mathematics

It's Christmas Eve in Ravensburg, and the town is bursting with anticipation for its oldest Christmas tradition. The annual opening of Douglas and Son's Toy Store, home of the greatest toys in the world, is finally here. But this is no ordinary Christmas Eve, and the surprise that awaits them is beyond any of their wildest imaginations: a surprise that threatens to ruin Christmas! Stanley, Charlotte, Gertie and Felix call in a little backup, but will the team's detective skills and math smarts be enough to unravel the mystery?Find out in this funny, heart-warming third adventure in The Math Inspectors series, perfect for math lovers, math haters, and all kids ages 9-12.

Mathematics Applications and Interpretation for the IB Diploma Standard Level provides comprehensive coverage of the new curriculum, developed for first examinations in 2021.

Young readers will learn how to count.

Introduces young readers to different patterns.

Introduces graphs by sorting and counting objects and comparing them with bar and line graphs.

Introduces fractions by dividing foods into equal parts, measuring ingredients, using words and pictures, and writing in numerals.

Hardly anyone likes paying taxes, but they are necessary. They support your federal, state, and local governments. Learn where tax money goes, the differences between sales and income taxes, and how to make your taxes work for you in Understanding Taxes.

Readers will learn about math including statistics, probability, algebra, and more.

Real-world examples and engaging activities guide readers in learning about measuring weight. Readers practice selecting appropriate measuring tools and units of measurement, converting between units, and solving problems by measuring.

Sharing what we have helps others live healthier and happier lives. There are so many ways to give. Learn how to choose the right charity, how much to give, and how to give of your time in Giving Back.