Brain Teasing Math Puzzles!
The cousins discover a mysterious stranger sneaking into the local dump. When bikes, toasters, and other items disappear all over town, they begin to suspect he might be up to no good. But when these items show up again, fixed and freshly painted, Jeff, David and Claire are confused. What kind of thief repairs and returns his stolen goods?
When a girl's face appears, then disappears, outside a window of their spooky old schoolhouse, the cousins think they've seen a ghost. More strange clues-piano music lilting through empty halls, a secret passageway, and an old portrait that looks like the girl from the window-make Jeff, David, and Claire begin to wonder: Is their school just spooky, or could it be...haunted?
Readers who have graduated from THE GRAPES OF MATH will find new, more advanced math challenges. Greg Tang is back with his bestselling approach to addition and subtraction: problem solving. By solving challenges that encourage kids to "group" numbers rather than memorize formulas, even the most reluctant math learners are inspired to see math in a whole new way! Math Potatoes is full of Tang …
In this book you soon will find Math riddles that will stretch your mind. You'll add in ways both fast and fun. They sure beat counting one bu one. Each problem has a little twist, each verse a clue you might have missed. The trick is first to look around. A clever answer might be found. So try a riddle on for size. Your brain will like the exercise! And when you are done it will be clear, that…
Illustrated riddles introduce strategies for solving a variety of math problems in using visual clues.
When a camper disappear from the dangerous lookout at Skull Cliff, the cousins wonder if it is the old town curse at work. Then the police discover a ransom note, and everyone is in search of a kidnapper. But Jeff, David, and Claire can't make the clues fit. Was the bossy boy from the city kidnapped, or did something even spookier take place on Skull Cliff?
The Toa Metru must venture underground into Metru Nui's Archieves where they will confront a new danger.
Simple rhymes offer hints on how to multiply any number by zero through ten without memorizing the multiplication tables, encouraging kids to solve problems creatively to build both their skills and their confidence
A series of rhymes about animals introduces counting and grouping numbers, as well as examples of such behaviors as cooperation, friendship, and appreciation.