Using a Calculator

by Marsha Arvoy

Published 15 January 2010
Ann's grandfather is teaching her how to use a calculator. This simple, engaging book describes the parts of the calculator, what the math symbols on the buttons mean, and how to do simple equations. Concepts explained include addition, subtraction, division, mulitplication and patterns.

Percentage

by Marsha Arvoy

Published 15 January 2010
Mr. Santiago's class is going to the zoo. Children can follow along on the class trip and learn how percentages, ratios, and fractions work using real-life examples.

Rounding

by Marsha Arvoy

Published 1 August 2010
When a quick guess is needed to count something, rounding can make math faster and fun! Read about two friends who are helping at a school fair. They learn that measuring, adding, and subtracting is easier if the numbers are rounded to whole numbers first. The children figure out ways to use rounding to estimate the amount of money raised at the fair, too!

Area

by Marsha Arvoy

Published 1 August 2010
What is area? It is a measure of space or of a place! The kids in Mrs. Jackson’s class are learning all about area, and you can, too. See why area is important, what it is used for, and how to measure area in meaningful ways. Soon you will be measuring area in your own everyday experiences.