Grade 9 Math Riddles Challenge
A collection of engaging math riddles designed to challenge and entertain grade 9 students, fostering critical thinking and problem-solving skills.
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Grade 9 Math Riddles Challenge
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Read each riddle carefully and use your mathematical knowledge and logical reasoning to find the solution. Write your answers in the space provided.
1. I am an odd number. Take away one letter and I become even. What number am I?
2. What has an infinite amount of faces, but you can only see two of its sides?
3. I am a three-digit number. My second digit is four times bigger than the third digit. My first digit is three less than my second digit. What number am I?
4. What can you put between a 7 and an 8 so that the result is greater than 7 but less than 8?
5. What comes next in the sequence: 1, 1, 2, 3, 5, 8,
6. Complete the series: 2, 4, 8, 16,
7. What is the next number in this pattern: 1, 4, 9, 16,
8. If a hen and a half lays an egg and a half in a day and a half, how many eggs will 6 hens lay in 6 days?
12 eggs
24 eggs
6 eggs
36 eggs
9. A man is 30 years old today, and his son is 5 years old. In how many years will the man be exactly twice as old as his son?
10 years
15 years
20 years
25 years
10. I have cities, but no houses; forests, but no trees; and water, but no fish. What am I?