Tuesday, November 22, 2011

Homework Term 3 weeks 5 and 6

Riddles

1. I am a day of the week. I come right after and right before days that have the same number of letters in their names (English spelling) as each other. What day am I?




2. I am a six digit number. To write me correctly, you must use five zeros. You do not need a decimal point to write me correctly. One of my digits is a two. What number am I?



3. I am a number. I am the product of the number of digits in half a million and the number of years in a decade. What number am I?

4. Melody bought four boxes of red and green Christmas tree ornaments. Each box contained a dozen ornaments. There was an average of two broken ornaments in each box. Three of the boxes had only one broken ornament each. How many ornaments were broken in the other box?




5. Melody paid $18.24 in all for the four boxes of ornaments. How much did each box cost?



6. Santa has three eight hour shifts of elves working in his giant workshop every day during the year. No elf is allowed to work more than one shift per day. There are 95,000 elves working at the same time. How many individual elves are working each day?



7. The citizens of the United States may not know who their next president is until January 6, 2001. That would be a late Christmas present for some that would come about _____ weeks after Christmas.



8. I am a month of the year. I am not the eighth month, but I used to be. Think of a sea animal with eight arms. Think of a shape with eight sides. It makes sense that my name starts with the same letters. What month am I?


9. This mystery number has 4 digits. Every digit is an odd number. None of the digits is a 9. Every digit in the number is different. The smallest digit is in the thousands place. The greatest digit is in the ones place. The preceding describes two possible numbers. The mystery number is the greater of those two numbers. What is the mystery number?




10. This mystery number has 5 digits. There is a 4 in the ten thousands place. None of the other digits is a 4. What is the smallest number that this mystery number can be?



11. This mystery number has 6 digits. If you add one to this number it will be a 7 digit number. What is the mystery number?



12. This mystery number is one half of a billion. How many zeros are in this number?

13. Allen wakes up at 7:00 in the morning to get ready for school. At 8:15 he’s ready to go out the door and get on the school bus. How long does it take him to get ready?




14. Emily can’t wait to watch the next episode of her favorite TV show, Carpet Mice. It’s six o’clock in the evening and the show will be starting in one and a half hours. What time will the show begin?



15. The time is three hours earlier in California than in New York. If a live sports event that begins in New York at 8:00 p.m. is being shown on television and it ends when it’s 7:00 p.m. in California, how long does the event last?



16. If a movie is 125 minutes long, it still has _______ minutes to run after two hours.

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