Author Description

Preschoolers and kids up to the first grade will enjoy learning fundamentals of addition and subtraction with help from the big, colorful construction machine illustrations that fill the pages of this picture book. First comes a bulldozer, soon joined by a giant wheel loader. Two machines become three with the arrival of a backhoe loader... and three becomes four when a dump truck shows up. Before long, there are ten giant work vehicles at the building site. But as each machine's work is done for the day, it leaves the area. And one page at a time, the number of vehicles is reduced by subtraction. This brightly illustrated introduction to addition and subtraction has heavy card stock pages, with each page stepped in size. For adding numbers 1 through 10, succeeding pages are about a half-inch wider than the one before it. Working back and subtracting from 10, the book's remaining pages are successively a half-inch less wide. As kids turn pages and see a big, bright building machine's illustration on each of them, they learn to add and subtract while they are learning about construction vehicles. (Ages 3-6)