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Math Olympiad Whole Numbers and Place Value — practice questions

Explore 30 free Whole Numbers and Place Value questions in Math Olympiad Mathematics. Open each question or exercise to read its content, reference answers and available explanation.

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Whole Numbers and Place Value questions and exercises with answers

Showing questions 1–30 of 30.

A teacher writes the counting numbers and then adds zero. This new set is called the:Read the answer and worked solution →In 472 the digit 4 is worth more than the 2 because our system uses:Read the answer and worked solution →Digits in a large number are grouped in threes. Each group of three is called a:Read the answer and worked solution →Reading right to left, the first three periods of a number are ones, thousands and:Read the answer and worked solution →A number is printed as 3,205,417. The commas in it serve to separate the:Read the answer and worked solution →When a number is read aloud, one period name is never spoken. That period is the:Read the answer and worked solution →Writing a number in digits, every period after the first must always hold:Read the answer and worked solution →A shopkeeper says a crowd was about 500 rather than 487. Approximating like this is:Read the answer and worked solution →To round 3,748 to the nearest hundred, you first look at the digit:Read the answer and worked solution →After rounding 5,962 to the nearest hundred, the digits to the right become:Read the answer and worked solution →Rounding 487 to the nearest hundred gives:Read the answer and worked solution →In the sum 3 plus 4 equals 7, the number 7 is called the:Read the answer and worked solution →In the expression 7 plus 1, the numbers 7 and 1 are called the:Read the answer and worked solution →A pupil adds 0 to 46 and gets 46 back. This shows the identity property of:Read the answer and worked solution →Because 8 plus 5 equals 5 plus 8, addition of whole numbers is:Read the answer and worked solution →Taking one number away from another gives a result called the:Read the answer and worked solution →A gardener adds up the lengths of all four sides of a plot. She has found the:Read the answer and worked solution →Writing 3 plus 3 plus 3 as 3 times 3 shows that multiplication is repeated:Read the answer and worked solution →In 6 times 13, the numbers 6 and 13 are called the factors and 78 is the:Read the answer and worked solution →Any number multiplied by 0 gives the answer:Read the answer and worked solution →Any whole number multiplied by 1 gives back:Read the answer and worked solution →Because 4 times 9 equals 9 times 4, multiplication of whole numbers is:Read the answer and worked solution →Catch the whole numbersRead the answer and worked solution →Pop the period namesRead the answer and worked solution →Run the number gatesRead the answer and worked solution →Slice the number wordsRead the answer and worked solution →Adding or multiplyingRead the answer and worked solution →Sort the number ideasRead the answer and worked solution →Type the answerRead the answer and worked solution →Whole number bingoRead the answer and worked solution →

Worked practice questions

A teacher writes the counting numbers and then adds zero. This new set is called the:

  1. Whole numbers
  2. Prime numbers
  3. Mixed numbers
  4. Round numbers
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Correct answer: A. Whole numbers

1. Counting numbers start at one. 2. Adding zero to that list gives a bigger set. 3. That set is the whole numbers. _Source: OpenStax Prealgebra, Chapter 1, Whole Numbers._

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In 472 the digit 4 is worth more than the 2 because our system uses:

  1. Plus value
  2. Place value
  3. Prime value
  4. Plain value
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Correct answer: B. Place value

1. The worth of a digit depends on where it stands. 2. That idea gives our number system its name. 3. It is a place value system. _Source: OpenStax Prealgebra, Chapter 1, Whole Numbers._

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Digits in a large number are grouped in threes. Each group of three is called a:

  1. Period
  2. Packet
  3. Portion
  4. Pattern
Show answer and solution

Correct answer: A. Period

1. Large numbers are split for easy reading. 2. Each group of three place values gets a name. 3. That name is a period. _Source: OpenStax Prealgebra, Chapter 1, Whole Numbers._

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More Mathematics topics

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