Case of the Ad That Subtracts and Other True Math Mysteries for You to Solve
ON THE ANSWER TRAIL When will the storm hit Where is the missing money From storm tracking to stolen loot math mysteries are lurking everywhere But forget the magnifying glass You'll need some paper a pencil and maybe a calculator to sleuth out the answers in this book BEFORE CONTINUING PLEASE STATE THE MATH DETECTIVE S PROMISE I will read each one page mystery completely I will try to solve each mystery to the best of my ability I will not use this book as scratch paper I will not peek at the answer on the flip side of the page Only after I have solved the mystery or worn down my pencil trying may I turn the page That about sums it up You are now ready to solve some math mysteries But proceed with caution You may experience a loss of digits
MYSTERY TSUNAMI BULLETIN FROM THE PACIFIC OCEAN TSUNAMI WARNING CENTER A TSUNAMI WARNING IS NOW IN EFFECT FOR TAHITI AN EARTHQUAKE LOCATED NEAR SANTIAGO CHILE OCCURRED AT 6 34 AM SEA LEVEL READINGS CONFIRM THE EARTHQUAKE CREATED A TSUNAMI THE TSUNAMI IS TRAVELING WEST AT 500 MILES PER HOUR PACIFIC OCEAN Tahiti Santiago Chile 1 inch 2 000 miles HOW LONG WILL IT TAKE THE TSUNAMI TO REACH TAHITI 5
Case CRACKED TIMING THE WAVES Every second counts when tsunamis approach To find out how long before the waves hit Tahiti first use the map Take a ruler and measure how far it is from the center of the earthquake zone to Tahiti It's about 2 inches The key on the map shows that 1 inch equals 2 000 miles So we multiply the number of inches by the number of miles to find the actual distance between the earthquake and the island 2 inches x 2 000 miles about 5 000 miles Next use the information in the weather report The report said the tsunami was traveling at a speed of 500 miles per hour Traveling at that speed how long will it take the tsunami to go 5 000 miles To find out divide the distance by the speed 5 000 miles 500 miles per hour 10 hours It will take 10 hours for the tsunami to reach Tahiti
MYSTERY CATCHING SOME AIR Brad Dan Marissa Holly 90 50 20 90 35 11 42 10 10 25 60 74 74 53 Welcome to the 5th Annual Skateboarding Spectacular Rules for this year's event are as follows Each skater has two minutes on the course The event's five judges will award points for spins flips airs and grinds Each skater's highest and lowest scores will be tossed out The highest average score wins WHO IS THE WINNER OF THE SKATEBOARDING SPECTACULAR