Uses simple text and photographs to describe estimating, suggests some of the reasons why people make estimates, and offers ways to practice the skill in different situations.
Uses simple text and photographs to explain fractions, including the two parts of a fraction, how different fractions compare with each other, and the many uses of fractions in everyday life.
How much water does it take to fill the fishbowl? How much milk do you need for your cereal? From cups to gallons, learn how measuring tools help you fill it up.
How many hours do you sleep? How many minutes does it take to eat your cereal? Learn how clocks and calendars help you tick off the seconds, hours, days, and years.
An introduction to the geography, history, government, politics, economy, resources, people, and culture of Arizona, including maps, charts, and a recipe.
Freestyle motocross is all about pulling off awesome mid-air stunts with style. From tried-and-true tricks like the Hart attack to the new electric doom, these daring riders pull out all the stops. Go