Interesting Problems( Week 50 Evaluation) 1. A tournament gave prize money for the competitors. The 1st place got half of all the prize money. The 2nd place got half of the remaining prize money. Each of the next placement competitor got half the remaining prize money. If the 3rd placement got $3, what was the prize for the 1st place (in dollars)? 2. There are 13 candies to be distributed to 5 kids. Each kid must get at least 1 candy and every one must get a different number of candies than others. Is it possible? 3. If you write down the integers from 1 to 90 inclusively, how many times will the digit "3" be written? 4. A few pieces of wood wii be connected to form a long piece. Each connection needs 2 nails. How many pieces will be connected if 16 nails are used? 5. A pie can be made in a pan in 4 minutes with 2 minutes for each side of the pie. If the pan can make four pies at the same time, at least how many minutes are needed to make 6 pies? 6. Combine all of the numbers and signs in different ways until you make an equation, or number sentence, that equals one of the answer choices.
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7. A pancake can be made in a pan in 4 minutes with 2 minutes to cook each side of the pancake. If the pan can make two pancakes at the same time, at least how many minutes are needed to make 3 pancakes? 8. A pie can be made in a pan in 2 minutes with 1 minute for each side of the pie. If the pan can make two pies at the same time, at least how many minutes are needed to make 5 pies? 9. Ed had 6 more cents in his piggy bank than Sofia had. After Ed exchanged one dime for a nickel with Sofia, which of the following is correct? 10. Curtis had 20 more cents in his piggy bank than Emily had. After Curtis exchanged one quarter for a dime with Emily, Emily is now with more cents than Curtis. By how many cent(s) does Emily have more than Curtis now? |