Glossary

A pie cut into eight parts

What Is a Diameter & How to Measure It? A Beginner’s Guide

Oct 23, 2026 |  Tanika T. Evans

From clear definitions and real-life examples to FAQs and a quick quiz, explore everything you need to know about diameter in this guide.

What Is the Constant of Proportionality? Definition, Examples, and How to Find It

Sep 18, 2026 |  A+

Discover what the constant of proportionality means, how to find it across tables and graphs, and answers to common student questions.

Animated fractions on a number line.

What Is a Fraction on a Number Line? A Complete Overview​

Jul 9, 2026 |  A+

Your complete guide to fractions on a number line, with step-by-step instructions, practice exercises, and answers to the most common questions on the topic.

A square root symbol surrounded by square root problem solutions.

How to Simplify Square Roots — Explained for Middle School

Jul 9, 2026 |  A+

Our tutors break down why and how to simplify square roots, with step-by-step examples, practice problems, and answers to the questions students ask most.

Number bonds of 12 are 3 and 4.

What Are Number Bonds in Math? A Complete Overview

Feb 4, 2026 |  A+

Mathnasium instructors break down number bonds and how they support operations, using clear examples, visuals, a quick quiz, and student-friendly FAQs.

Arithmetic sequence with with +4 as a common difference.

What Are Arithmetic Sequences in Math? A Complete Overview

Feb 4, 2026 |  A+

From clear definitions to practice problems and FAQs, find everything you need to know about arithmetic sequences in Mathnasium’s student-friendly guide.

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