Ages 2-8; Google Play Store & iOS FREE From the educators at Khan Academy comes this app geared ... Age-appropriate games are easy to find as they are sorted by grade level. Plus, there are a few ...

If you’re looking for free ... for future math skills, a great way to strengthen their knowledge is by teaching the basic ...

The Calvin University Math Circle is an opportunity for 6th–8th grade students (typically 11–13 years old) to engage with exciting problems and topics in mathematics. Meetings are led by a professor ...

Cylindrical and spherical coordinates, double and triple integrals, line and surface integrals. Change of variables in multiple integrals; gradient, divergence, and ...

First Steps for Math Olympians considers the basic ideas behind the solutions to the majority of ... Note you can select to save to either the @free.kindle.com or @kindle.com variations. ‘@free.kindle ...

This square is divided into 36 smaller squares. There are 91 squares in total. Because the big square has a side length of 6, there are six different square sizes ...

We’d love to hear from you! E-mail us at games@sciam.com to share your experience. This puzzle originally appeared in Spektrum der Wissenschaft and was reproduced with permission. Hans-Karl Eder ...

If you have access to the internet at home, here is a list of fun, free educational websites for kids as well as phone and tablet apps to help keep kids learning at home. Most study websites include ...

Walk-ins provide a chance for you to get some quick help with your math classes! Just walk into Fisher 234 any time during our Walk-ins hours and there will be two coaches available to help you.

The best youth smartwatches include geofencing, educational games, long battery life, and a comfortable design for all-day ...

In a September 16 story for Pride of Detroit, NFL expert and analyst Jeremy Reisman gives the Lions’ coaching staff the dismal grade of “F ... “The offensive game plan also didn’t ...

GRADE是 “Grading of Recommendations Assessment, Development Evaluation”（推荐分级的评估、制定与评价）的缩写。关于医疗保健的证据和推荐的决策是复杂的。在提出使用特定治疗方案的推荐时，在治疗效果、患者的预后、实施成本等方面存在许多权衡。 对医疗保健效果的 ...