Understanding Rational Numbers: Middle School Math Basics — PickAClass
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⏱ 3h 📚 30 lessons 🎧 Audio version

Understanding Rational Numbers: Middle School Math Basics

Build a strong mathematical foundation by mastering positive and negative fractions, decimals, and core arithmetic rules through structured written lessons.

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  • 🌐 In English
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About this course

Rational numbers form the cornerstone of middle school mathematics and pave the way for successful algebraic thinking. Understanding how positive and negative fractions and decimals interact is essential for solving quantitative problems with confidence. In this course, you will build a solid understanding of rational numbers through comprehensive reading and practical written exercises. What you'll learn: Learn key definitions including integers, fractions, decimals, and absolute value. Understand how to plot and compare positive and negative numbers on a coordinate line. Master addition, subtraction, multiplication, and division with signed fractions and decimals. Apply mathematical properties to simplify arithmetic expressions. Solve basic linear equations and real-world word problems step by step. Practice quantitative reasoning skills used in everyday problem solving. The course starts with fundamental concepts and terminology before progressing through basic operations, algebraic expressions, and practical applications. Designed for beginners and middle school students, this course requires no prior advanced knowledge. Start reading today to master rational numbers and boost your mathematical confidence.

Course contents

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
    Works anywhere, any device
  • 💸 14-day refund
    No questions asked
  • ⚡ Short & focused
    3h of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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Certificate of Mastery
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has successfully demonstrated mastery of
Understanding Rational Numbers: Middle School Math Basics
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A/B test design
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Understanding Rational Numbers: Middle School Math Basics
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Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
Verify this credential
pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

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Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe. We don’t store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 14 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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