adding and subtracting times to the nearest minute
Adams, Colleen
2004
A young person uses a travel journal and the skills of addition and subtraction to keep track of how much time his family spends at various attractions while visiting Chicago.
Contains an introduction to the concept of measuring length, weight, and volume, by providing an overview of the most well-known bridges from around the world.
understanding commutative, associative, and distributive properties
Shea, Therese
2005
Contains an introduction to the mathematical concepts of commutative, associative, and distributive properties, by chronicling the expedition of climbing Mount Everest.
Presents a concise look into some of the world's natural wonders and what makes each of them unique, and describes how to convert distance measurements to metric units.