alleryStart learning →Which Roman letters make 39?
- XIXXX
- XLIX
- XXIX
- XXXIX
Show answer and solution
Correct answer: D. XXXIX
39 is 30 plus 9, so XXX is joined to IX to make XXXIX.
Olympiad (Class 4) Numerals, Number Names and Number Sense — practice questions
Explore 50 free Numerals, Number Names and Number Sense questions in Olympiad (Class 4) Mathematics. Open each question or exercise to read its content, reference answers and available explanation.
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Showing questions 1–30 of 50.
Which Roman letters make 39?Read the answer and worked solution →What number is written as CCXLVI?Read the answer and worked solution →Read the Roman numeral DCCLXXXIX as an ordinary number.Read the answer and worked solution →Turn MMCDXXI into ordinary digits.Read the answer and worked solution →A box holds 160 pens. Which Roman numeral shows 160?Read the answer and worked solution →Pick the Roman numeral for one thousand nine.Read the answer and worked solution →Which number has no Roman numeral symbol?Read the answer and worked solution →IV and IX are the Roman numerals for which pair?Read the answer and worked solution →Which Roman numeral is nine hundred?Read the answer and worked solution →The largest number written in the usual Roman style isRead the answer and worked solution →Which year number is shown by MCMXVIII?Read the answer and worked solution →A clock tower shows MDCCLXXVI. Which number is that?Read the answer and worked solution →Show 2,026 using Roman letters.Read the answer and worked solution →Add up the letters of CCXXVIII to find its number.Read the answer and worked solution →How many times is the symbol X used in CCXXVIII?Read the answer and worked solution →Which way of writing numbers uses a zero to keep places?Read the answer and worked solution →In 2,674, how much is the digit 6 worth?Read the answer and worked solution →Which digit is in the thousands place of 2,674?Read the answer and worked solution →Which is the expanded form of 2,674?Read the answer and worked solution →In 47,312, the digit 7 stands for which amount?Read the answer and worked solution →Which number is 3 × 1,000 + 5 × 10 + 8?Read the answer and worked solution →Largest 4-digit number from 3, 0, 8, 5, each used once?Read the answer and worked solution →What number comes just after 9,999?Read the answer and worked solution →What is the number just before 50,000?Read the answer and worked solution →What is the successor of 59,999?Read the answer and worked solution →Choose the number name of 40,205.Read the answer and worked solution →Which number is twelve thousand sixty?Read the answer and worked solution →In 4,500, what is the place value of 5 minus its face value?Read the answer and worked solution →Round 3,847 to the nearest 10.Read the answer and worked solution →A school has 4,968 books. To the nearest 1,000, how many is that?Read the answer and worked solution →
Worked practice questions
What number is written as CCXLVI?
- 246
- 256
- 226
- 346
Show answer and solution
Correct answer: A. 246
CC is 200, XL is 40 and VI is 6, and 200 + 40 + 6 = 246.
Read the Roman numeral DCCLXXXIX as an ordinary number.
- 789
- 689
- 779
- 879
Show answer and solution
Correct answer: A. 789
DCC is 700, LXXX is 80 and IX is 9, which makes 789.
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