Mental maths for middle school

Calculate faster and more accurately with short methods, then practise in NeoProf Calcul.

What you will be able to do

Add and multiply in your head

Compute percentages

Estimate a result

Practise daily in NeoProf Calcul

Syllabus

Clever additions and subtractions

Times tables, ×10, ×100

Simple fractions

Percentages in your head

Proportionality

Negative numbers

Order of operations and distributivity

Estimate and orders of magnitude

Frequently asked questions

Is it really free? Yes, with no account or email.

Is my progress saved? In your browser only; it is not sent to a server.

Do I need to install anything? No.

Can I practise outside the lessons? Yes, with the NeoProf tools linked in each lesson.

How do I know I understood? Every lesson ends with a quiz that explains mistakes.