subtraction

Presents basic addition and subtraction problems as they are used to help plan a picnic. Includes hands-on activities.

Simple text and photographs describes how people use math at the bank.

Uses timelines and mathematical problems to show the history of exploration in North America.

Presents a math guide that teaches early learners the concept of one, two, and three-digit subtraction along with estimating, regrouping, place value, and more.

Teaches simple subtraction, following Jen, a pet store employee, as she determines how many pets and supplies she needs to order.

Simple text and illustrations of shells, stones, and leaves show how to subtract.

A guide to understanding subtraction and addition, covering the basic facts and operations, as well as topics such as inverse operations, regrouping, mental math, estimation, word problems, time, money, fractions, and mixed numbers.

Shows how to use subtraction to find out how much money one has left after paying for various items and looks at different denominations of money, from a penny to a twenty-dollar bill.

Introduces the concept of subtraction to young children through the story of a group of ten romping, roaring dinosaurs.

Presents a colorful rhyming book that presents the basics of single-digit and double-digit subtraction using M & M chocolate candies.