Virginia Kroll

Age range 3 to 8 Moon knew it was unusual to see a green turtle. Out of all the sea turtles in the world, they were the species that was most at risk. "What is it, Turtle? Why are you here?" The turtle beckoned, "Come," with its strong front flipper, and, as if it had actually spoken, Moon knew that...

Mouse and her friends want to play tug-of-war, but they'll need to use some everyday math to figure out how to make teams that are equal. As Mouse looks at various solutions, she is not sure what it means to be equal. Nothing works until Mouse starts to think about it mathematically and divides the teams based on weight. Wonderful...