Last year, my seventh-grade class created at-scale drawings of cost-efficient cabins for an outdoor education camp. Using three-dimensional figures and proportional reasoning, my students designed and ...

Please note: This item is from our archives and was published in 2017. It is provided for historical reference. The content may be out of date and links may no longer ...

Mathematics for CBSE Class 9 introduces many foundational concepts that serve as building blocks for higher classes. Topics such as algebraic identities, the surface areas and volumes of 3D shapes, ...

Excel’s formula bar has limitations that make writing, debugging, and managing complex formulas challenging. A new tool, the Advanced Formula Environment (AFE), developed by Microsoft for Excel 2019 ...

In this guide, you will learn how to use Excel’s advanced formulas such as INDEX-MATCH, OFFSET, and INDIRECT to enhance your data analysis capabilities. First, let’s explore the INDEX-MATCH ...

Research shows smart study beats long study for math formulas. Retrieval practice and spaced repetition are key. Quizzing helps more than re-reading. Spacing out reviews improves retention. Mixing ...