Review Quiz-Numeration,Roman Numeral, Addition and Subtraction.

Write Two million, two hundred and fifty thousand and nine in figures.

Answer explanation

Two million, two hundred and fifty thousand and nine in figures is written as 2,250,009. This combines the values: 2,000,000 + 250,000 + 9.

Write 56,556,056 in words.

• Fifty-six million, five hundred and fifty-six thousand, fifty-six

• Fifty-six million, five thousand, fifty-six

• Fifty-six million, five hundred thousand, fifty-six

• Fifty-six million, fifty-five thousand, fifty-six

Answer explanation

The number 56,556,056 is broken down as follows: 56 million, 556 thousand, and 56. Therefore, the correct wording is 'Fifty-six million, five hundred and fifty-six thousand, fifty-six'. This matches the first answer choice.

Write CMLXXIX in Arabic numerals.

• 969

• 979

• 989

• 999

Answer explanation

CMLXXIX is a Roman numeral that breaks down to C (100) + L (50) + XX (20) + IX (9), totaling 100 + 50 + 20 + 9 = 179. Therefore, CMLXXIX equals 979 in Arabic numerals.

Write 1726 in Roman numerals.

• MDCCXXVI

• MCCLXXVI

• MCDXXVI

• MDCCCXXVI

Answer explanation

To convert 1726 to Roman numerals, break it down: 1000 (M) + 700 (DCC) + 20 (XX) + 6 (VI) = MDCCXXVI. The correct choice is MDCCXXVI.

What is the place value of the digit 3 in 3,678,901?

• Hundreds

• Thousands

• Hundred thousands

• Millions

Answer explanation

In the number 3,678,901, the digit 3 is in the millions place. Each digit represents a value based on its position, and since 3 is the first digit from the left, it signifies 3 million.

Write in figures: Six hundred and thirty-three million, three hundred and eighty thousand, four hundred and four.

Answer explanation

The number 'Six hundred and thirty-three million, three hundred and eighty thousand, four hundred and four' is written in figures as 633,380,404. Each part corresponds to its place value.

Find the sum of the place value of the underlined digits in 46,592,843

Answer explanation

The underlined digits are 9 (in the ten thousand place) and 8 (in the hundreds place). Their place values are 90,000 and 800, respectively. The sum is 90,000 + 800 = 90,800.

There are 86,665 pencils in a box. If 40,483 are sharpened, how many are not sharpened?

• 46,182

• 45,782

• 45,782

• 46,182

Answer explanation

To find the number of unsharpened pencils, subtract the number of sharpened pencils from the total: 86,665 - 40,483 = 46,182. Therefore, the correct answer is 46,182.

Express 550 in Roman Numerals.

• DCC

• DXL

• DL

• DC

Answer explanation

To express 550 in Roman numerals, we break it down: 500 is 'D' and 50 is 'L'. Therefore, 550 is represented as 'DL'. The other options do not correctly represent 550.

What is the sum of 3,456,789 + 4,123,456?

Answer explanation

To find the sum of 3,456,789 and 4,123,456, simply add the two numbers: 3,456,789 + 4,123,456 = 7,580,245. Therefore, the correct answer is 7,580,245.