Mathitat
Serious maths,
gently done.

Unitary method

Practise this

Find the value of one part first, then scale up.

In Español · sample
Método de reducción a la unidadHallar primero el valor de una parte y luego multiplicar para escalar.

If ___ ___ cost ___, then 1 ___ costs ___, so ___ ___ cost ___.

If 5 pens cost £2.00, then 1 pen costs 40p, so 7 pens cost £2.80.