Mastering Decimals: Arithmetic Operations and Percentages — PickAClass
⏱ 2h 48m 📚 28 lessons 🎧 Audio version

Mastering Decimals: Arithmetic Operations and Percentages

Learn the fundamental rules for adding, subtracting, multiplying, and dividing decimals so you can confidently handle calculations involving money, measurements, and percentages.

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About this course

Do you struggle with financial calculations, measurements, or interpreting data presented with decimal points? Achieving accuracy in everyday math is crucial, and mastering decimals is the first step. This course provides a clear, step-by-step foundation in decimal arithmetic. By the end, you will understand the structure of decimal numbers, perform all four basic operations flawlessly, confidently handle percentages, and solve practical word problems. What you'll learn: * Understand the place value system for decimal numbers and how to read and write them accurately. * Practice addition and subtraction of decimals, ensuring correct alignment and precision in your results. * Master multiplication and division techniques for decimals, including handling powers of ten efficiently. * Apply rounding rules correctly for various scenarios, such as financial statements and scientific measurements. * Calculate percentages and convert between decimals, fractions, and percentages for real-world application. * Solve practical word problems that require combining multiple decimal operations and percentage calculations. The course begins with foundational definitions and place value concepts before moving into structured, step-by-step written explanations of arithmetic operations. Each section includes exercises designed to reinforce understanding and build calculation speed. This course is designed for absolute beginners or anyone needing a refresher in fundamental mathematics. No prior mathematical knowledge beyond basic whole-number arithmetic is required. Start building your mathematical confidence today.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
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  • 🎧 Audio version included
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  • ♾️ Lifetime access
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • Short & focused
    2h 48m 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
This certifies that
Name Surname
has successfully demonstrated mastery of
Mastering Decimals: Arithmetic Operations and Percentages
Skills demonstrated
Behavioral pattern analysis
Foundational
1.2 hrs
Decision-architecture frameworks
Proficient
1.4 hrs
A/B test design
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1.7 hrs
Behavioral copywriting
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1.9 hrs
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Mastering Decimals: Arithmetic Operations and Percentages
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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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