These eighteen zany rhyming riddles involve addition, subtraction, and simple multiplication to calculate everything from poodle weights to travel time. And for anyone who's stumped, the answers are included in mirror-writing below each riddle.
A funny, entertaining introduction to Ben Franklin and his many inventions, including the story of how he created the "magic square." A magic square is a box of nine numbers arranged so that any line of three numbers adds up to the same number, including on the diagonal! Teachers and kids will love finding out about this popular teaching tool that is still used in elementary schools today!
For use in schools and libraries only. Tells the story of three pigs who acquire some magic shapes, which they use for various purposes, some smart and some not so smart. Includes a section with related activities. A twist on the tale of the Three Little Pigs finds the Big Bad Wolf on the trail of the clever porkers, each of which possesses a set of magic shapes that, when put together, create…
A funny and pun-filled retelling of “The Sword and Stone” that introduces readers to mathematical angles. King Arthur has hidden his sword, Edgecalibur and issued a challenge to the knights. The first knight to find the sword will be the next king. Can Sir Cumference and Lady Di point Radius's best friend, Vertex in the right direction? Will Vertex's sharp thinking give him the edge? …