alleryStart learning →Find the next number: 2,500, 3,000, 3,500, ?
- 4,500
- 3,700
- 4,000
- 5,000
Show answer and solution
Correct answer: C. 4,000
Each term grows by 500, so 3,500 + 500 = 4,000.
Olympiad (Class 4) Numerals, Number Names and Number Sense — practice questions — page 2
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 31–50 of 50.
Find the next number: 2,500, 3,000, 3,500, ?Read the answer and worked solution →The sum of two odd numbers is alwaysRead the answer and worked solution →The product of 24 and 7 isRead the answer and worked solution →Which number is even?Read the answer and worked solution →How many even numbers lie between 1 and 10?Read the answer and worked solution →What is the smallest 3-digit odd number?Read the answer and worked solution →What number has 6 thousands, 3 tens and 2 ones?Read the answer and worked solution →A number has 5 ten-thousands and 3 hundreds. What is it?Read the answer and worked solution →What is 1,000 more than 9,500?Read the answer and worked solution →Which number lies between 4,560 and 4,570?Read the answer and worked solution →What is 2 thousands more than 8,450?Read the answer and worked solution →How many zeros are there in ten thousand?Read the answer and worked solution →How many hundreds make 5,000?Read the answer and worked solution →Biggest minus smallest 3-digit number made from 4, 1 and 7?Read the answer and worked solution →Which Roman numeral is right for forty-nine?Read the answer and worked solution →Ninety-four in Roman numerals isRead the answer and worked solution →What is XL minus XV in Roman numerals?Read the answer and worked solution →Change MCDXC into an ordinary number.Read the answer and worked solution →A plate is marked CMXCIX. Which number is this?Read the answer and worked solution →How is the empty tens place in 207 shown in Roman numerals?Read the answer and worked solution →
Worked practice questions
The sum of two odd numbers is always
- a multiple of 5
- an odd number
- a prime number
- an even number
Show answer and solution
Correct answer: D. an even number
Two odd numbers each leave one extra, and the two extras pair up, so the sum is even.
The product of 24 and 7 is
- An odd number
- An even number
- A square number
- A prime number
Show answer and solution
Correct answer: B. An even number
24 is even, and an even number times any whole number is even, so 168 is even.
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