Free course

Number Sense Reboot

Rebuild arithmetic from place value to lightning mental math — the foundation every Indian exam silently assumes.

BeginnerMathematicsCertificate
5 modules 26 lessons 11 enrolled ~10h of material
Number Sense Reboot

By the end

What you'll build

  • Read, compare and round numbers up to crores using the Indian place-value system
  • Add, subtract, multiply and divide multi-digit numbers accurately, with carrying, borrowing and inverse-operation checks
  • Recall tables up to 19 from patterns, apply divisibility rules, and find factors, HCF and LCM of small numbers
  • Estimate any answer in seconds and use mental/Vedic shortcuts such as ×11, ×25, complements and squares ending in 5
  • Work confidently with fractions, decimals and percentages in everyday money situations

The shape of it

How this course works

Short lessons

26 lessons across 5 modules, each small enough to finish in one sitting.

Practice as you go

Every lesson ends with a small space for what you noticed — the doing is the learning.

A certificate at the end

Finish the course and earn a certificate anyone can verify with a link.

Ready when you are.

Make an account and this course opens up — your progress is saved from the very first lesson.