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.

(a)  

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.

(a)  

Answer explanation

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