- ISBN: 9781599535586 | 1599535580
- Cover: Hardcover
- Copyright: 1/15/2012
"The mathematical concept of division is introduced as a brother and sister embark on a reading challenge, determining how many pages to reach each night through different division methods. Different division methods include using an array, a number line, tally marks, and a division expression. Includes a discover activity, history connection to ancient Egypt, and mathematical vocabulary introduction"--