About Shelby Joe

Shelby Joe 周 is the Founder of Piqosity. He has more than 20 years of experience in education as an entrepreneur, professor, and tutor. Shelby earned his BA in Political Science from Rice University. Born and raised in Mississippi, he now resides in Houston but has also lived in Beijing, Shanghai, and Hamburg.

ISEE Math Review – Estimation

For the ISEE and other standardized tests with math sections, estimation is your friend. Estimation will reduce the amount of time you spend making calculations, which allows more time to complete difficult questions. Estimation is rounding a number up or down to make it easier to calculate, but the estimated number must be as [...]

By |2022-07-22T10:20:26-05:00July 22nd, 2022|ISEE: Upper Level Math Review|

ISEE Math Review – Geometric Notation

Geometry is the branch of mathematics that encompasses the properties and relationships of shapes, such as points, angles, and solid figures. Like every other branch of mathematics, Geometry comes with its own set of notations. Types of Angles  An angle is formed when two rays share the same endpoint, which is called the vertex [...]

By |2022-07-22T10:00:35-05:00July 22nd, 2022|ISEE: Upper Level Math Review|

ISEE Math Review – Triangle Types and Rules

Triangles are those handy‐dandy three‐sided polygons with which mathematicians have done so much work, particularly the right triangle. The most important thing to remember about all triangles is that the sum of their interior angles is 180°. Again, the sum of the interior angles of any triangle is 180°. Once more, the sum of [...]

By |2022-07-22T09:30:31-05:00July 22nd, 2022|ISEE: Upper Level Math Review|

Quick Start Guide to Improving Reading and Writing Skills

Piqosity's new English Language Arts (ELA) courses will help students improve their reading and writing skills and can be used for after-school enrichment and remediation or as a complete school curriculum substitute. This guide will show parents or educators how to get started with Piqosity's wealth of curriculum-aligned content. Compared to traditional strip-mall learning [...]

By |2022-02-23T08:22:22-06:00January 27th, 2022|English, ZPQA ELA 6, ZPQA ELA11, ZPQA ELA5, ZPQA ELA8|

Announcing Peer-Normed, Dynamic Question Difficulty

Over the past week, our team has been furiously implementing a major upgrade to Piqosity's back-end statistics. All practice questions—from standardized tests like the ISEE and ACT to our core academic courses in English and math—are now peer normed for difficulty. Previously a question's author manually selected a difficulty of easy, medium, or hard. [...]

By |2022-07-26T16:47:17-05:00January 5th, 2022|ACT Test Prep, English, ISEE Test Prep, Math, SAT Test Prep|

Math Enrichment with Piqosity’s New Algebra II Course

We’re excited to announce the launch of our new math enrichment courses for 11th grade math (Algebra II). This course is one of our latest additions to a series designed for the enrichment and remediation of core academics. Our previous mathematics enrichment courses include offerings for 5th grade (Math 5) and 8th grade math [...]

By |2022-12-06T14:04:34-06:00December 30th, 2021|Math, Piqosity News|

English Enrichment with Piqosity’s New ELA 11 Course

We’re excited to announce the launch of our new English enrichment course for 11th grade English Language Arts (ELA 11). This course is our latest addition to a series designed for the enrichment and remediation of core academics. Our previous English enrichment courses include offerings for 5th grade (ELA 5) and 8th grade English [...]

By |2022-02-22T13:19:56-06:00December 30th, 2021|English, Piqosity News|
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