandths place?

• 800.304

• 800.3004

• 800.3400

• 800.0304

Answer explanation

The number 800.304 has an 8 in the hundreds place, a 3 in the tenths place, and a 4 in the thousandths place, matching the given criteria.

Which of the following is a way to write six and forty-five thousandths?

• 6.45

• 6.405

• 6.045

• 6.0045

Answer explanation

To write six and forty-five thousandths, we use the decimal point to separate the whole number from the decimal part. Therefore, 6.045 is the correct way to write it.

Which of the following is a way to write twenty and sixteen ten-thousandths?

• 20.016

• 20.1600

• 20.0016

• 20.0106

Answer explanation

To write twenty and sixteen ten-thousandths, we place the digits in their respective decimal places. Therefore, 20.0016 is the correct way to represent the number.

Which of the following is a way to write seven hundred twenty-nine and sixty-seven thousandths?

• 729.670

• 729.0067

• 729.00067

• 729.067

Answer explanation

To write seven hundred twenty-nine and sixty-seven thousandths, we use the decimal point to separate the whole number and the decimal part, resulting in 729.067.

A mini-van weighs fifteen thousand, one hundred fifty-four and forty-five thousandths' pounds. Write this value in standard form.

• 15,154.45 lbs.

• 15,154.045 lbs.

• 15,154.0045 lbs.

• 15,154.4500 lbs.

Answer explanation

To write the weight in standard form, move the decimal point three places to the left to get 15,154.045 lbs.

Write twenty-five thousand, five hundred three and four hundredths in standard form.

Answer explanation

To write twenty-five thousand, five hundred three and four hundredths in standard form, we simply combine the numbers: 25,503.04

Write fifty thousand, nine hundred thirteen and eight thousandths in standard form.

Answer explanation

To write fifty thousand, nine hundred thirteen and eight thousandths in standard form, we have 50,913.008.