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19 articles tagged "Number"
The Secret Lives of Fractions, Decimals and Percentages
Dive into the surprising story of how ancient Egyptians and a 16th-century mathematician shaped the numbers we use today—and discover real-world hacks for swapping between fractions, decimals and percentages.
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When .999… Equals 1: Surprising Stories of Fractions, Decimals & Percentages
Dive into the hidden links between fractions, decimals and percentages—from ancient Egyptian unit fractions to why 0.999… really does equal 1—and see how they’re everywhere in your life.
Why Negative Numbers Were Once Taboo
Dive into the surprising story of how negative numbers were rejected for centuries, how they finally won respect, and why mastering them still matters in everyday life.
When Numbers Went Negative: Mastering Integer Computations
Dive into the surprising story behind negative numbers and discover why mastering computations with integers is more than just adding and subtracting.
When 2/3 Was All You Had: A Surprising History of Fractions, Decimals & Percentages
Trace the quirky evolution of fractions, decimals, and percentages—from Ancient Egyptian unit fractions to modern discount dramas—and clear up the mix-ups that trip up students.
The Musical Math of Ratios and Rates
Discover how simple comparisons like ratios underpinned ancient Greek music and why rates such as BPM and map scales pop up in everyday life.
Fractions, Decimals & Percentages: One Number, Three Faces
Fractions, decimals and percentages might look different, but they’re really the same value wearing different costumes. Dive into their surprising origins, everyday uses and top tips for converting like a pro.
From Earth's Meridian to Laser Beams: The Metre's Evolution
Follow the metre's journey from a chunk of platinum in 18th-century France to its modern definition via the speed of light, and see why it matters for GPS, smartphones and beyond.
The Secret Bond Between Fractions, Decimals and Percentages
Fractions, decimals and percentages may seem like three different beasts, but they’re really just different outfits on the same mathematical creature. Discover their shared history, real-world roles and a common trap to watch out for.
The Secret Code: How Equations Power Modern Cryptography
Discover how simple-looking equations are the backbone of modern encryption, from ancient algebraic puzzles to the RSA algorithms that keep our online world secure.
Negative Indices: How Flipping Exponents Changed Algebra Forever
Dive into the surprising story of negative indices—once controversial, now essential—and discover how these “flipped” exponents power everything from SI units to pH scales.