Readers take a journey West and back in time to the 1840s. Addition and subtraction problems include solving how much money a pioneer had left after purchasing her supplies.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.