MA.3.NSO.1.1 & MA.3.NSO.1.2

What is the standard form of the number written in words as "three thousand four hundred twenty-five"?

• 3,245

• 3,425

• 3,452

• 3,524

Answer explanation

The phrase "three thousand four hundred twenty-five" translates to the number 3,425. This is derived from 3,000 (three thousand) + 400 (four hundred) + 20 (twenty) + 5 (five), confirming that the correct answer is 3,425.

Write the number 7,809 in expanded form.

• 7,000 + 800 + 90 + 9

• 7,000 + 800 + 9

• 7,000 + 800 + 80 + 9

• 7,000 + 80 + 9

Answer explanation

The number 7,809 can be broken down into its place values: 7,000 (thousands), 800 (hundreds), 9 (units). The correct expanded form is 7,000 + 800 + 9, making this the right choice.

What is the word form of the number 5,678?

• Five thousand six hundred seventy-eight

• Five thousand six hundred eighty-seven

• Five thousand seven hundred sixty-eight

• Five thousand eight hundred seventy-six

Answer explanation

The number 5,678 is written in word form as 'Five thousand six hundred seventy-eight', which matches the correct answer choice. The other options represent different numbers.

Convert the expanded form 4,000 + 300 + 20 + 1 into standard form.

• 4,321

• 4,231

• 4,312

• 4,213

Answer explanation

To convert 4,000 + 300 + 20 + 1 into standard form, simply add the values: 4,000 + 300 + 20 + 1 = 4,321. Therefore, the correct answer is 4,321.

Which of the following numbers is written in expanded form as 6,000 + 500 + 40 + 3?

• 6,543

• 6,453

• 6,534

• 6,345

Answer explanation

The expanded form 6,000 + 500 + 40 + 3 equals 6,543. Each part represents a digit in the number: 6 in the thousands, 5 in the hundreds, 4 in the tens, and 3 in the ones, confirming that 6,543 is the correct answer.

Write the number 9,204 in word form.

• Nine thousand two hundred four

• Nine thousand two hundred forty

• Nine thousand four hundred two

• Nine thousand forty-two

Answer explanation

The number 9,204 is written in word form as 'Nine thousand two hundred four'. This matches the correct answer choice, clearly representing each digit in the number.

What is the standard form of the number written in words as "eight thousand ninety"?

• 8,009

• 8,090

• 8,900

• 8,0090

Answer explanation

The phrase "eight thousand ninety" translates to 8,090 in standard form, where 'eight thousand' is 8,000 and 'ninety' adds 90, resulting in 8,090. The correct answer is 8,090.

Convert the number 2,345 into expanded form.

• 2,000 + 300 + 40 + 5

• 2,000 + 400 + 30 + 5

• 2,000 + 300 + 50 + 4

• 2,000 + 30 + 400 + 5

Answer explanation

The number 2,345 can be broken down into its place values: 2,000 (thousands), 300 (hundreds), 40 (tens), and 5 (ones). Therefore, the correct expanded form is 2,000 + 300 + 40 + 5.

What is the word form of the number 1,234?

• One thousand two hundred thirty-four

• One thousand three hundred twenty-four

• One thousand two hundred forty-three

• One thousand four hundred twenty-three

Answer explanation

The number 1,234 is written in word form as 'One thousand two hundred thirty-four'. This matches the correct choice, as it accurately represents the thousands, hundreds, and tens place values.

Which of the following numbers is written in expanded form as 5,000 + 700 + 60 + 8?

• 5,768

• 5,678

• 5,786

• 5,876

Answer explanation

The expanded form 5,000 + 700 + 60 + 8 equals 5,768. Each part represents a digit in the number: 5 in the thousands, 7 in the hundreds, 6 in the tens, and 8 in the units, confirming that 5,768 is the correct choice.